...

app/src/main/java/com/highcapable/yukihookapi/demo/MainActivity.kt

@@ -29,11 +29,34 @@ package com.highcapable.yukihookapi.demo
 
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatActivity
+import com.highcapable.yukihookapi.hook.YukiHook
+import com.highcapable.yukihookapi.hook.factory.yukiHook
 
 class MainActivity : AppCompatActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
+        YukiHook.encase {
+            optApp(name = "android") {
+                classOf(name = "a.b.c").hook {
+
+                }
+                classOf(name = "a.b.c").hook {
+
+                }
+            }
+            optApp(name = "bndroid") {
+                classOf(name = "a.b.c").hook {
+
+                }
+                classOf(name = "a.b.c").hook {
+
+                }
+            }
+        }
+        yukiHook {
+
+        }
     }
 }

app/src/main/java/com/highcapable/yukihookapi/demo/Yuu.kt

@@ -1,6 +1,6 @@
 package com.highcapable.yukihookapi.demo
 
-import com.highcapable.yukihookapi.hook.init.YukiHookLoadPackage
+import com.highcapable.yukihookapi.hook.xposed.YukiHookLoadPackage
 
 class Yuu : YukiHookLoadPackage() {
 

yukihookapi/src/main/assets/xposed_init

@@ -1 +1 @@
-com.highcapable.yukihookapi.hook.init.YukiHookLoadPackage
+com.highcapable.yukihookapi.hook.xposed.YukiHookLoadPackage

yukihookapi/src/main/java/com/highcapable/yukihookapi/hook/YukiHook.kt

@@ -0,0 +1,75 @@
+/**
+ * MIT License
+ *
+ * Copyright (C) 2022 HighCapable
+ *
+ * This file is part of YukiHookAPI.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * This file is Created by fankes on 2022/2/2.
+ */
+@file:Suppress("MemberVisibilityCanBePrivate", "unused")
+
+package com.highcapable.yukihookapi.hook
+
+import android.content.pm.ApplicationInfo
+import com.highcapable.yukihookapi.hook.YukiHook.encase
+import com.highcapable.yukihookapi.param.CustomParam
+import com.highcapable.yukihookapi.param.PackageParam
+
+/**
+ * YukiHook 的装载 API 调用类
+ * 可以实现作为模块装载和自定义 Hook 装载两种方式
+ * 模块装载方式已经自动对接 Xposed API - 可直接调用 [encase] 完成操作
+ */
+object YukiHook {
+
+    /** Xposed Hook API 方法体回调 */
+    internal var packageParamCallback: (PackageParam.() -> Unit)? = null
+
+    /** YukiHook 的 API 只能装载一次 */
+    private var isLoaded = false
+
+    /**
+     * 自身作为模块装载调用入口方法 - Xposed API
+     * ⚠️ 注意：只能装载一次
+     * @param initiate Hook 方法体
+     * @throws IllegalStateException 重复调用会抛出异常
+     */
+    fun encase(initiate: PackageParam.() -> Unit) {
+        if (isLoaded) error("YukiHook API already loaded")
+        isLoaded = true
+        packageParamCallback = initiate
+    }
+
+    /**
+     * 自定义 Hook 方法装载入口
+     * @param classLoader [ClassLoader]
+     * @param packageName 包名
+     * @param appInfo [ApplicationInfo]
+     * @param initiate Hook 方法体
+     */
+    fun encase(
+        classLoader: ClassLoader,
+        packageName: String,
+        appInfo: ApplicationInfo,
+        initiate: PackageParam.() -> Unit
+    ) = initiate.invoke(PackageParam(customInstance = CustomParam(classLoader, appInfo, packageName)))
+}

yukihookapi/src/main/java/com/highcapable/yukihookapi/hook/core/YukiHookCreater.kt

