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termux-app/termux-shared/src/main/java/com/termux/shared/android/PackageUtils.java

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package com.termux.shared.android;
import android.app.ActivityManager;
import android.app.admin.DevicePolicyManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.UserHandle;
import android.os.UserManager;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi;
import com.termux.shared.R;
import com.termux.shared.data.DataUtils;
import com.termux.shared.interact.MessageDialogUtils;
import com.termux.shared.logger.Logger;
import com.termux.shared.reflection.ReflectionUtils;
import java.lang.reflect.Field;
import java.security.MessageDigest;
import java.util.List;
public class PackageUtils {
private static final String LOG_TAG = "PackageUtils";
/**
* Get the {@link Context} for the package name with {@link Context#CONTEXT_RESTRICTED} flags.
*
* @param context The {@link Context} to use to get the {@link Context} of the {@code packageName}.
* @param packageName The package name whose {@link Context} to get.
* @return Returns the {@link Context}. This will {@code null} if an exception is raised.
*/
@Nullable
public static Context getContextForPackage(@NonNull final Context context, String packageName) {
return getContextForPackage(context, packageName, Context.CONTEXT_RESTRICTED);
}
/**
* Get the {@link Context} for the package name.
*
* @param context The {@link Context} to use to get the {@link Context} of the {@code packageName}.
* @param packageName The package name whose {@link Context} to get.
* @param flags The flags for {@link Context} type.
* @return Returns the {@link Context}. This will {@code null} if an exception is raised.
*/
@Nullable
public static Context getContextForPackage(@NonNull final Context context, String packageName, int flags) {
try {
return context.createPackageContext(packageName, flags);
} catch (Exception e) {
Logger.logVerbose(LOG_TAG, "Failed to get \"" + packageName + "\" package context with flags " + flags + ": " + e.getMessage());
return null;
}
}
/**
* Get the {@link Context} for a package name.
*
* @param context The {@link Context} to use to get the {@link Context} of the {@code packageName}.
* @param packageName The package name whose {@link Context} to get.
* @param exitAppOnError If {@code true} and failed to get package context, then a dialog will
* be shown which when dismissed will exit the app.
* @param helpUrl The help user to add to {@link R.string#error_get_package_context_failed_help_url_message}.
* @return Returns the {@link Context}. This will {@code null} if an exception is raised.
*/
@Nullable
public static Context getContextForPackageOrExitApp(@NonNull Context context, String packageName,
final boolean exitAppOnError, @Nullable String helpUrl) {
Context packageContext = getContextForPackage(context, packageName);
if (packageContext == null && exitAppOnError) {
String errorMessage = context.getString(R.string.error_get_package_context_failed_message,
packageName);
if (!DataUtils.isNullOrEmpty(helpUrl))
errorMessage += "\n" + context.getString(R.string.error_get_package_context_failed_help_url_message, helpUrl);
Logger.logError(LOG_TAG, errorMessage);
MessageDialogUtils.exitAppWithErrorMessage(context,
context.getString(R.string.error_get_package_context_failed_title),
errorMessage);
}
return packageContext;
}
/**
* Get the {@link PackageInfo} for the package associated with the {@code context}.
*
* @param context The {@link Context} for the package.
* @return Returns the {@link PackageInfo}. This will be {@code null} if an exception is raised.
*/
public static PackageInfo getPackageInfoForPackage(@NonNull final Context context) {
return getPackageInfoForPackage(context, context.getPackageName());
}
/**
* Get the {@link PackageInfo} for the package associated with the {@code context}.
*
* @param context The {@link Context} for the package.
* @param flags The flags to pass to {@link PackageManager#getPackageInfo(String, int)}.
* @return Returns the {@link PackageInfo}. This will be {@code null} if an exception is raised.
*/
@Nullable
public static PackageInfo getPackageInfoForPackage(@NonNull final Context context, final int flags) {
return getPackageInfoForPackage(context, context.getPackageName(), flags);
}
/**
* Get the {@link PackageInfo} for the package associated with the {@code packageName}.
*
* @param context The {@link Context} for operations.
* @param packageName The package name of the package.
