mirror of
https://github.com/HighCapable/YukiHookAPI.git
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823 lines
239 KiB
JavaScript
823 lines
239 KiB
JavaScript
import{_ as c,r as e,o as t,c as r,b as s,d as n,e as a,a as o}from"./app-BpUB8-Q8.js";const i={},d=s("h1",{id:"字节码与反射扩展-已迁移",tabindex:"-1"},[s("a",{class:"header-anchor",href:"#字节码与反射扩展-已迁移","aria-hidden":"true"},"#"),n(" 字节码与反射扩展 (已迁移)")],-1),A=s("blockquote",null,[s("p",null,[s("code",null,"YukiHookAPI"),n(" 为开发者封装了一套接近零反射写法的反射 API,它几乎可以完全取代原生 Java 的反射 API 相关用法。")])],-1),y={href:"https://github.com/HighCapable/YukiReflection",target:"_blank",rel:"noopener noreferrer"},D=o("<p><s>现在 <code>YukiReflection</code> 作为核心依赖集成于 <code>YukiHookAPI</code>。</s></p><p><s><code>YukiHookAPI</code> 在 <code>YukiReflection</code> 的基础上加入了针对 Hook 功能的相关扩展,使用 <code>YukiHookAPI</code> 无需引入此依赖。</s></p>",2),B={class:"custom-container warning"},C=s("p",{class:"custom-container-title"},"注意",-1),u=s("code",null,"1.3.0",-1),v=s("code",null,"YukiHookAPI",-1),m={href:"https://github.com/HighCapable/KavaRef",target:"_blank",rel:"noopener noreferrer"},b=s("code",null,"YukiHookAPI",-1),F=s("p",null,[s("code",null,"YukiReflection"),n(" 项目由于很多未能解决的黑盒问题已被弃用,我们不再推荐任何人使用它。")],-1),k=s("code",null,"YukiHookAPI",-1),h={href:"https://highcapable.github.io/KavaRef/zh-cn/config/migration",target:"_blank",rel:"noopener noreferrer"},g=s("code",null,"KavaRef",-1),q={style:{opacity:"0.35"}},T=o(`<h2 id="class-扩展" tabindex="-1"><a class="header-anchor" href="#class-扩展" aria-hidden="true">#</a> Class 扩展</h2><blockquote><p>这里是 <strong>Class</strong> 对象自身相关的扩展功能。</p></blockquote><h3 id="对象转换" tabindex="-1"><a class="header-anchor" href="#对象转换" aria-hidden="true">#</a> 对象转换</h3><p>假设我们要得到一个不能直接调用的 <code>Class</code>,通常情况下,我们可以使用标准的反射 API 去查找这个 <code>Class</code>。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 默认 ClassLoader 环境下的 Class</span></span>
|
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<span class="line"><span style="color:#F47067;">var</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> Class.</span><span style="color:#DCBDFB;">forName</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"com.demo.Test"</span><span style="color:#ADBAC7;">)</span></span>
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||
<span class="line"><span style="color:#768390;">// 指定 ClassLoader 环境下的 Class</span></span>
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<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> customClassLoader: </span><span style="color:#F69D50;">ClassLoader</span><span style="color:#ADBAC7;">? </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">..</span><span style="color:#ADBAC7;">. </span><span style="color:#768390;">// 假设这个就是你的 ClassLoader</span></span>
|
||
<span class="line"><span style="color:#F47067;">var</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> customClassLoader?.</span><span style="color:#DCBDFB;">loadClass</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"com.demo.Test"</span><span style="color:#ADBAC7;">)</span></span>
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<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>这种写法大概不是很友好,此时 <code>YukiHookAPI</code> 就为你提供了一个可在任意地方使用的语法糖。</p><p>以上写法换做 <code>YukiHookAPI</code> 可写作如下形式。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 直接得到这个 Class</span></span>
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<span class="line"><span style="color:#768390;">// 如果当前正处于 PackageParam 环境,那么你可以不需要考虑 ClassLoader</span></span>
|
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<span class="line"><span style="color:#F47067;">var</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"com.demo.Test"</span><span style="color:#ADBAC7;">.</span><span style="color:#DCBDFB;">toClass</span><span style="color:#ADBAC7;">()</span></span>
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<span class="line"><span style="color:#768390;">// 自定义 Class 所在的 ClassLoader</span></span>
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<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> customClassLoader: </span><span style="color:#F69D50;">ClassLoader</span><span style="color:#ADBAC7;">? </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">..</span><span style="color:#ADBAC7;">. </span><span style="color:#768390;">// 假设这个就是你的 ClassLoader</span></span>
|
||
<span class="line"><span style="color:#F47067;">var</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"com.demo.Test"</span><span style="color:#ADBAC7;">.</span><span style="color:#DCBDFB;">toClass</span><span style="color:#ADBAC7;">(customClassLoader)</span></span>
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<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>如果当前 <code>Class</code> 并不存在,使用上述方法会抛出异常,如果你不确定 <code>Class</code> 是否存在,可以参考下面的解决方案。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 直接得到这个 Class</span></span>
|
||
<span class="line"><span style="color:#768390;">// 如果当前正处于 PackageParam 环境,那么你可以不需要考虑 ClassLoader</span></span>
|
||
<span class="line"><span style="color:#768390;">// 得不到时结果会为 null 但不会抛出异常</span></span>
|
||
<span class="line"><span style="color:#F47067;">var</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"com.demo.Test"</span><span style="color:#ADBAC7;">.</span><span style="color:#DCBDFB;">toClassOrNull</span><span style="color:#ADBAC7;">()</span></span>
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||
<span class="line"><span style="color:#768390;">// 自定义 Class 所在的 ClassLoader</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> customClassLoader: </span><span style="color:#F69D50;">ClassLoader</span><span style="color:#ADBAC7;">? </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">..</span><span style="color:#ADBAC7;">. </span><span style="color:#768390;">// 假设这个就是你的 ClassLoader</span></span>
|
||
<span class="line"><span style="color:#768390;">// 得不到时结果会为 null 但不会抛出异常</span></span>
|
||
<span class="line"><span style="color:#F47067;">var</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"com.demo.Test"</span><span style="color:#ADBAC7;">.</span><span style="color:#DCBDFB;">toClassOrNull</span><span style="color:#ADBAC7;">(customClassLoader)</span></span>
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<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>我们还可以通过映射来得到一个存在的 <code>Class</code> 对象。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这个 Class 是能够被直接得到的</span></span>
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<span class="line"><span style="color:#F47067;">var</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">classOf</span><span style="color:#ADBAC7;"><</span><span style="color:#F69D50;">Test</span><span style="color:#ADBAC7;">>()</span></span>
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<span class="line"><span style="color:#768390;">// 我们同样可以自定义 Class 所在的 ClassLoader,这对于 stub 来说非常有效</span></span>
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<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> customClassLoader: </span><span style="color:#F69D50;">ClassLoader</span><span style="color:#ADBAC7;">? </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">..</span><span style="color:#ADBAC7;">. </span><span style="color:#768390;">// 假设这个就是你的 ClassLoader</span></span>
|
||
<span class="line"><span style="color:#F47067;">var</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">classOf</span><span style="color:#ADBAC7;"><</span><span style="color:#F69D50;">Test</span><span style="color:#ADBAC7;">>(customClassLoader)</span></span>
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<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="custom-container tip"><p class="custom-container-title">小提示</p><p>更多功能请参考 <a href="../public/com/highcapable/yukihookapi/hook/factory/ReflectionFactory#classof-method">classOf</a>、<a href="../public/com/highcapable/yukihookapi/hook/factory/ReflectionFactory#string-toclass-ext-method">String.toClass</a>、<a href="../public/com/highcapable/yukihookapi/hook/factory/ReflectionFactory#string-toclassornull-ext-method">String.toClassOrNull</a>、<a href="../public/com/highcapable/yukihookapi/hook/param/PackageParam#string-variousclass-toclass-i-ext-method">PackageParam → String+VariousClass.toClass</a>、<a href="../public/com/highcapable/yukihookapi/hook/param/PackageParam#string-variousclass-toclassornull-i-ext-method">PackageParam → String+VariousClass.toClassOrNull</a> 方法。</p></div><h3 id="延迟装载" tabindex="-1"><a class="header-anchor" href="#延迟装载" aria-hidden="true">#</a> 延迟装载</h3><p>假设我们要得到一个不能直接调用的 <code>Class</code>,但是我们也不是立刻就需要这个 <code>Class</code>。</p><p>这个时候,你可以使用 <code>lazyClass</code> 来完成这个功能。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 延迟装载这个 Class</span></span>
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||
<span class="line"><span style="color:#768390;">// 如果当前正处于 PackageParam 环境,那么你可以不需要考虑 ClassLoader</span></span>
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<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">by</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">lazyClass</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"com.demo.Test"</span><span style="color:#ADBAC7;">)</span></span>
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||
<span class="line"><span style="color:#768390;">// 自定义 Class 所在的 ClassLoader</span></span>
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||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> customClassLoader: </span><span style="color:#F69D50;">ClassLoader</span><span style="color:#ADBAC7;">? </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">..</span><span style="color:#ADBAC7;">. </span><span style="color:#768390;">// 假设这个就是你的 ClassLoader</span></span>
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||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">by</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">lazyClass</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"com.demo.Test"</span><span style="color:#ADBAC7;">) { customClassLoader }</span></span>
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||
<span class="line"><span style="color:#768390;">// 在适当的时候调用这个 Class</span></span>
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<span class="line"><span style="color:#ADBAC7;">instance.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> { </span></span>
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<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ... </span></span>
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<span class="line"><span style="color:#ADBAC7;">}</span></span>
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<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>如果当前 <code>Class</code> 并不存在,使用上述方法会抛出异常,如果你不确定 <code>Class</code> 是否存在,可以参考下面的解决方案。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 延迟装载这个 Class</span></span>
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||
<span class="line"><span style="color:#768390;">// 如果当前正处于 PackageParam 环境,那么你可以不需要考虑 ClassLoader</span></span>
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||
<span class="line"><span style="color:#768390;">// 得不到时结果会为 null 但不会抛出异常</span></span>
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<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">by</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">lazyClassOrNull</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"com.demo.Test"</span><span style="color:#ADBAC7;">)</span></span>
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||
<span class="line"><span style="color:#768390;">// 自定义 Class 所在的 ClassLoader</span></span>
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||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> customClassLoader: </span><span style="color:#F69D50;">ClassLoader</span><span style="color:#ADBAC7;">? </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">..</span><span style="color:#ADBAC7;">. </span><span style="color:#768390;">// 假设这个就是你的 ClassLoader</span></span>
|
||
<span class="line"><span style="color:#768390;">// 得不到时结果会为 null 但不会抛出异常</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">by</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">lazyClassOrNull</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"com.demo.Test"</span><span style="color:#ADBAC7;">) { customClassLoader }</span></span>
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||
<span class="line"><span style="color:#768390;">// 在适当的时候调用这个 Class</span></span>
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<span class="line"><span style="color:#ADBAC7;">instance?.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> { </span></span>
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<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ... </span></span>
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<span class="line"><span style="color:#ADBAC7;">}</span></span>