@@ -25,7 +25,7 @@
  *
  * This file is Created by fankes on 2022/2/2.
  */
-package com.highcapable.yukihookapi.hook
+package com.highcapable.yukihookapi.hook.core
 
 import com.highcapable.yukihookapi.param.HookParam
 import com.highcapable.yukihookapi.param.PackageParam

yukihookapi/src/main/java/com/highcapable/yukihookapi/hook/factory/YukiHookFactory.kt

@@ -25,28 +25,31 @@
  *
  * This file is Created by fankes on 2022/2/2.
  */
-package com.highcapable.yukihookapi.hook.helper
+@file:Suppress("unused")
 
+package com.highcapable.yukihookapi.hook.factory
+
+import android.content.pm.ApplicationInfo
+import com.highcapable.yukihookapi.hook.YukiHook
 import com.highcapable.yukihookapi.param.PackageParam
 
 /**
- * YukiHook 的装载 API 调用类
- * 可以实现作为模块装载和 Hook 自身 APP 两种方式
+ * Lambda 方式装载 [YukiHook]
+ * @param initiate Hook 方法体
  */
-object YukiHookHelper {
+fun yukiHook(initiate: PackageParam.() -> Unit) = YukiHook.encase(initiate)
 
-    /**
-     * 自身作为模块装载调用入口方法
-     * @param initiate Hook 方法体
-     */
-    fun onHookApp(initiate: PackageParam.() -> Unit) {
-
-    }
-
-    /**
-     * 作为侵入式 Hook 自身装载调用入口方法
-     * 正在开发敬请期待。
-     * @param initiate Hook 方法体
-     */
-    fun onHookSelf(initiate: PackageParam.() -> Unit) {}
-}
+/**
+ * Lambda 方式装载 [YukiHook]
+ * 自定义 Hook 方法装载入口
+ * @param classLoader [ClassLoader]
+ * @param packageName 包名
+ * @param appInfo [ApplicationInfo]
+ * @param initiate Hook 方法体
+ */
+fun yukiHook(
+    classLoader: ClassLoader,
+    packageName: String,
+    appInfo: ApplicationInfo,
+    initiate: PackageParam.() -> Unit
+) = YukiHook.encase(classLoader, packageName, appInfo, initiate)

yukihookapi/src/main/java/com/highcapable/yukihookapi/hook/xposed/YukiHookLoadPackage.kt

@@ -25,22 +25,24 @@
  *
  * This file is Created by fankes on 2022/2/2.
  */
-package com.highcapable.yukihookapi.hook.init
+package com.highcapable.yukihookapi.hook.xposed
 
 import androidx.annotation.Keep
-import com.highcapable.yukihookapi.hook.helper.YukiHookHelper
+import com.highcapable.yukihookapi.hook.YukiHook
+import com.highcapable.yukihookapi.param.PackageParam
 import de.robv.android.xposed.IXposedHookLoadPackage
 import de.robv.android.xposed.callbacks.XC_LoadPackage
 
 /**
  * 接管 Xposed 的 [IXposedHookLoadPackage] 入口
- * 你可以使用 [YukiHookHelper] 来监听模块开始装载
+ * 你可以使用 [YukiHook] 来监听模块开始装载
  */
 @Keep
 class YukiHookLoadPackage : IXposedHookLoadPackage {
 
     override fun handleLoadPackage(lpparam: XC_LoadPackage.LoadPackageParam?) {
         if (lpparam == null) return
-
+        /** 设置装载回调 */
+        YukiHook.packageParamCallback?.invoke(PackageParam(lpparam))
     }
 }

yukihookapi/src/main/java/com/highcapable/yukihookapi/param/CustomParam.kt

@@ -25,8 +25,14 @@
  *
  * This file is Created by fankes on 2022/2/2.
  */
-package com.highcapable.yukihookapi.hook.factory
+package com.highcapable.yukihookapi.param
 
-import com.highcapable.yukihookapi.hook.YukiHookCreater
+import android.content.pm.ApplicationInfo
 