* @return Returns the {@link PackageInfo}. This will be {@code null} if an exception is raised.
*/
public static PackageInfo getPackageInfoForPackage(@NonNull final Context context, @NonNull final String packageName) {
return getPackageInfoForPackage(context, packageName, 0);
}
/**
* Get the {@link PackageInfo} for the package associated with the {@code packageName}.
*
* Also check {@link #isAppInstalled(Context, String, String) if targetting targeting sdk
* `30` (android `11`) since {@link PackageManager.NameNotFoundException} may be thrown.
*
* @param context The {@link Context} for operations.
* @param packageName The package name of the package.
* @param flags The flags to pass to {@link PackageManager#getPackageInfo(String, int)}.
* @return Returns the {@link PackageInfo}. This will be {@code null} if an exception is raised.
*/
@Nullable
public static PackageInfo getPackageInfoForPackage(@NonNull final Context context, @NonNull final String packageName, final int flags) {
try {
return context.getPackageManager().getPackageInfo(packageName, flags);
} catch (final Exception e) {
return null;
}
}
/**
* Get the {@link ApplicationInfo} for the {@code packageName}.
*
* @param context The {@link Context} for operations.
* @param packageName The package name of the package.
* @return Returns the {@link ApplicationInfo}. This will be {@code null} if an exception is raised.
*/
@Nullable
public static ApplicationInfo getApplicationInfoForPackage(@NonNull final Context context, @NonNull final String packageName) {
return getApplicationInfoForPackage(context, packageName, 0);
}
/**
* Get the {@link ApplicationInfo} for the {@code packageName}.
*
* Also check {@link #isAppInstalled(Context, String, String) if targetting targeting sdk
* `30` (android `11`) since {@link PackageManager.NameNotFoundException} may be thrown.
*
* @param context The {@link Context} for operations.
* @param packageName The package name of the package.
* @param flags The flags to pass to {@link PackageManager#getApplicationInfo(String, int)}.
* @return Returns the {@link ApplicationInfo}. This will be {@code null} if an exception is raised.
*/
@Nullable
public static ApplicationInfo getApplicationInfoForPackage(@NonNull final Context context, @NonNull final String packageName, final int flags) {
try {
return context.getPackageManager().getApplicationInfo(packageName, flags);
} catch (final Exception e) {
return null;
}
}
/**
* Get the {@code privateFlags} {@link Field} of the {@link ApplicationInfo} class.
*
* @param applicationInfo The {@link ApplicationInfo} for the package.
* @return Returns the private flags or {@code null} if an exception was raised.
*/
@Nullable
public static Integer getApplicationInfoPrivateFlagsForPackage(@NonNull final ApplicationInfo applicationInfo) {
ReflectionUtils.bypassHiddenAPIReflectionRestrictions();
try {
return (Integer) ReflectionUtils.invokeField(ApplicationInfo.class, "privateFlags", applicationInfo).value;
} catch (Exception e) {
// ClassCastException may be thrown
Logger.logStackTraceWithMessage(LOG_TAG, "Failed to get privateFlags field value for ApplicationInfo class", e);
return null;
}
}
/**
* Get the {@code privateFlags} {@link Field} of the {@link ApplicationInfo} class.
*
* @param fieldName The name of the field to get.
* @return Returns the field value or {@code null} if an exception was raised.
*/
@Nullable
public static Integer getApplicationInfoStaticIntFieldValue(@NonNull String fieldName) {
ReflectionUtils.bypassHiddenAPIReflectionRestrictions();
try {
return (Integer) ReflectionUtils.invokeField(ApplicationInfo.class, fieldName, null).value;
} catch (Exception e) {
// ClassCastException may be thrown
Logger.logStackTraceWithMessage(LOG_TAG, "Failed to get \"" + fieldName + "\" field value for ApplicationInfo class", e);
return null;
}
}
/**
* Check if the app associated with the {@code applicationInfo} has a specific flag set.
*
* @param flagToCheckName The name of the field for the flag to check.
* @param applicationInfo The {@link ApplicationInfo} for the package.
* @return Returns {@code true} if app has flag is set, otherwise {@code false}. This will be
* {@code null} if an exception is raised.