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<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="custom-container tip"><p class="custom-container-title">小提示</p><p>更多功能请参考 <a href="../public/com/highcapable/yukihookapi/hook/factory/ReflectionFactory#lazyclass-method">lazyClass</a>、<a href="../public/com/highcapable/yukihookapi/hook/factory/ReflectionFactory#lazyclassornull-method">lazyClassOrNull</a>、<a href="../public/com/highcapable/yukihookapi/hook/param/PackageParam#lazyclass-method">PackageParam → lazyClass</a>、<a href="../public/com/highcapable/yukihookapi/hook/param/PackageParam#lazyclassornull-method">PackageParam → lazyClassOrNull</a> 方法。</p></div><h3 id="存在判断" tabindex="-1"><a class="header-anchor" href="#存在判断" aria-hidden="true">#</a> 存在判断</h3><p>假设我们要判断一个 <code>Class</code> 是否存在,通常情况下,我们可以使用标准的反射 API 去查找这个 <code>Class</code> 通过异常来判断是否存在。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 默认 ClassLoader 环境下的 Class</span></span>
|
||
<span class="line"><span style="color:#F47067;">var</span><span style="color:#ADBAC7;"> isExist </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">try</span><span style="color:#ADBAC7;"> {</span></span>
|
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<span class="line"><span style="color:#ADBAC7;"> Class.</span><span style="color:#DCBDFB;">forName</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"com.demo.Test"</span><span style="color:#ADBAC7;">)</span></span>
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<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">true</span></span>
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||
<span class="line"><span style="color:#ADBAC7;">} </span><span style="color:#F47067;">catch</span><span style="color:#ADBAC7;"> (_: </span><span style="color:#F69D50;">Throwable</span><span style="color:#ADBAC7;">) {</span></span>
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||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">false</span></span>
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||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
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||
<span class="line"><span style="color:#768390;">// 指定 ClassLoader 环境下的 Class</span></span>
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||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> customClassLoader: </span><span style="color:#F69D50;">ClassLoader</span><span style="color:#ADBAC7;">? </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">..</span><span style="color:#ADBAC7;">. </span><span style="color:#768390;">// 假设这个就是你的 ClassLoader</span></span>
|
||
<span class="line"><span style="color:#F47067;">var</span><span style="color:#ADBAC7;"> isExist </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">try</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> customClassLoader?.</span><span style="color:#DCBDFB;">loadClass</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"com.demo.Test"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">true</span></span>
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||
<span class="line"><span style="color:#ADBAC7;">} </span><span style="color:#F47067;">catch</span><span style="color:#ADBAC7;"> (_: </span><span style="color:#F69D50;">Throwable</span><span style="color:#ADBAC7;">) {</span></span>
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||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">false</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>这种写法大概不是很友好,此时 <code>YukiHookAPI</code> 就为你提供了一个可在任意地方使用的语法糖。</p><p>以上写法换做 <code>YukiHookAPI</code> 可写作如下形式。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 判断这个 Class 是否存在</span></span>
|
||
<span class="line"><span style="color:#768390;">// 如果当前正处于 PackageParam 环境,那么你可以不需要考虑 ClassLoader</span></span>
|
||
<span class="line"><span style="color:#F47067;">var</span><span style="color:#ADBAC7;"> isExist </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"com.demo.Test"</span><span style="color:#ADBAC7;">.</span><span style="color:#DCBDFB;">hasClass</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 自定义 Class 所在的 ClassLoader</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> customClassLoader: </span><span style="color:#F69D50;">ClassLoader</span><span style="color:#ADBAC7;">? </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">..</span><span style="color:#ADBAC7;">. </span><span style="color:#768390;">// 假设这个就是你的 ClassLoader</span></span>
|
||
<span class="line"><span style="color:#F47067;">var</span><span style="color:#ADBAC7;"> isExist </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"com.demo.Test"</span><span style="color:#ADBAC7;">.</span><span style="color:#DCBDFB;">hasClass</span><span style="color:#ADBAC7;">(customClassLoader)</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="custom-container tip"><p class="custom-container-title">小提示</p><p>更多功能请参考 <a href="../public/com/highcapable/yukihookapi/hook/factory/ReflectionFactory#string-hasclass-ext-method">String.hasClass</a>、<a href="../public/com/highcapable/yukihookapi/hook/param/PackageParam#string-hasclass-i-ext-method">PackageParam → String.hasClass</a> 方法。</p></div>`,35),x={id:"模糊查找",tabindex:"-1"},f=s("a",{class:"header-anchor",href:"#模糊查找","aria-hidden":"true"},"#",-1),P=o('<p>在 R8 等工具混淆后的宿主 <strong>Dex</strong> 中的 <code>Class</code> 名称将会难以分辨,且不确定其正确位置,不能直接通过 <a href="#%E5%AF%B9%E8%B1%A1%E8%BD%AC%E6%8D%A2">对象转换</a> 来得到。</p><p>此时就有了 <code>DexClassFinder</code>,它的作用是通过需要查找的 <code>Class</code> 中的字节码特征来确定这个 <code>Class</code> 的实例。</p><div class="custom-container warning"><p class="custom-container-title">注意</p><p>目前 <strong>DexClassFinder</strong> 的功能尚在实验阶段,由于仅通过 Java 层实现查找功能,在宿主 <strong>Class</strong> 过多时性能可能不能达到最佳水平,如果发生查找不到、定位有误的问题欢迎向我们反馈。</p><p>由于是反射层面的 API,目前它只能通过<strong>类与成员</strong>的特征来定位指定的 <strong>Class</strong>,不能通过指定字节码中的字符串和方法内容特征来进行定位。</p><p>查找 <strong>Class</strong> 的速度取决于当前设备的性能,目前主流的移动端处理器在 <strong>10~15w</strong> 数量的 <strong>Class</strong> 中条件不算复杂的情况下大概在 <strong>3~10s</strong> 区间,条件稍微复杂的情况下最快速度能达到 <strong>25s</strong> 以内,匹配到的同类型 <strong>Class</strong> 越多速度越慢。</p></div>',3),S={class:"custom-container danger"},_=s("p",{class:"custom-container-title"},"特别注意",-1),j=s("strong",null,"YukiHookAPI",-1),I=s("strong",null,"2.0.0",-1),L={href:"https://github.com/HighCapable/YukiReflection",target:"_blank",rel:"noopener noreferrer"},H={href:"https://github.com/LuckyPray/DexKit",target:"_blank",rel:"noopener noreferrer"},R=s("strong",null,"Dex",-1),Y=o(`<h4 id="开始使用" tabindex="-1"><a class="header-anchor" href="#开始使用" aria-hidden="true">#</a> 开始使用</h4><p>下面是一个简单的用法示例。</p><p>假设下面这个 <code>Class</code> 是我们想要得到的,其中的名称经过了混淆,在每个版本可能都不一样。</p><blockquote><p>示例如下</p></blockquote><div class="language-java" data-ext="java"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#F47067;">package</span><span style="color:#ADBAC7;"> com.demo;</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">class</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">a</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">extends</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">Activity</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">implements</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">Serializable</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">a</span><span style="color:#ADBAC7;">(String </span><span style="color:#F69D50;">var1</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">private</span><span style="color:#ADBAC7;"> String</span><span style="color:#F69D50;"> </span><span style="color:#ADBAC7;">a;</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">private</span><span style="color:#ADBAC7;"> String</span><span style="color:#F69D50;"> </span><span style="color:#ADBAC7;">b;</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">private</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">boolean</span><span style="color:#F69D50;"> </span><span style="color:#ADBAC7;">a;</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">protected</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">void</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">onCreate</span><span style="color:#ADBAC7;">(Bundle </span><span style="color:#F69D50;">var1</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">private</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">static</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">void</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">a</span><span style="color:#ADBAC7;">(String </span><span style="color:#F69D50;">var1</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">private</span><span style="color:#ADBAC7;"> String </span><span style="color:#DCBDFB;">a</span><span style="color:#ADBAC7;">(</span><span style="color:#F47067;">boolean</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">var1</span><span style="color:#ADBAC7;">, String </span><span style="color:#F69D50;">var2</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">private</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">void</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">a</span><span style="color:#ADBAC7;">() {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">void</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">a</span><span style="color:#ADBAC7;">(</span><span style="color:#F47067;">boolean</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">var1</span><span style="color:#ADBAC7;">, </span><span style="color:#F69D50;">a</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">var2</span><span style="color:#ADBAC7;">, </span><span style="color:#F69D50;">b</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">var3</span><span style="color:#ADBAC7;">, String </span><span style="color:#F69D50;">var4</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre></div><p>此时,我们想得到这个 <code>Class</code>,可以直接使用 <code>ClassLoader.searchClass</code> 方法。</p><p>在 <code>PackageParam</code> 中,你可以直接使用 <code>searchClass</code> 方法,它将自动指定 <code>appClassLoader</code>。</p><p>下方演示的条件中每一个都是可选的,条件越复杂定位越精确,同时性能也会越差。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#DCBDFB;">searchClass</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 从指定的包名范围开始查找,实际使用时,你可以同时指定多个包名范围</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">from</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"com.demo"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 指定当前 Class 的 getSimpleName 的结果,你可以直接对这个字符串进行逻辑判断</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 这里我们不确定它的名称是不是 a,可以只判断字符串长度</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">simpleName</span><span style="color:#ADBAC7;"> { it.length </span><span style="color:#F47067;">==</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">1</span><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 指定继承的父类对象,如果是存在的 stub,可以直接用泛型表示</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">extends</span><span style="color:#ADBAC7;"><</span><span style="color:#F69D50;">Activity</span><span style="color:#ADBAC7;">>()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 指定继承的父类对象,可以直接写为完整类名,你还可以同时指定多个</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">extends</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"android.app.Activity"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 指定实现的接口,如果是存在的 stub,可以直接用泛型表示</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">implements</span><span style="color:#ADBAC7;"><</span><span style="color:#F69D50;">Serializable</span><span style="color:#ADBAC7;">>()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 指定实现的接口,可以直接写为完整类名,你还可以同时指定多个</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">implements</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"java.io.Serializable"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 指定构造方法的类型与样式,以及在当前类中存在的个数 count</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">constructor</span><span style="color:#ADBAC7;"> { </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass) }.</span><span style="color:#DCBDFB;">count</span><span style="color:#ADBAC7;">(num </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">1</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 指定变量的类型与样式,以及在当前类中存在的个数 count</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">field</span><span style="color:#ADBAC7;"> { type </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> StringClass }.</span><span style="color:#DCBDFB;">count</span><span style="color:#ADBAC7;">(num </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">2</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 指定变量的类型与样式,以及在当前类中存在的个数 count</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">field</span><span style="color:#ADBAC7;"> { type </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> BooleanType }.</span><span style="color:#DCBDFB;">count</span><span style="color:#ADBAC7;">(num </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">1</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 直接指定所有变量在当前类中存在的个数 count</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">field</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">count</span><span style="color:#ADBAC7;">(num </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">3</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 如果你认为变量的个数是不确定的,还可以使用如下自定义条件</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">field</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">count</span><span style="color:#ADBAC7;">(</span><span style="color:#6CB6FF;">1</span><span style="color:#F47067;">..