-fun Class<*>.hook(it: YukiHookCreater.() -> Unit) = YukiHookCreater().apply(it).hook()
+/**
+ * 自定义 [PackageParam] 的装载入口置换类
+ * @param appClassLoader APP [ClassLoader]
+ * @param appInfo APP [ApplicationInfo]
+ * @param packageName 包名
+ */
+class CustomParam(var appClassLoader: ClassLoader, var appInfo: ApplicationInfo, var packageName: String)

yukihookapi/src/main/java/com/highcapable/yukihookapi/param/PackageParam.kt

@@ -1,35 +1,63 @@
+/**
+ * MIT License
+ *
+ * Copyright (C) 2022 HighCapable
+ *
+ * This file is part of YukiHookAPI.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * This file is Created by fankes on 2022/2/2.
+ */
 @file:Suppress("unused", "MemberVisibilityCanBePrivate")
 
 package com.highcapable.yukihookapi.param
 
 import android.content.pm.ApplicationInfo
+import com.highcapable.yukihookapi.hook.core.YukiHookCreater
 import de.robv.android.xposed.callbacks.XC_LoadPackage
 
 /**
  * 装载 Hook 的目标 APP 入口对象实现类
  * 如果是侵入式 Hook 自身 APP 可将参数 [instance] 置空获得当前类的 [ClassLoader]
- * @param instance 对接 Xposed API 的 [XC_LoadPackage.LoadPackageParam]
+ * @param instance 对接 Xposed API 的 [XC_LoadPackage.LoadPackageParam] - 默认空
+ * @param customInstance 自定义装载类 - 默认空
  */
-class PackageParam(private val instance: XC_LoadPackage.LoadPackageParam? = null) {
-
-    /** 当前 classLoader */
-    private var privateClassLoader = instance?.classLoader ?: javaClass.classLoader
+class PackageParam(
+    private val instance: XC_LoadPackage.LoadPackageParam? = null,
+    private val customInstance: CustomParam? = null
+) {
 
     /**
-     * 获取、设置当前 APP 的 [ClassLoader]
+     * 获取当前 APP 的 [ClassLoader]
      * @return [ClassLoader]
+     * @throws IllegalStateException 如果 ClassLoader 是空的
      */
-    var appClassLoader: ClassLoader
-        get() = privateClassLoader
-        set(value) {
-            privateClassLoader = value
-        }
+    val appClassLoader
+        get() = instance?.classLoader ?: customInstance?.appClassLoader ?: javaClass.classLoader
+        ?: error("PackageParam ClassLoader is null")
 
     /**
      * 获取当前 APP 的 [ApplicationInfo]
      * @return [ApplicationInfo]
      */
-    val appInfo get() = instance?.appInfo ?: ApplicationInfo()
+    val appInfo get() = instance?.appInfo ?: customInstance?.appInfo ?: ApplicationInfo()
 
     /**
      * 获取当前 APP 的进程名称
@@ -42,11 +70,35 @@ class PackageParam(private val instance: XC_LoadPackage.LoadPackageParam? = null
      * 获取当前 APP 的包名
      * @return [String]
      */
-    val packageName get() = instance?.packageName ?: ""
+    val packageName get() = instance?.packageName ?: customInstance?.packageName ?: ""
 
     /**
      * 获取当前 APP 是否为第一个 Application
      * @return [Boolean]
      */
     val isFirstApplication get() = instance?.isFirstApplication ?: true
+
+    /**
+     * Hook 指定包名的 APP
+     * @param name 包名
+     * @param initiate 方法体
+     */
+    fun optApp(name: String, initiate: PackageParam.() -> Unit) {
+        if (packageName == name) initiate(this)
+    }
+
+    /**
+     * 通过字符串装载 [Class]
+     * @param name 类名
+     * @return [Class]
+     * @throws NoClassDefFoundError 如果找不到类会报错
+     */
+    fun classOf(name: String): Class<*> = appClassLoader.loadClass(name)
+
+    /**
+     * Hook 方法、构造类
+     * @param initiate 方法体
+     */
+    fun Class<*>.hook(initiate: YukiHookCreater.() -> Unit) =
+        YukiHookCreater(param = this@PackageParam).apply(initiate).hook()
 }