*/
@Nullable
public static Boolean isApplicationInfoPrivateFlagSetForPackage(@NonNull String flagToCheckName, @NonNull final ApplicationInfo applicationInfo) {
Integer privateFlags = getApplicationInfoPrivateFlagsForPackage(applicationInfo);
if (privateFlags == null) return null;
Integer flagToCheck = getApplicationInfoStaticIntFieldValue(flagToCheckName);
if (flagToCheck == null) return null;
return ( 0 != ( privateFlags & flagToCheck ) );
}
/**
* Get the app name for the package associated with the {@code context}.
*
* @param context The {@link Context} for the package.
* @return Returns the {@code android:name} attribute.
*/
public static String getAppNameForPackage(@NonNull final Context context) {
return getAppNameForPackage(context, context.getApplicationInfo());
}
/**
* Get the app name for the package associated with the {@code applicationInfo}.
*
* @param context The {@link Context} for operations.
* @param applicationInfo The {@link ApplicationInfo} for the package.
* @return Returns the {@code android:name} attribute.
*/
public static String getAppNameForPackage(@NonNull final Context context, @NonNull final ApplicationInfo applicationInfo) {
return applicationInfo.loadLabel(context.getPackageManager()).toString();
}
/**
* Get the package name for the package associated with the {@code context}.
*
* @param context The {@link Context} for the package.
* @return Returns the package name.
*/
public static String getPackageNameForPackage(@NonNull final Context context) {
return getPackageNameForPackage(context.getApplicationInfo());
}
/**
* Get the package name for the package associated with the {@code applicationInfo}.
*
* @param applicationInfo The {@link ApplicationInfo} for the package.
* @return Returns the package name.
*/
public static String getPackageNameForPackage(@NonNull final ApplicationInfo applicationInfo) {
return applicationInfo.packageName;
}
/**
* Get the uid for the package associated with the {@code context}.
*
* @param context The {@link Context} for the package.
* @return Returns the uid.
*/
public static int getUidForPackage(@NonNull final Context context) {
return getUidForPackage(context.getApplicationInfo());
}
/**
* Get the uid for the package associated with the {@code applicationInfo}.
*
* @param applicationInfo The {@link ApplicationInfo} for the package.
* @return Returns the uid.
*/
public static int getUidForPackage(@NonNull final ApplicationInfo applicationInfo) {
return applicationInfo.uid;
}
/**
* Get the {@code targetSdkVersion} for the package associated with the {@code context}.
*
* @param context The {@link Context} for the package.
* @return Returns the {@code targetSdkVersion}.
*/
public static int getTargetSDKForPackage(@NonNull final Context context) {
return getTargetSDKForPackage(context.getApplicationInfo());
}
/**
* Get the {@code targetSdkVersion} for the package associated with the {@code applicationInfo}.
*
* @param applicationInfo The {@link ApplicationInfo} for the package.
* @return Returns the {@code targetSdkVersion}.
*/
public static int getTargetSDKForPackage(@NonNull final ApplicationInfo applicationInfo) {
return applicationInfo.targetSdkVersion;
}
/**
* Check if the app associated with the {@code context} has {@link ApplicationInfo#FLAG_DEBUGGABLE}
* set.
*
* @param context The {@link Context} for the package.
* @return Returns {@code true} if app is debuggable, otherwise {@code false}.
*/
public static boolean isAppForPackageADebuggableBuild(@NonNull final Context context) {
return isAppForPackageADebuggableBuild(context.getApplicationInfo());
}
/**
* Check if the app associated with the {@code applicationInfo} has {@link ApplicationInfo#FLAG_DEBUGGABLE}
* set.
*
* @param applicationInfo The {@link ApplicationInfo} for the package.
* @return Returns {@code true} if app is debuggable, otherwise {@code false}.
*/
public static boolean isAppForPackageADebuggableBuild(@NonNull final ApplicationInfo applicationInfo) {
return ( 0 != ( applicationInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE ) );
}
/**
* Check if the app associated with the {@code context} has {@link ApplicationInfo#FLAG_EXTERNAL_STORAGE}
* set.
*
* @param context The {@link Context} for the package.