</span><span style="color:#6CB6FF;">3</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">field</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">count</span><span style="color:#ADBAC7;"> { it </span><span style="color:#F47067;">>=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">3</span><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 指定方法的类型与样式,以及在当前类中存在的个数 count</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"onCreate"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(BundleClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">count</span><span style="color:#ADBAC7;">(num </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">1</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 指定方法的类型与样式,同时指定修饰符,以及在当前类中存在的个数 count</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">modifiers</span><span style="color:#ADBAC7;"> { isStatic </span><span style="color:#F47067;">&&</span><span style="color:#ADBAC7;"> isPrivate }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> returnType </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> UnitType</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">count</span><span style="color:#ADBAC7;">(num </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">1</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 指定方法的类型与样式,同时指定修饰符,以及在当前类中存在的个数 count</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">modifiers</span><span style="color:#ADBAC7;"> { isPrivate </span><span style="color:#F47067;">&&</span><span style="color:#ADBAC7;"> isStatic.</span><span style="color:#DCBDFB;">not</span><span style="color:#ADBAC7;">() }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(BooleanType, StringClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> returnType </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> StringClass</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">count</span><span style="color:#ADBAC7;">(num </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">1</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 指定方法的类型与样式,同时指定修饰符,以及在当前类中存在的个数 count</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">modifiers</span><span style="color:#ADBAC7;"> { isPrivate </span><span style="color:#F47067;">&&</span><span style="color:#ADBAC7;"> isStatic.</span><span style="color:#DCBDFB;">not</span><span style="color:#ADBAC7;">() }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> returnType </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> UnitType</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">count</span><span style="color:#ADBAC7;">(num </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">1</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 指定方法的类型与样式,同时指定修饰符和模糊类型 VagueType,以及在当前类中存在的个数 count</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">modifiers</span><span style="color:#ADBAC7;"> { isPrivate </span><span style="color:#F47067;">&&</span><span style="color:#ADBAC7;"> isStatic.</span><span style="color:#DCBDFB;">not</span><span style="color:#ADBAC7;">() }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(BooleanType, VagueType, VagueType, StringClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> returnType </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> UnitType</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">count</span><span style="color:#ADBAC7;">(num </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">1</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 直接指定所有方法在当前类中存在的个数 count</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">count</span><span style="color:#ADBAC7;">(num </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">5</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 如果你认为方法的个数是不确定的,还可以使用如下自定义条件</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">count</span><span style="color:#ADBAC7;">(</span><span style="color:#6CB6FF;">1</span><span style="color:#F47067;">..</span><span style="color:#6CB6FF;">5</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">count</span><span style="color:#ADBAC7;"> { it </span><span style="color:#F47067;">>=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">5</span><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 直接指定所有成员 (Member) 在当前类中存在的个数 count</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 成员包括:Field (变量)、Method (方法)、Constructor (构造方法)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">member</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">count</span><span style="color:#ADBAC7;">(num </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">9</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 所有成员中一定存在一个 static 修饰符,可以这样加入此条件</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">member</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">modifiers</span><span style="color:#ADBAC7;"> { isStatic }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">() </span><span style="color:#768390;">// 得到这个 Class 本身的实例,找不到会返回 null</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="custom-container tip"><p class="custom-container-title">小提示</p><p>上述用法中对于 <strong>Field</strong>、<strong>Method</strong>、<strong>Constructor</strong> 的条件用法与 <a href="#member-%E6%89%A9%E5%B1%95">Member 扩展</a> 中的相关用法是一致的,仅有小部分区别。</p><p>更多功能请参考 <a href="../public/com/highcapable/yukihookapi/hook/core/finder/classes/rules/MemberRules">MemberRules</a>、<a href="../public/com/highcapable/yukihookapi/hook/core/finder/classes/rules/FieldRules">FieldRules</a>、<a href="../public/com/highcapable/yukihookapi/hook/core/finder/classes/rules/MethodRules">MethodRules</a>、<a href="../public/com/highcapable/yukihookapi/hook/core/finder/classes/rules/ConstructorRules">ConstructorRules</a>。</p></div><h4 id="异步查找" tabindex="-1"><a class="header-anchor" href="#异步查找" aria-hidden="true">#</a> 异步查找</h4><p>默认情况下 <code>DexClassFinder</code> 会使用同步方式查找 <code>Class</code>,会阻塞当前线程直到找到或找不到发生异常为止,若查找消耗的时间过长,可能会导致宿主发生 <strong>ANR</strong> 问题。</p><p>针对上述问题,我们可以启用异步,只需要加入参数 <code>async = true</code>,这将不需要你再次启动一个线程,API 已帮你处理好相关问题。</p><div class="custom-container warning"><p class="custom-container-title">注意</p><p>对于异步情况下你需要使用 <strong>wait</strong> 方法来得到结果,<strong>get</strong> 方法将不再起作用。</p></div><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#DCBDFB;">searchClass</span><span style="color:#ADBAC7;">(async </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">true</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">wait</span><span style="color:#ADBAC7;"> { class1 </span><span style="color:#F47067;">-></span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 得到异步结果</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"><span style="color:#DCBDFB;">searchClass</span><span style="color:#ADBAC7;">(async </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">true</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">wait</span><span style="color:#ADBAC7;"> { class2 </span><span style="color:#F47067;">-></span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 得到异步结果</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>这样我们的查找过程就是异步运行了,它将不会阻塞主线程,每个查找都将在单独的线程同时进行,可达到并行任务的效果。</p><h4 id="本地缓存" tabindex="-1"><a class="header-anchor" href="#本地缓存" aria-hidden="true">#</a> 本地缓存</h4><p>由于每次重新打开宿主都会重新进行查找,在宿主版本不变的情况下这是一种重复性能浪费。</p><p>此时我们可以通过指定 <code>name</code> 参数来对当前宿主版本的查找结果进行本地缓存,下一次将直接从本地缓存中读取查找到的类名。</p><p>本地缓存使用的是 <code>SharedPreferences</code>,它将被保存到宿主的数据目录中,在宿主版本更新后会重新进行缓存。</p><p>启用本地缓存后,将同时设置 <code>async = true</code>,你可以不需要再手动进行设置。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#DCBDFB;">searchClass</span><span style="color:#ADBAC7;">(name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"com.demo.class1"</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">wait</span><span style="color:#ADBAC7;"> { class1 </span><span style="color:#F47067;">-></span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 得到异步结果</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"><span style="color:#DCBDFB;">searchClass</span><span style="color:#ADBAC7;">(name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"com.demo.class2"</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">wait</span><span style="color:#ADBAC7;"> { class2 </span><span style="color:#F47067;">-></span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 得到异步结果</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>如果你想手动清除本地缓存,可以使用如下方法清除当前版本的宿主缓存。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 直接调用,在宿主的 appContext 为空时可能会失败,失败会打印警告信息</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">DexClassFinder.</span><span style="color:#DCBDFB;">clearCache</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 监听宿主的生命周期后调用</span></span>
|
||
<span class="line"><span style="color:#DCBDFB;">onAppLifecycle</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">onCreate</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> DexClassFinder.</span><span style="color:#DCBDFB;">clearCache</span><span style="color:#ADBAC7;">(context </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">this</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>你还可以清除指定版本的宿主缓存。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 直接调用,在宿主的 appContext 为空时可能会失败,失败会打印警告信息</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">DexClassFinder.</span><span style="color:#DCBDFB;">clearCache</span><span style="color:#ADBAC7;">(versionName </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"1.0"</span><span style="color:#ADBAC7;">, versionCode </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">1</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#768390;">// 监听宿主的生命周期后调用</span></span>
|
||
<span class="line"><span style="color:#DCBDFB;">onAppLifecycle</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">onCreate</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> DexClassFinder.</span><span style="color:#DCBDFB;">clearCache</span><span style="color:#ADBAC7;">(context </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">this</span><span style="color:#ADBAC7;">, versionName </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"1.0"</span><span style="color:#ADBAC7;">, versionCode </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">1</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h4 id="多重查找" tabindex="-1"><a class="header-anchor" href="#多重查找" aria-hidden="true">#</a> 多重查找</h4><p>如果你需要使用固定的条件同时查找一组 <code>Class</code>,那么你只需要使用 <code>all</code> 或 <code>waitAll</code> 方法来得到结果。</p><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 同步查找,使用 all 得到条件全部查找到的结果</span></span>
|
||
<span class="line"><span style="color:#DCBDFB;">searchClass</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">all</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">forEach</span><span style="color:#ADBAC7;"> { clazz </span><span style="color:#F47067;">-></span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 得到每个结果</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"><span style="color:#768390;">// 同步查找,使用 all { ... } 遍历每个结果</span></span>
|
||
<span class="line"><span style="color:#DCBDFB;">searchClass</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">all</span><span style="color:#ADBAC7;"> { clazz </span><span style="color:#F47067;">-></span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 得到每个结果</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"><span style="color:#768390;">// 异步查找,使用 waitAll 得到条件全部查找到的结果</span></span>
|
||
<span class="line"><span style="color:#DCBDFB;">searchClass</span><span style="color:#ADBAC7;">(async </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">true</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">waitAll</span><span style="color:#ADBAC7;"> { classes </span><span style="color:#F47067;">-></span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> classes.</span><span style="color:#DCBDFB;">forEach</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 得到每个结果</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="custom-container tip"><p class="custom-container-title">小提示</p><p>更多功能请参考 <a href="../public/com/highcapable/yukihookapi/hook/factory/ReflectionFactory#classloader-searchclass-ext-method">ClassLoader.searchClass</a>、<a href="../public/com/highcapable/yukihookapi/hook/param/PackageParam#searchclass-method">PackageParam.searchClass</a> 方法。</p></div><h2 id="member-扩展" tabindex="-1"><a class="header-anchor" href="#member-扩展" aria-hidden="true">#</a> Member 扩展</h2><blockquote><p>这里是 <strong>Class</strong> 字节码成员变量 <strong>Field</strong>、<strong>Method</strong>、<strong>Constructor</strong> 相关的扩展功能。</p></blockquote><div class="custom-container tip"><p class="custom-container-title">小提示</p><p><strong>Member</strong> 是 <strong>Field</strong>、<strong>Method</strong>、<strong>Constructor</strong> 的接口描述对象,它在 Java 反射中为 <strong>Class</strong> 中字节码成员的总称。</p></div><p>假设有一个这样的 <code>Class</code>。</p><blockquote><p>示例如下</p></blockquote><div class="language-java" data-ext="java"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#F47067;">package</span><span style="color:#ADBAC7;"> com.demo;</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">class</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">BaseTest</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">BaseTest</span><span style="color:#ADBAC7;">() {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">BaseTest</span><span style="color:#ADBAC7;">(</span><span style="color:#F47067;">boolean</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">isInit</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">private</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">void</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">doBaseTask</span><span style="color:#ADBAC7;">(String </span><span style="color:#F69D50;">taskName</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre></div><div class="language-java" data-ext="java"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#F47067;">package</span><span style="color:#ADBAC7;"> com.demo;</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">class</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">Test</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">extends</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">BaseTest</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">() {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">(</span><span style="color:#F47067;">boolean</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">isInit</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">private</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">static</span><span style="color:#ADBAC7;"> TAG </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"Test"</span><span style="color:#ADBAC7;">;</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">private</span><span style="color:#ADBAC7;"> BaseTest</span><span style="color:#F69D50;"> </span><span style="color:#ADBAC7;">baseInstance;</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">private</span><span style="color:#ADBAC7;"> String</span><span style="color:#F69D50;"> </span><span style="color:#ADBAC7;">a;</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">private</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">boolean</span><span style="color:#F69D50;"> </span><span style="color:#ADBAC7;">a;</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">private</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">boolean</span><span style="color:#F69D50;"> </span><span style="color:#ADBAC7;">isTaskRunning</span><span style="color:#F69D50;"> </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">false</span><span style="color:#ADBAC7;">;</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">private</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">static</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">void</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">init</span><span style="color:#ADBAC7;">() {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">private</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">void</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">doTask</span><span style="color:#ADBAC7;">(String </span><span style="color:#F69D50;">taskName</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">private</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">void</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">release</span><span style="color:#ADBAC7;">(String </span><span style="color:#F69D50;">taskName</span><span style="color:#ADBAC7;">, Function<</span><span style="color:#F47067;">boolean</span><span style="color:#ADBAC7;">, </span><span style="color:#F47067;">String</span><span style="color:#ADBAC7;">> </span><span style="color:#F69D50;">task</span><span style="color:#ADBAC7;">, </span><span style="color:#F47067;">boolean</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">isFinish</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">private</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">void</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">stop</span><span style="color:#ADBAC7;">() {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">private</span><span style="color:#ADBAC7;"> String </span><span style="color:#DCBDFB;">getName</span><span style="color:#ADBAC7;">() {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">private</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">void</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">b</span><span style="color:#ADBAC7;">() {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">private</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">void</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">b</span><span style="color:#ADBAC7;">(String </span><span style="color:#F69D50;">a</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre></div><h3 id="查找与反射调用" tabindex="-1"><a class="header-anchor" href="#查找与反射调用" aria-hidden="true">#</a> 查找与反射调用</h3><p>假设我们要得到 <code>Test</code>(以下统称“当前 <code>Class</code>”)的 <code>doTask</code> 方法并执行,通常情况下,我们可以使用标准的反射 API 去查找这个方法。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用反射 API 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> .</span><span style="color:#DCBDFB;">getDeclaredMethod</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"doTask"</span><span style="color:#ADBAC7;">, String::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> .</span><span style="color:#DCBDFB;">apply</span><span style="color:#ADBAC7;"> { isAccessible </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">true</span><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> .</span><span style="color:#DCBDFB;">invoke</span><span style="color:#ADBAC7;">(instance, </span><span style="color:#96D0FF;">"task_name"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>这种写法大概不是很友好,此时 <code>YukiHookAPI</code> 就为你提供了一个可在任意地方使用的语法糖。</p><p>以上写法换做 <code>YukiHookAPI</code> 可写作如下形式。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(instance).</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"task_name"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="custom-container tip"><p class="custom-container-title">小提示</p><p>更多功能请参考 <a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/MethodFinder">MethodFinder</a>。</p></div><p>同样地,我们需要得到 <code>isTaskRunning</code> 变量也可以写作如下形式。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">field</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"isTaskRunning"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> type </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> BooleanType</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(instance).</span><span style="color:#DCBDFB;">any</span><span style="color:#ADBAC7;">() </span><span style="color:#768390;">// any 为 Field 的任意类型实例化对象</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="custom-container tip"><p class="custom-container-title">小提示</p><p>更多功能请参考 <a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/FieldFinder">FieldFinder</a>。</p></div><p>也许你还想得到当前 <code>Class</code> 的构造方法,同样可以实现。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">constructor</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(BooleanType)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#6CB6FF;">true</span><span style="color:#ADBAC7;">) </span><span style="color:#768390;">// 可创建一个新的实例</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>若想得到的是 <code>Class</code> 的无参构造方法,可写作如下形式。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">constructor</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">() </span><span style="color:#768390;">// 可创建一个新的实例</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><div class="custom-container tip"><p class="custom-container-title">小提示</p><p>更多功能请参考 <a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/ConstructorFinder">ConstructorFinder</a>。</p></div><h3 id="可选的查找条件" tabindex="-1"><a class="header-anchor" href="#可选的查找条件" aria-hidden="true">#</a> 可选的查找条件</h3><p>假设我们要得到 <code>Class</code> 中的 <code>getName</code> 方法,可以使用如下实现。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"getName"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> returnType </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> StringClass</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(instance).</span><span style="color:#DCBDFB;">string</span><span style="color:#ADBAC7;">() </span><span style="color:#768390;">// 得到方法的结果</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>通过观察发现,这个 <code>Class</code> 中只有一个名为 <code>getName</code> 的方法,那我们可不可以再简单一点呢?</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"getName"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(instance).</span><span style="color:#DCBDFB;">string</span><span style="color:#ADBAC7;">() </span><span style="color:#768390;">// 得到方法的结果</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>是的,对于确切不会变化的方法,你可以精简查找条件。</p><p>在只使用 <code>get</code> 或 <code>wait</code> 方法得到结果时 <code>YukiHookAPI</code> <strong>会默认按照字节码顺序匹配第一个查找到的结果</strong>。</p><p>问题又来了,这个 <code>Class</code> 中有一个 <code>release</code> 方法,但是它的方法参数很长,而且部分类型可能无法直接得到。</p><p>通常情况下我们会使用 <code>param(...)</code> 来查找这个方法,但是有没有更简单的方法呢。</p><p>此时,在确定方法唯一性后,你可以使用 <code>paramCount</code> 来查找到这个方法。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"release"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 此时我们不必确定方法参数具体类型,写个数就好</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> paramCount </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">3</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(instance) </span><span style="color:#768390;">// 得到这个方法</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>上述示例虽然能够匹配成功,但是不精确,此时你还可以使用 <code>VagueType</code> 来填充你不想填写的方法参数类型。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"release"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 使用 VagueType 来填充不想填写的类型,同时保证其它类型能够匹配</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass, VagueType, BooleanType)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(instance) </span><span style="color:#768390;">// 得到这个方法</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>如果你并不确定每一个参数的类型,你可以通过 <code>param { ... }</code> 方法来创建一个条件方法体。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"release"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 得到 it (Class) 方法参数类型数组实例来仅判断已知的类型和它的位置</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;"> { it[</span><span style="color:#6CB6FF;">0</span><span style="color:#ADBAC7;">] </span><span style="color:#F47067;">==</span><span style="color:#ADBAC7;"> StringClass </span><span style="color:#F47067;">&&</span><span style="color:#ADBAC7;"> it[</span><span style="color:#6CB6FF;">2</span><span style="color:#ADBAC7;">] </span><span style="color:#F47067;">==</span><span style="color:#ADBAC7;"> BooleanType }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(instance) </span><span style="color:#768390;">// 得到这个方法</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="custom-container tip"><p class="custom-container-title">小提示</p><p>使用 <strong>param { ... }</strong> 创建一个条件方法体,其中的变量 <strong>it</strong> 即当前方法参数的 <strong>Class</strong> 类型数组实例,此时你就可以自由使用 <strong>Class</strong> 中的所有对象及其方法。</p><p>方法体末尾条件需要返回一个 <strong>Boolean</strong>,即最终的条件判断结果。</p><p>更多功能请参考 <a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/FieldFinder#type-method-1">FieldFinder.type</a>、<a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/MethodFinder#param-method-1">MethodFinder.param</a>、<a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/MethodFinder#returntype-method-1">MethodFinder.returnType</a>、<a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/ConstructorFinder#param-method-1">ConstructorFinder.param</a> 方法。</p></div><h3 id="在父类查找" tabindex="-1"><a class="header-anchor" href="#在父类查找" aria-hidden="true">#</a> 在父类查找</h3><p>你会注意到 <code>Test</code> 继承于 <code>BaseTest</code>,现在我们想得到 <code>BaseTest</code> 的 <code>doBaseTask</code> 方法,在不知道父类名称的情况下,要怎么做呢?</p><p>参照上面的查找条件,我们只需要在查找条件中加入一个 <code>superClass</code> 即可实现这个功能。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doBaseTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 只需要添加这个条件</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">superClass</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(instance).</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"task_name"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>这个时候我们就可以在父类中取到这个方法了。</p><p><code>superClass</code> 有一个参数为 <code>isOnlySuperClass</code>,设置为 <code>true</code> 后,可以跳过当前 <code>Class</code> 仅查找当前 <code>Class</code> 的父类。</p><p>由于我们现在已知 <code>doBaseTask</code> 方法只存在于父类,可以加上这个条件节省查找时间。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doBaseTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 加入一个查找条件</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">superClass</span><span style="color:#ADBAC7;">(isOnlySuperClass </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">true</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(instance).</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"task_name"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>这个时候我们同样可以得到父类中的这个方法。</p><p><code>superClass</code> 一旦设置就会自动循环向后查找全部继承的父类中是否有这个方法,直到查找到目标没有父类(继承关系为 <code>java.lang.Object</code>)为止。</p><div class="custom-container tip"><p class="custom-container-title">小提示</p><p>更多功能请参考 <a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/MethodFinder#superclass-method">MethodFinder.superClass</a>、<a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/ConstructorFinder#superclass-method">ConstructorFinder.superClass</a>、<a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/FieldFinder#superclass-method">FieldFinder.superClass</a> 方法。</p></div><div class="custom-container danger"><p class="custom-container-title">特别注意</p><p>当前查找的 <strong>Method</strong> 除非指定 <strong>superClass</strong> 条件,否则只能查找到当前 <strong>Class</strong> 的 <strong>Method</strong>,这是 Java 反射 API 的默认行为。</p></div><h3 id="模糊查找-1" tabindex="-1"><a class="header-anchor" href="#模糊查找-1" aria-hidden="true">#</a> 模糊查找</h3><p>如果我们想查找一个方法名称,但是又不确定它在每个版本中是否发生变化,此时我们就可以使用模糊查找功能。