* @return Returns {@code true} if app is installed on external storage, otherwise {@code false}.
*/
public static boolean isAppInstalledOnExternalStorage(@NonNull final Context context) {
return isAppInstalledOnExternalStorage(context.getApplicationInfo());
}
/**
* Check if the app associated with the {@code applicationInfo} has {@link ApplicationInfo#FLAG_EXTERNAL_STORAGE}
* set.
*
* @param applicationInfo The {@link ApplicationInfo} for the package.
* @return Returns {@code true} if app is installed on external storage, otherwise {@code false}.
*/
public static boolean isAppInstalledOnExternalStorage(@NonNull final ApplicationInfo applicationInfo) {
return ( 0 != ( applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE ) );
}
/**
* Check if the app associated with the {@code context} has
* ApplicationInfo.PRIVATE_FLAG_REQUEST_LEGACY_EXTERNAL_STORAGE (requestLegacyExternalStorage)
* set to {@code true} in app manifest.
*
* @param context The {@link Context} for the package.
* @return Returns {@code true} if app has requested legacy external storage, otherwise
* {@code false}. This will be {@code null} if an exception is raised.
*/
@Nullable
public static Boolean hasRequestedLegacyExternalStorage(@NonNull final Context context) {
return hasRequestedLegacyExternalStorage(context.getApplicationInfo());
}
/**
* Check if the app associated with the {@code applicationInfo} has
* ApplicationInfo.PRIVATE_FLAG_REQUEST_LEGACY_EXTERNAL_STORAGE (requestLegacyExternalStorage)
* set to {@code true} in app manifest.
*
* @param applicationInfo The {@link ApplicationInfo} for the package.
* @return Returns {@code true} if app has requested legacy external storage, otherwise
* {@code false}. This will be {@code null} if an exception is raised.
*/
@Nullable
public static Boolean hasRequestedLegacyExternalStorage(@NonNull final ApplicationInfo applicationInfo) {
return isApplicationInfoPrivateFlagSetForPackage("PRIVATE_FLAG_REQUEST_LEGACY_EXTERNAL_STORAGE", applicationInfo);
}
/**
* Get the {@code versionCode} for the package associated with the {@code context}.
*
* @param context The {@link Context} for the package.
* @return Returns the {@code versionCode}. This will be {@code null} if an exception is raised.
*/
@Nullable
public static Integer getVersionCodeForPackage(@NonNull final Context context) {
return getVersionCodeForPackage(context, context.getPackageName());
}
/**
* Get the {@code versionCode} for the {@code packageName}.
*
* @param context The {@link Context} for operations.
* @param packageName The package name of the package.
* @return Returns the {@code versionCode}. This will be {@code null} if an exception is raised.
*/
@Nullable
public static Integer getVersionCodeForPackage(@NonNull final Context context, @NonNull final String packageName) {
return getVersionCodeForPackage(getPackageInfoForPackage(context, packageName));
}
/**
* Get the {@code versionCode} for the {@code packageName}.
*
* @param packageInfo The {@link PackageInfo} for the package.
* @return Returns the {@code versionCode}. This will be {@code null} if an exception is raised.
*/
@Nullable
public static Integer getVersionCodeForPackage(@Nullable final PackageInfo packageInfo) {
return packageInfo != null ? packageInfo.versionCode : null;
}
/**
* Get the {@code versionName} for the package associated with the {@code context}.
*
* @param context The {@link Context} for the package.
* @return Returns the {@code versionName}. This will be {@code null} if an exception is raised.
*/
@Nullable
public static String getVersionNameForPackage(@NonNull final Context context) {
return getVersionNameForPackage(context, context.getPackageName());
}
/**
* Get the {@code versionName} for the {@code packageName}.
*
* @param context The {@link Context} for operations.
* @param packageName The package name of the package.
* @return Returns the {@code versionName}. This will be {@code null} if an exception is raised.
*/
@Nullable
public static String getVersionNameForPackage(@NonNull final Context context, @NonNull final String packageName) {
return getVersionNameForPackage(getPackageInfoForPackage(context, packageName));
}
/**
* Get the {@code versionName} for the {@code packageName}.