</p><p>假设我们要得到 <code>Class</code> 中的 <code>doTask</code> 方法,可以使用如下实现。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">name</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 设置名称不区分大小写</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> it.</span><span style="color:#DCBDFB;">equals</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"dotask"</span><span style="color:#ADBAC7;">, isIgnoreCase </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">true</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(instance).</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"task_name"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>已知当前 <code>Class</code> 中仅有一个 <code>doTask</code> 方法,我们还可以判断方法名称仅包含其中指定的字符。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">name</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 仅包含 oTas</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> it.</span><span style="color:#DCBDFB;">contains</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"oTas"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(instance).</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"task_name"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>我们还可以根据首尾字符串进行判断。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">name</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 开头包含 do,结尾包含 Task</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> it.</span><span style="color:#DCBDFB;">startsWith</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"do"</span><span style="color:#ADBAC7;">) </span><span style="color:#F47067;">&&</span><span style="color:#ADBAC7;"> it.</span><span style="color:#DCBDFB;">endsWith</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"Task"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(instance).</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"task_name"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>通过观察发现这个方法名称中只包含字母,我们还可以再增加一个精确的查找条件。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">name</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 开头包含 do,结尾包含 Task,仅包含字母</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> it.</span><span style="color:#DCBDFB;">startsWith</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"do"</span><span style="color:#ADBAC7;">) </span><span style="color:#F47067;">&&</span><span style="color:#ADBAC7;"> it.</span><span style="color:#DCBDFB;">endsWith</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"Task"</span><span style="color:#ADBAC7;">) </span><span style="color:#F47067;">&&</span><span style="color:#ADBAC7;"> it.</span><span style="color:#DCBDFB;">isOnlyLetters</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(instance).</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"task_name"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="custom-container tip"><p class="custom-container-title">小提示</p><p>使用 <strong>name { ... }</strong> 创建一个条件方法体,其中的变量 <strong>it</strong> 即当前名称的字符串,此时你就可以在 <strong>NameRules</strong> 的扩展方法中自由使用其中的功能。</p><p>方法体末尾条件需要返回一个 <strong>Boolean</strong>,即最终的条件判断结果。</p><p>更多功能请参考 <a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/FieldFinder#name-method-1">FieldFinder.name</a>、<a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/MethodFinder#name-method-1">MethodFinder.name</a> 方法以及 <a href="../public/com/highcapable/yukihookapi/hook/core/finder/base/rules/NameRules">NameRules</a>。</p></div><h3 id="多重查找-1" tabindex="-1"><a class="header-anchor" href="#多重查找-1" aria-hidden="true">#</a> 多重查找</h3><p>有些时候,我们可能需要查找一个 <code>Class</code> 中具有相同特征的一组方法、构造方法、变量,此时,我们就可以利用相对条件匹配来完成。</p><p>在查找条件结果的基础上,我们只需要把 <code>get</code> 换为 <code>all</code> 即可得到匹配条件的全部字节码。</p><p>假设这次我们要得到 <code>Class</code> 中方法参数个数范围在 <code>1..3</code> 的全部方法,可以使用如下实现。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">paramCount</span><span style="color:#ADBAC7;">(</span><span style="color:#6CB6FF;">1</span><span style="color:#F47067;">..</span><span style="color:#6CB6FF;">3</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">all</span><span style="color:#ADBAC7;">(instance).</span><span style="color:#DCBDFB;">forEach</span><span style="color:#ADBAC7;"> { instance </span><span style="color:#F47067;">-></span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 调用执行每个方法</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> instance.</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#F47067;">..</span><span style="color:#ADBAC7;">.)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>上述示例可完美匹配到如下 3 个方法。</p><p><code>private void doTask(String taskName)</code></p><p><code>private void release(String taskName, Function<boolean, String> task, boolean isFinish)</code></p><p><code>private void b(String a)</code></p><p>如果你想更加自由地定义参数个数范围的条件,可以使用如下实现。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">paramCount</span><span style="color:#ADBAC7;"> { it </span><span style="color:#F47067;"><</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">3</span><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">all</span><span style="color:#ADBAC7;">(instance).</span><span style="color:#DCBDFB;">forEach</span><span style="color:#ADBAC7;"> { instance </span><span style="color:#F47067;">-></span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 调用执行每个方法</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> instance.</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#F47067;">..</span><span style="color:#ADBAC7;">.)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>上述示例可完美匹配到如下 6 个方法。</p><p><code>private static void init()</code></p><p><code>private void doTask(String taskName)</code></p><p><code>private void stop(String a)</code></p><p><code>private void getName(String a)</code></p><p><code>private void b()</code></p><p><code>private void b(String a)</code></p><p>通过观察 <code>Class</code> 中有两个名称为 <code>b</code> 的方法,可以使用如下实现。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"b"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">all</span><span style="color:#ADBAC7;">(instance).</span><span style="color:#DCBDFB;">forEach</span><span style="color:#ADBAC7;"> { instance </span><span style="color:#F47067;">-></span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 调用执行每个方法</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> instance.</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#F47067;">..</span><span style="color:#ADBAC7;">.)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>上述示例可完美匹配到如下 2 个方法。</p><p><code>private void b()</code></p><p><code>private void b(String a)</code></p><div class="custom-container tip"><p class="custom-container-title">小提示</p><p>使用 <strong>paramCount { ... }</strong> 创建一个条件方法体,其中的变量 <strong>it</strong> 即当前参数个数的整数,此时你就可以在 <strong>CountRules</strong> 的扩展方法中自由使用其中的功能。</p><p>方法体末尾条件需要返回一个 <strong>Boolean</strong>,即最终的条件判断结果。</p><p>更多功能请参考 <a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/MethodFinder#paramcount-method-2">MethodFinder.paramCount</a>、<a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/ConstructorFinder#paramcount-method-2">ConstructorFinder.paramCount</a> 方法以及 <a href="../public/com/highcapable/yukihookapi/hook/core/finder/base/rules/CountRules">CountRules</a>。</p></div><h3 id="静态字节码" tabindex="-1"><a class="header-anchor" href="#静态字节码" aria-hidden="true">#</a> 静态字节码</h3><p>有些方法和变量在 <code>Class</code> 中是静态的实现,这个时候,我们不需要传入实例就可以调用它们。</p><p>假设我们这次要得到静态变量 <code>TAG</code> 的内容。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">field</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"TAG"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> type </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> StringClass</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">string</span><span style="color:#ADBAC7;">() </span><span style="color:#768390;">// Field 的类型是字符串,可直接进行 cast</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>假设 <code>Class</code> 中存在同名的非静态 <code>TAG</code> 变量,这个时候怎么办呢?</p><p>加入一个筛选条件即可。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">field</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"TAG"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> type </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> StringClass</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 标识查找的这个变量需要是静态</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">modifiers</span><span style="color:#ADBAC7;"> { isStatic }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">string</span><span style="color:#ADBAC7;">() </span><span style="color:#768390;">// Field 的类型是字符串,可直接进行 cast</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>我们还可以调用名为 <code>init</code> 的静态方法。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"init"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>同样地,你可以标识它是一个静态。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"init"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 标识查找的这个方法需要是静态</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">modifiers</span><span style="color:#ADBAC7;"> { isStatic }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="custom-container tip"><p class="custom-container-title">小提示</p><p>使用 <strong>modifiers { ... }</strong> 创建一个条件方法体,此时你就可以在 <strong>ModifierRules</strong> 中自由使用其中的功能。</p><p>方法体末尾条件需要返回一个 <strong>Boolean</strong>,即最终的条件判断结果。</p><p>更多功能请参考 <a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/FieldFinder#modifiers-method">FieldFinder.modifiers</a>、<a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/MethodFinder#modifiers-method">MethodFinder.modifiers</a>、<a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/ConstructorFinder#modifiers-method">ConstructorFinder.modifiers</a> 方法以及 <a href="../public/com/highcapable/yukihookapi/hook/core/finder/base/rules/ModifierRules">ModifierRules</a>。</p></div><h3 id="混淆的字节码" tabindex="-1"><a class="header-anchor" href="#混淆的字节码" aria-hidden="true">#</a> 混淆的字节码</h3><p>你可能已经注意到了,这里给出的示例 <code>Class</code> 中有两个混淆的变量名称,它们都是 <code>a</code>,这个时候我们要怎么得到它们呢?</p><p>有两种方案。</p><p>第一种方案,确定变量的名称和类型。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">field</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"a"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> type </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> BooleanType</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(instance).</span><span style="color:#DCBDFB;">any</span><span style="color:#ADBAC7;">() </span><span style="color:#768390;">// 得到名称为 a 类型为 Boolean 的变量</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>第二种方案,确定变量的类型所在的位置。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">field</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">type</span><span style="color:#ADBAC7;">(BooleanType).</span><span style="color:#DCBDFB;">index</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">first</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(instance).</span><span style="color:#DCBDFB;">any</span><span style="color:#ADBAC7;">() </span><span style="color:#768390;">// 得到第一个类型为 Boolean 的变量</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>以上两种情况均可得到对应的变量 <code>private boolean a</code>。</p><p>同样地,这个 <code>Class</code> 中也有两个混淆的方法名称,它们都是 <code>b</code>。</p><p>你也可以有两种方案来得到它们。</p><p>第一种方案,确定方法的名称和方法参数。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"b"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(instance).</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"test_string"</span><span style="color:#ADBAC7;">) </span><span style="color:#768390;">// 得到名称为 b 方法参数为 [String] 的方法</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>第二种方案,确定方法的参数所在的位置。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass).</span><span style="color:#DCBDFB;">index</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">first</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(instance).</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"test_string"</span><span style="color:#ADBAC7;">) </span><span style="color:#768390;">// 得到第一个方法参数为 [String] 的方法</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>由于观察到这个方法在 <code>Class</code> 的最后一个,那我们还有一个备选方案。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">order</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">index</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">last</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(instance).</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"test_string"</span><span style="color:#ADBAC7;">) </span><span style="color:#768390;">// 得到当前 Class 的最后一个方法</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="custom-container warning"><p class="custom-container-title">注意</p><p>请尽量避免使用 <strong>order</strong> 来筛选字节码的下标,它们可能是不确定的,除非你确定它在这个 <strong>Class</strong> 中的位置一定不会变。</p></div><h3 id="直接调用" tabindex="-1"><a class="header-anchor" href="#直接调用" aria-hidden="true">#</a> 直接调用</h3><p>上面介绍的调用字节码的方法都需要使用 <code>get(instance)</code> 才能调用对应的方法,有没有简单一点的办法呢?</p><p>此时,你可以在任意实例上使用 <code>current</code> 方法来创建一个调用空间。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 假设这个 Class 是不能被直接得到的</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">instance.</span><span style="color:#DCBDFB;">current</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 执行 doTask 方法</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"task_name"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 执行 stop 方法</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"stop"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 得到 name</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> { name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"getName"</span><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">string</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>我们还可以用 <code>superClass</code> 调用当前 <code>Class</code> 父类的方法。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 假设这个 Class 是不能被直接得到的</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">instance.</span><span style="color:#DCBDFB;">current</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 执行父类的 doBaseTask 方法</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">superClass</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doBaseTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"task_name"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>如果你不喜欢使用一个大括号的调用域来创建当前实例的命名空间,你可以直接使用 <code>current()</code> 方法。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例,这个 Class 是不能被直接得到的</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 执行 doTask 方法</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">instance</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> .</span><span style="color:#DCBDFB;">current</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> .</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"task_name"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#768390;">// 执行 stop 方法</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">instance</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> .</span><span style="color:#DCBDFB;">current</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> .</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"stop"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 得到 name</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> instance.</span><span style="color:#DCBDFB;">current</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> { name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"getName"</span><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">string</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>同样地,它们之间可以连续调用,但<u><strong>不允许内联调用</strong></u>。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 假设这个 Class 是不能被直接得到的</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">instance.</span><span style="color:#DCBDFB;">current</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"task_name"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">current</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> .</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"stop"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 注意,因为 current() 返回的是 CurrentClass 自身对象,所以不能像下面这样调用</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">instance.</span><span style="color:#DCBDFB;">current</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">current</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>针对 <code>Field</code> 实例,还有一个便捷的方法,可以直接获取 <code>Field</code> 所在实例的对象。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 假设这个 Class 是不能被直接得到的</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">instance.</span><span style="color:#DCBDFB;">current</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// <方案1></span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">field</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"baseInstance"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">current</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doBaseTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"task_name"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// <方案2></span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">field</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"baseInstance"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">current</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> ?.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doBaseTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }?.</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"task_name"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="custom-container warning"><p class="custom-container-title">注意</p><p>上述 <strong>current</strong> 方法相当于帮你调用了 <strong>CurrentClass</strong> 中的 <strong>field { ... }.any()?.current()</strong> 方法。</p><p>若不存在 <strong>CurrentClass</strong> 调用域,你需要使用 <strong>field { ... }.get(instance).current()</strong> 来进行调用。</p></div><p>问题又来了,我想使用反射的方式创建如下的实例并调用其中的方法,该怎么做呢?</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">(</span><span style="color:#6CB6FF;">true</span><span style="color:#ADBAC7;">).</span><span style="color:#DCBDFB;">doTask</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"task_name"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><p>通常情况下,我们可以使用标准的反射 API 来调用。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#96D0FF;">"com.demo.Test"</span><span style="color:#ADBAC7;">.</span><span style="color:#DCBDFB;">toClass</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> .</span><span style="color:#DCBDFB;">getDeclaredConstructor</span><span style="color:#ADBAC7;">(Boolean::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> .</span><span style="color:#DCBDFB;">apply</span><span style="color:#ADBAC7;"> { isAccessible </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">true</span><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> .</span><span style="color:#DCBDFB;">newInstance</span><span style="color:#ADBAC7;">(</span><span style="color:#6CB6FF;">true</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> .</span><span style="color:#DCBDFB;">apply</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> javaClass</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> .</span><span style="color:#DCBDFB;">getDeclaredMethod</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"doTask"</span><span style="color:#ADBAC7;">, String::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> .</span><span style="color:#DCBDFB;">apply</span><span style="color:#ADBAC7;"> { isAccessible </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">true</span><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> .</span><span style="color:#DCBDFB;">invoke</span><span style="color:#ADBAC7;">(</span><span style="color:#6CB6FF;">this</span><span style="color:#ADBAC7;">, </span><span style="color:#96D0FF;">"task_name"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>但是感觉这种做法好麻烦,有没有更简洁的调用方法呢?</p><p>这个时候,我们还可以借助 <code>buildOf</code> 方法来创建一个实例。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#96D0FF;">"com.demo.Test"</span><span style="color:#ADBAC7;">.</span><span style="color:#DCBDFB;">toClass</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">buildOf</span><span style="color:#ADBAC7;">(</span><span style="color:#6CB6FF;">true</span><span style="color:#ADBAC7;">) { </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(BooleanType) }?.</span><span style="color:#DCBDFB;">current</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"task_name"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>若你希望 <code>buildOf</code> 方法返回当前实例的类型,你可以在其中加入类型泛型声明,而无需使用 <code>as</code> 来 <code>cast</code> 目标类型。</p><p>这种情况多用于实例本身的构造方法是私有的,但是里面的方法是公有的,这样我们只需要对其构造方法进行反射创建即可。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这个 Class 是能够直接被得到的</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> test </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">buildOf</span><span style="color:#ADBAC7;"><</span><span style="color:#F69D50;">Test</span><span style="color:#ADBAC7;">>(</span><span style="color:#6CB6FF;">true</span><span style="color:#ADBAC7;">) { </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(BooleanType) }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">test.</span><span style="color:#DCBDFB;">doTask</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"task_name"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="custom-container tip"><p class="custom-container-title">小提示</p><p>更多功能请参考 <a href="../public/com/highcapable/yukihookapi/hook/bean/CurrentClass">CurrentClass</a> 以及 <a href="../public/com/highcapable/yukihookapi/hook/factory/ReflectionFactory#class-buildof-ext-method">Class.buildOf</a> 方法。</p></div><h3 id="原始调用" tabindex="-1"><a class="header-anchor" href="#原始调用" aria-hidden="true">#</a> 原始调用</h3><p>若你正在使用反射调用的一个方法是被 Hook 过的,此时我们如何调用其原始方法呢?</p><p>原生的 <code>XposedBridge</code> 为我们提供了一个 <code>XposedBridge.invokeOriginalMethod</code> 功能。</p><p>现在,在 <code>YukiHookAPI</code> 中你可以使用如下方法便捷地实现这个功能。</p><p>假设下面是我们要演示的 <code>Class</code>。</p><blockquote><p>示例如下</p></blockquote><div class="language-java" data-ext="java"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">class</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">Test</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">static</span><span style="color:#ADBAC7;"> String </span><span style="color:#DCBDFB;">getString</span><span style="color:#ADBAC7;">() {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">return</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"Original"</span><span style="color:#ADBAC7;">;</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre></div><p>下面是 Hook 这个 <code>Class</code> 中 <code>getString</code> 方法的方式。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"getString"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> returnType </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> StringClass</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">hook</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">replaceTo</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"Hooked"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>此时,我们再使用反射调用这个方法,则会得到 Hook 后的结果 <code>"Hooked"</code>。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// result 的结果会是 "Hooked"</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> result </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"getString"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> returnType </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> StringClass</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">string</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>如果我们想得到这个方法未经 Hook 的原始方法及结果,只需要在结果中加入 <code>original</code> 即可。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// result 的结果会是 "Original"</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> result </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"getString"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> returnType </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> StringClass</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">original</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">string</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="custom-container tip"><p class="custom-container-title">小提示</p><p>更多功能请参考 <a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/MethodFinder#original-method">MethodFinder.Result.original</a> 方法。</p></div><h3 id="再次查找" tabindex="-1"><a class="header-anchor" href="#再次查找" aria-hidden="true">#</a> 再次查找</h3><p>假设有三个不同版本的 <code>Class</code>,它们都是这个宿主不同版本相同的 <code>Class</code>。</p><p>这里面同样都有一个方法 <code>doTask</code>,假设它们的功能是一样的。</p><blockquote><p>版本 A 示例如下</p></blockquote><div class="language-java" data-ext="java"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">class</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">Test</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">void</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">doTask</span><span style="color:#ADBAC7;">() {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre></div><blockquote><p>版本 B 示例如下</p></blockquote><div class="language-java" data-ext="java"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">class</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">Test</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">void</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">doTask</span><span style="color:#ADBAC7;">(String </span><span style="color:#F69D50;">taskName</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre></div><blockquote><p>版本 C 示例如下</p></blockquote><div class="language-java" data-ext="java"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">class</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">Test</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">void</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">doTask</span><span style="color:#ADBAC7;">(String </span><span style="color:#F69D50;">taskName</span><span style="color:#ADBAC7;">, </span><span style="color:#F47067;">int</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">type</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre></div><p>我们需要在不同的版本中得到这个相同功能的 <code>doTask</code> 方法,要怎么做呢?</p><p>此时,你可以使用 <code>RemedyPlan</code> 完成你的需求。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">remedys</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">onFind</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 可在这里实现找到的逻辑</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(StringClass, IntType)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">onFind</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 可在这里实现找到的逻辑</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">wait</span><span style="color:#ADBAC7;">(instance) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 得到方法的结果</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="custom-container danger"><p class="custom-container-title">特别注意</p><p>使用了 <strong>RemedyPlan</strong> 的方法查找结果不能再使用 <strong>get</strong> 的方式得到方法实例,应当使用 <strong>wait</strong> 方法。</p></div><p>另外,你还可以在使用 <a href="#%E5%A4%9A%E9%87%8D%E6%9F%A5%E6%89%BE">多重查找</a> 的情况下继续使用 <code>RemedyPlan</code>。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这就是这个 Class 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> instance </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">Test</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 使用 YukiHookAPI 调用并执行</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">remedys</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">paramCount</span><span style="color:#ADBAC7;">(</span><span style="color:#6CB6FF;">0</span><span style="color:#F47067;">..</span><span style="color:#6CB6FF;">1</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">onFind</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 可在这里实现找到的逻辑</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">paramCount</span><span style="color:#ADBAC7;">(</span><span style="color:#6CB6FF;">1</span><span style="color:#F47067;">..</span><span style="color:#6CB6FF;">2</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }.</span><span style="color:#DCBDFB;">onFind</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 可在这里实现找到的逻辑</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">waitAll</span><span style="color:#ADBAC7;">(instance) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 得到方法的结果</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="custom-container tip"><p class="custom-container-title">小提示</p><p>更多功能请参考 <a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/MethodFinder#remedyplan-class">MethodFinder.RemedyPlan</a>、<a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/ConstructorFinder#remedyplan-class">ConstructorFinder.RemedyPlan</a>、<a href="../public/com/highcapable/yukihookapi/hook/core/finder/members/FieldFinder#remedyplan-class">FieldFinder.RemedyPlan</a>。</p></div><h3 id="相对匹配" tabindex="-1"><a class="header-anchor" href="#相对匹配" aria-hidden="true">#</a> 相对匹配</h3><p>假设宿主中不同版本中存在功能相同的 <code>Class</code> 但仅有 <code>Class</code> 的名称不一样。</p><blockquote><p>版本 A 示例如下</p></blockquote><div class="language-java" data-ext="java"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">class</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">ATest</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">static</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">void</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">doTask</span><span style="color:#ADBAC7;">() {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre></div><blockquote><p>版本 B 示例如下</p></blockquote><div class="language-java" data-ext="java"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">class</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">BTest</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">static</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">void</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">doTask</span><span style="color:#ADBAC7;">() {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre></div><p>这个时候我们想在每个版本都调用这个 <code>Class</code> 里的 <code>doTask</code> 方法该怎么做呢?</p><p>通常做法是判断 <code>Class</code> 是否存在。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 首先查找到这个 Class</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> currentClass </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">if</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"com.demo.ATest"</span><span style="color:#ADBAC7;">.</span><span style="color:#DCBDFB;">hasClass</span><span style="color:#ADBAC7;">()) </span><span style="color:#96D0FF;">"com.demo.ATest"</span><span style="color:#ADBAC7;">.</span><span style="color:#DCBDFB;">toClass</span><span style="color:#ADBAC7;">() </span><span style="color:#F47067;">else</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"com.demo.BTest"</span><span style="color:#ADBAC7;">.</span><span style="color:#DCBDFB;">toClass</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#768390;">// 然后再查找这个方法并调用</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">currentClass.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>感觉这种方案非常的不优雅且繁琐,那么此时 <code>YukiHookAPI</code> 就为你提供了一个非常方便的 <code>VariousClass</code> 专门来解决这个问题。</p><p>现在,你可以直接使用以下方式获取到这个 <code>Class</code>。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#DCBDFB;">VariousClass</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"com.demo.ATest"</span><span style="color:#ADBAC7;">, </span><span style="color:#96D0FF;">"com.demo.BTest"</span><span style="color:#ADBAC7;">).</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>若当前 <code>Class</code> 在指定的 <code>ClassLoader</code> 中存在,你可以在 <code>get</code> 中填入你的 <code>ClassLoader</code>。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> customClassLoader: </span><span style="color:#F69D50;">ClassLoader</span><span style="color:#ADBAC7;">? </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">..</span><span style="color:#ADBAC7;">. </span><span style="color:#768390;">// 假设这个就是你的 ClassLoader</span></span>
|
||
<span class="line"><span style="color:#DCBDFB;">VariousClass</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"com.demo.ATest"</span><span style="color:#ADBAC7;">, </span><span style="color:#96D0FF;">"com.demo.BTest"</span><span style="color:#ADBAC7;">).</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(customClassLoader).</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>若你不确定所有的 <code>Class</code> 一定会被匹配到,你可以使用 <code>getOrNull</code> 方法。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> customClassLoader: </span><span style="color:#F69D50;">ClassLoader</span><span style="color:#ADBAC7;">? </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">..</span><span style="color:#ADBAC7;">. </span><span style="color:#768390;">// 假设这个就是你的 ClassLoader</span></span>
|
||
<span class="line"><span style="color:#DCBDFB;">VariousClass</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"com.demo.ATest"</span><span style="color:#ADBAC7;">, </span><span style="color:#96D0FF;">"com.demo.BTest"</span><span style="color:#ADBAC7;">).</span><span style="color:#DCBDFB;">getOrNull</span><span style="color:#ADBAC7;">(customClassLoader)?.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}?.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">()?.</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>若你正在 <code>PackageParam</code> 中操作 (Xposed) 宿主环境的 <code>Class</code>,可以直接使用 <code>toClass()</code> 进行设置。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#DCBDFB;">VariousClass</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"com.demo.ATest"</span><span style="color:#ADBAC7;">, </span><span style="color:#96D0FF;">"com.demo.BTest"</span><span style="color:#ADBAC7;">).</span><span style="color:#DCBDFB;">toClass</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"doTask"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">call</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="custom-container tip"><p class="custom-container-title">小提示</p><p>更多功能请参考 <a href="../public/com/highcapable/yukihookapi/hook/bean/VariousClass">VariousClass</a>。</p></div><p>若在创建 Hook 的时候使用,可以更加方便,还可以自动拦截找不到 <code>Class</code> 的异常。</p><p>你可以把这个 <code>Class</code> 定义为一个常量类型来使用。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 定义常量类型</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> ABTestClass </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">VariousClass</span><span style="color:#ADBAC7;">(</span><span style="color:#96D0FF;">"com.demo.ATest"</span><span style="color:#ADBAC7;">, </span><span style="color:#96D0FF;">"com.demo.BTest"</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#768390;">// 直接使用</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">ABTestClass.</span><span style="color:#DCBDFB;">hook</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// Your code here.</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h3 id="调用泛型" tabindex="-1"><a class="header-anchor" href="#调用泛型" aria-hidden="true">#</a> 调用泛型</h3><p>在反射过程中,我们可能会遇到泛型问题,在泛型的反射处理上,<code>YukiHookAPI</code> 同样提供了一个可在任意地方使用的语法糖。</p><p>例如我们有如下的泛型类。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#F47067;">class</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">TestGeneric</span><span style="color:#ADBAC7;"><</span><span style="color:#F69D50;">T</span><span style="color:#ADBAC7;">, </span><span style="color:#F69D50;">R</span><span style="color:#ADBAC7;">> (t: </span><span style="color:#F69D50;">T</span><span style="color:#ADBAC7;">, r: </span><span style="color:#F69D50;">R</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">fun</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">foo</span><span style="color:#ADBAC7;">() {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>当我们想在当前 <code>Class</code> 中获得泛型 <code>T</code> 或 <code>R</code> 的 <code>Class</code> 实例,只需要如下实现。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#F47067;">class</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">TestGeneric</span><span style="color:#ADBAC7;"><</span><span style="color:#F69D50;">T</span><span style="color:#ADBAC7;">, </span><span style="color:#F69D50;">R</span><span style="color:#ADBAC7;">> (t: </span><span style="color:#F69D50;">T</span><span style="color:#ADBAC7;">, r: </span><span style="color:#F69D50;">R</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">fun</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">foo</span><span style="color:#ADBAC7;">() {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 获得当前实例的操作对象</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 获得 T 的 Class 实例,在参数第 0 位,默认值可以不写</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> tClass </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">current</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">generic</span><span style="color:#ADBAC7;">()?.</span><span style="color:#DCBDFB;">argument</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 获得 R 的 Class 实例,在参数第 1 位</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> rClass </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">current</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">generic</span><span style="color:#ADBAC7;">()?.</span><span style="color:#DCBDFB;">argument</span><span style="color:#ADBAC7;">(index </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">1</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 你还可以使用如下写法</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">current</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">generic</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 获得 T 的 Class 实例,在参数第 0 位,默认值可以不写</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> tClass </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">argument</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 获得 R 的 Class 实例,在参数第 1 位</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> rClass </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">argument</span><span style="color:#ADBAC7;">(index </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">1</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>当我们想在外部调用这个 <code>Class</code> 时,就可以有如下实现。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#768390;">// 假设这个就是 T 的 Class</span></span>
|
||
<span class="line"><span style="color:#F47067;">class</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">TI</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">fun</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">foo</span><span style="color:#ADBAC7;">() {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"><span style="color:#768390;">// 假设这个就是 T 的实例</span></span>
|
||
<span class="line"><span style="color:#F47067;">val</span><span style="color:#ADBAC7;"> tInstance: </span><span style="color:#F69D50;">TI</span><span style="color:#ADBAC7;">? </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">..</span><span style="color:#ADBAC7;">.</span></span>
|
||
<span class="line"><span style="color:#768390;">// 获得 T 的 Class 实例,在参数第 0 位,默认值可以不写,并获得其中的方法 foo 并调用</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">TestGeneric::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">generic</span><span style="color:#ADBAC7;">()?.</span><span style="color:#DCBDFB;">argument</span><span style="color:#ADBAC7;">()?.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"foo"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}?.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(tInstance)?.</span><span style="color:#DCBDFB;">invoke</span><span style="color:#ADBAC7;"><</span><span style="color:#F69D50;">TI</span><span style="color:#ADBAC7;">>()</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="custom-container tip"><p class="custom-container-title">小提示</p><p>更多功能请参考 <a href="../public/com/highcapable/yukihookapi/hook/bean/CurrentClass#generic-method">CurrentClass.generic</a>、<a href="../public/com/highcapable/yukihookapi/hook/factory/ReflectionFactory#class-generic-ext-method">Class.generic</a> 方法以及 <a href="../public/com/highcapable/yukihookapi/hook/bean/GenericClass">GenericClass</a>。</p></div><h3 id="注意误区" tabindex="-1"><a class="header-anchor" href="#注意误区" aria-hidden="true">#</a> 注意误区</h3><blockquote><p>这里列举了使用时可能会遇到的误区部分,可供参考。</p></blockquote><h4 id="限制性查找条件" tabindex="-1"><a class="header-anchor" href="#限制性查找条件" aria-hidden="true">#</a> 限制性查找条件</h4><p>在查找条件中,除了 <code>order</code> 你<u><strong>只能</strong></u>使用一次 <code>index</code> 功能。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"test"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(BooleanType).</span><span style="color:#DCBDFB;">index</span><span style="color:#ADBAC7;">(num </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">2</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// 错误的使用方法,请仅保留一个 index 方法</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">returnType</span><span style="color:#ADBAC7;">(StringClass).</span><span style="color:#DCBDFB;">index</span><span style="color:#ADBAC7;">(num </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">1</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>以下查找条件的使用是没有任何问题的。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"test"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(BooleanType).</span><span style="color:#DCBDFB;">index</span><span style="color:#ADBAC7;">(num </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">2</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">order</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">index</span><span style="color:#ADBAC7;">(num </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#6CB6FF;">1</span><span style="color:#ADBAC7;">)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h4 id="必要的查找条件" tabindex="-1"><a class="header-anchor" href="#必要的查找条件" aria-hidden="true">#</a> 必要的查找条件</h4><p>在普通方法查找条件中,<u><strong>即使是无参的方法也需要设置查找条件</strong></u>。</p><p>假设我们有如下的 <code>Class</code>。</p><blockquote><p>示例如下</p></blockquote><div class="language-java" data-ext="java"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">class</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">TestFoo</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">void</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">foo</span><span style="color:#ADBAC7;">(String </span><span style="color:#F69D50;">string</span><span style="color:#ADBAC7;">) {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">void</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">foo</span><span style="color:#ADBAC7;">() {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre></div><p>我们要得到其中的 <code>public void foo()</code> 方法,可以写作如下形式。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#ADBAC7;">TestFoo::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"foo"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>但是,上面的例子<u><strong>是错误的</strong></u>。</p><p>你会发现这个 <code>Class</code> 中有两个 <code>foo</code> 方法,其中一个带有方法参数。</p><p>由于上述例子没有设置 <code>param</code> 的查找条件,得到的结果将会是匹配名称且匹配字节码顺序的第一个方法 <code>public void foo(String string)</code>,而不是我们需要的最后一个方法。</p><p>这是一个<strong>经常会出现的错误</strong>,<strong>没有方法参数就会丢失方法参数查找条件</strong>的使用问题。</p><p>正确的使用方法如下。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#ADBAC7;">TestFoo::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"foo"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ✅ 正确的使用方法,添加详细的筛选条件</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>至此,上述的示例将可以完美地匹配到 <code>public void foo()</code> 方法。</p><div class="custom-container tip"><p class="custom-container-title">兼容性说明</p><p>在过往历史版本的 API 中是允许匹配不写默认匹配无参方法的做法的,但是最新版本更正了这一问题,请确保你使用的是最新的 API 版本。</p></div><p>在构造方法查找条件中,<u><strong>即使是无参的构造方法也需要设置查找条件</strong></u>。</p><p>假设我们有如下的 <code>Class</code>。</p><blockquote><p>示例如下</p></blockquote><div class="language-java" data-ext="java"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">class</span><span style="color:#ADBAC7;"> </span><span style="color:#F69D50;">TestFoo</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#F47067;">public</span><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">TestFoo</span><span style="color:#ADBAC7;">() {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#768390;">// ...</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> }</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre></div><p>我们要得到其中的 <code>public TestFoo()</code> 构造方法,必须写作如下形式。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#ADBAC7;">TestFoo::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">constructor</span><span style="color:#ADBAC7;"> { </span><span style="color:#DCBDFB;">emptyParam</span><span style="color:#ADBAC7;">() }</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><p>上面的例子可以成功获取到 <code>public TestFoo()</code> 构造方法。</p><p>如果你写作 <code>constructor()</code> 而丢失了 <code>emptyParam()</code>,此时查找到的结果会是按照字节码顺序排列的的第一位,<u><strong>可能并不是无参的</strong></u>。</p><div class="custom-container tip"><p class="custom-container-title">兼容性说明</p><p>在过往历史版本的 API 中构造方法不填写任何查找参数会直接找不到构造方法,<u><strong>这是一个 BUG,最新版本已经进行修复</strong></u>,请确保你使用的是最新的 API 版本。</p></div><div class="custom-container danger"><p class="custom-container-title">API 行为变更</p><p>在 <strong>1.2.0</strong> 及之后的版本中,<strong>constructor()</strong> 的行为不再是 <strong>constructor { emptyParam() }</strong> 而是 <strong>constructor {}</strong>,请注意行为变更合理调整查找参数。</p></div><h4 id="不设置查找条件" tabindex="-1"><a class="header-anchor" href="#不设置查找条件" aria-hidden="true">#</a> 不设置查找条件</h4><p>在不设置查找条件的情况下,使用 <code>field()</code>、<code>constructor()</code>、<code>method()</code> 将返回当前 <code>Class</code> 下的所有成员对象。</p><p>使用 <code>get(...)</code> 或 <code>give()</code> 的方式获取将只能得到按照字节码顺序排列的的第一位。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">field</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">(</span><span style="color:#F47067;">..</span><span style="color:#ADBAC7;">.)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">give</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div></div></div><p>如果你想得到全部成员对象,你可以使用 <code>all(...)</code> 或 <code>giveAll()</code></p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">field</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">all</span><span style="color:#ADBAC7;">(</span><span style="color:#F47067;">..</span><span style="color:#ADBAC7;">.)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">Test::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.java.</span><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">giveAll</span><span style="color:#ADBAC7;">()</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div></div></div><div class="custom-container tip"><p class="custom-container-title">兼容性说明</p><p>在过往历史版本的 API 中,不设置查找条件将抛出异常,此特性在 <strong>1.2.0</strong> 及之后的版本中加入。</p></div><h4 id="字节码类型" tabindex="-1"><a class="header-anchor" href="#字节码类型" aria-hidden="true">#</a> 字节码类型</h4><p>在字节码调用结果中,<strong>cast</strong> 方法<u><strong>只能</strong></u>指定字节码对应的类型。</p><p>例如我们想得到一个 <code>Boolean</code> 类型的变量,把他转换为 <code>String</code>。</p><p>以下是错误的使用方法。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#F47067;">field</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"test"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> type </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> BooleanType</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">string</span><span style="color:#ADBAC7;">() </span><span style="color:#768390;">// 错误的使用方法,必须 cast 为字节码目标类型</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>以下是正确的使用方法。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#F47067;">field</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"test"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> type </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> BooleanType</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}.</span><span style="color:#DCBDFB;">get</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">boolean</span><span style="color:#ADBAC7;">().</span><span style="color:#DCBDFB;">toString</span><span style="color:#ADBAC7;">() </span><span style="color:#768390;">// ✅ 正确的使用方法,得到类型后再进行转换</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h2 id="常用类型扩展" tabindex="-1"><a class="header-anchor" href="#常用类型扩展" aria-hidden="true">#</a> 常用类型扩展</h2><p>在查找方法、变量的时候我们通常需要指定所查找的类型。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#F47067;">field</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"test"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> type </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> Boolean::</span><span style="color:#DCBDFB;">class</span><span style="color:#ADBAC7;">.javaPrimitiveType</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>在 Kotlin 中表达出 <code>Boolean::class.javaPrimitiveType</code> 这个类型的写法很长,感觉并不方便。</p><p>因此,<code>YukiHookAPI</code> 为开发者封装了常见的类型调用,其中包含了 Android 的相关类型和 Java 的常见类型与<strong>原始类型关键字</strong>。</p><p>这个时候上面的类型就可以写作如下形式了。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#F47067;">field</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"test"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> type </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> BooleanType</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>在 Java 常见类型中的<strong>原始类型 (或基本类型) 关键字</strong>都已被封装为 <strong>类型 + Type</strong> 的方式,例如 <code>IntType</code>、<code>FloatType</code> (它们的字节码类型为 <code>int</code>、<code>float</code>)。</p><p>相应地,数组类型也有方便的使用方法,假设我们要获得 <code>String[]</code> 类型的数组。</p><p>需要写做 <code>java.lang.reflect.Array.newInstance(String::class.java, 0).javaClass</code> 才能得到这个类型。</p><p>感觉是不是很麻烦,这个时候我们可以使用方法 <code>ArrayClass(StringClass)</code> 来得到这个类型。</p><p>同时由于 <code>String</code> 是常见类型,所以还可以直接使用 <code>StringArrayClass</code> 来得到这个类型。</p><p>一些常见的 Hook 中查找的方法,都有其对应的封装类型以供使用,格式为 <strong>类型 + Class</strong>。</p><p>例如 Hook <code>onCreate</code> 方法需要查找 <code>Bundle::class.java</code> 类型。</p><blockquote><p>示例如下</p></blockquote><div class="language-kotlin line-numbers-mode" data-ext="kt"><pre class="shiki github-dark-dimmed" style="background-color:#22272e;" tabindex="0"><code><span class="line"><span style="color:#DCBDFB;">method</span><span style="color:#ADBAC7;"> {</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> name </span><span style="color:#F47067;">=</span><span style="color:#ADBAC7;"> </span><span style="color:#96D0FF;">"onCreate"</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;"> </span><span style="color:#DCBDFB;">param</span><span style="color:#ADBAC7;">(BundleClass)</span></span>
|
||
<span class="line"><span style="color:#ADBAC7;">}</span></span>
|
||
<span class="line"></span></code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><p>以下是 Java 中一些特例类型在 <code>YukiHookAPI</code> 中的封装名称。</p><ul><li><p><code>void</code> → <code>UnitType</code></p></li><li><p><code>java.lang.Void</code> → <code>UnitClass</code></p></li><li><p><code>java.lang.Object</code> → <code>AnyClass</code></p></li><li><p><code>java.lang.Integer</code> → <code>IntClass</code></p></li><li><p><code>java.lang.Character</code> → <code>CharClass</code></p></li></ul><div class="custom-container warning"><p class="custom-container-title">注意</p><p>以 <strong>类型 + Type</strong> 封装类型会且仅会表示为 Java <strong>原始类型关键字</strong>,由于 Kotlin 中不存在<strong>原始类型</strong>这个概念,所以它们都会被定义为 <strong>KClass</strong>。</p><p>Java 中共有 9 个<strong>原始类型关键字</strong>,其中 8 个为<strong>原始类型</strong>,分别为 <strong>boolean</strong>、<strong>char</strong>、<strong>byte</strong>、<strong>short</strong>、<strong>int</strong>、<strong>float</strong>、<strong>long</strong>、<strong>double</strong>,其中 <strong>void</strong> 类型是一个特例。</p><p>同时它们都有 Java 自身对应的封装类型,例如 <strong>java.lang.Boolean</strong>、<strong>java.lang.Integer</strong>,这些类型是<u><strong>不相等的</strong></u>,请注意区分。</p><p>同样地,数组也有对应的封装类型,它们也需要与 Java <strong>原始类型关键字</strong> 进行区分。</p><p>例如 <strong>byte[]</strong> 的封装类型为 <strong>ByteArrayType</strong> 或 <strong>ArrayClass(ByteType)</strong>,而 <strong>Byte[]</strong> 的封装类型为 <strong>ByteArrayClass</strong> 或 <strong>ArrayClass(ByteClass)</strong>,这些类型也是<u><strong>不相等的</strong></u>。</p></div><div class="custom-container tip"><p class="custom-container-title">小提示</p><p>更多类型可查看 <a href="../public/com/highcapable/yukihookapi/hook/type/android/ComponentTypeFactory">ComponentTypeFactory</a>、<a href="../public/com/highcapable/yukihookapi/hook/type/android/GraphicsTypeFactory">GraphicsTypeFactory</a>、<a href="../public/com/highcapable/yukihookapi/hook/type/android/ViewTypeFactory">ViewTypeFactory</a>、<a href="../public/com/highcapable/yukihookapi/hook/type/java/VariableTypeFactory">VariableTypeFactory</a>。</p></div><p>同时,欢迎你能贡献更多的常用类型。</p>`,363);function N(M,O){const l=e("ExternalLinkIcon"),p=e("Badge");return t(),r("div",null,[d,A,s("p",null,[s("s",null,[n("此功能的核心部分已被解耦合为 "),s("a",y,[n("YukiReflection"),a(l)]),n(" 项目,它可以独立使用于任何 Java、Android 项目中。")])]),D,s("div",B,[C,s("p",null,[n("从 "),u,n(" 版本开始,"),v,n(" 已将自身的反射 API 部分迁移至 "),s("a",m,[n("KavaRef"),a(l)]),n(",我们不再推荐使用 "),b,n(" 自身的反射 API,这些 API 已被标记为弃用。")]),F,s("p",null,[n("如果你依然在使用 "),k,n(" 的反射 API 部分,请参考 "),s("a",h,[n("这里"),a(l)]),n(" 的迁移文档,这将跳转到 "),g,n(" 的文档。")])]),s("div",q,[T,s("h3",x,[f,n(" 模糊查找 "),a(p,{type:"tip",text:"Beta",vertical:"middle"})]),P,s("div",S,[_,s("p",null,[s("s",null,[n("在 "),j,n(" 发布 "),I,n(" 版本后,此功能将被标记为作废,且不再会迁移到 "),s("a",L,[n("YukiReflection"),a(l)]),n("。")])]),s("p",null,[n("我们欢迎各位开发者开始使用 "),s("a",H,[n("DexKit"),a(l)]),n(",它是一个使用 C++ 实现的 "),R,n(" 高性能运行时解析库,在性能方面比 Java 层更加高效与优秀,目前尚在开发阶段,欢迎提出宝贵建议。")])]),Y])])}const V=c(i,[["render",N],["__file","reflection.html.vue"]]);export{V as default};
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