*
* @param packageInfo The {@link PackageInfo} for the package.
* @return Returns the {@code versionName}. This will be {@code null} if an {@code packageInfo}
* is {@code null}.
*/
@Nullable
public static String getVersionNameForPackage(@Nullable final PackageInfo packageInfo) {
return packageInfo != null ? packageInfo.versionName : null;
}
/**
* Get the {@code SHA-256 digest} of signing certificate for the package associated with the {@code context}.
*
* @param context The {@link Context} for the package.
* @return Returns the {@code SHA-256 digest}. This will be {@code null} if an exception is raised.
*/
@Nullable
public static String getSigningCertificateSHA256DigestForPackage(@NonNull final Context context) {
return getSigningCertificateSHA256DigestForPackage(context, context.getPackageName());
}
/**
* Get the {@code SHA-256 digest} of signing certificate for the {@code packageName}.
*
* @param context The {@link Context} for operations.
* @param packageName The package name of the package.
* @return Returns the {@code SHA-256 digest}. This will be {@code null} if an exception is raised.
*/
@Nullable
public static String getSigningCertificateSHA256DigestForPackage(@NonNull final Context context, @NonNull final String packageName) {
try {
/*
* Todo: We may need AndroidManifest queries entries if package is installed but with a different signature on android 11
* https://developer.android.com/training/package-visibility
* Need a device that allows (manual) installation of apk with mismatched signature of
* sharedUserId apps to test. Currently, if its done, PackageManager just doesn't load
* the package and removes its apk automatically if its installed as a user app instead of system app
* W/PackageManager: Failed to parse /path/to/com.termux.tasker.apk: Signature mismatch for shared user: SharedUserSetting{xxxxxxx com.termux/10xxx}
*/
PackageInfo packageInfo = getPackageInfoForPackage(context, packageName, PackageManager.GET_SIGNATURES);
if (packageInfo == null) return null;
return DataUtils.bytesToHex(MessageDigest.getInstance("SHA-256").digest(packageInfo.signatures[0].toByteArray()));
} catch (final Exception e) {
return null;
}
}
/**
* Get the serial number for the user for the package associated with the {@code context}.
*
* @param context The {@link Context} for the package.
* @return Returns the serial number. This will be {@code null} if failed to get it.
*/
@RequiresApi(api = Build.VERSION_CODES.N)
@Nullable
public static Long getUserIdForPackage(@NonNull Context context) {
UserManager userManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
if (userManager == null) return null;
return userManager.getSerialNumberForUser(UserHandle.getUserHandleForUid(getUidForPackage(context)));
}
/**
* Check if the current user is the primary user. This is done by checking if the the serial
* number for the current user equals 0.
*
* @param context The {@link Context} for operations.
* @return Returns {@code true} if the current user is the primary user, otherwise [@code false}.
*/
@RequiresApi(api = Build.VERSION_CODES.N)
public static boolean isCurrentUserThePrimaryUser(@NonNull Context context) {
Long userId = getUserIdForPackage(context);
return userId != null && userId == 0;
}
/**
* Get the profile owner package name for the current user.
*
* @param context The {@link Context} for operations.
* @return Returns the profile owner package name. This will be {@code null} if failed to get it
* or no profile owner for the current user.
*/
@Nullable
public static String getProfileOwnerPackageNameForUser(@NonNull Context context) {
DevicePolicyManager devicePolicyManager = (DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE);
if (devicePolicyManager == null) return null;
List<ComponentName> activeAdmins = devicePolicyManager.getActiveAdmins();
if (activeAdmins != null){
for (ComponentName admin:activeAdmins){
String packageName = admin.getPackageName();
if(devicePolicyManager.isProfileOwnerApp(packageName))
return packageName;
}
}
return null;
}
/**
* Get the process id of the main app process of a package. This will work for sharedUserId. Note
* that some apps have multiple processes for the app like with `android:process=":background"`
* attribute in AndroidManifest.xml.
*
* @param context The {@link Context} for operations.
* @param packageName The package name of the process.
* @return Returns the process if found and running, otherwise {@code null}.
*/
@Nullable
public static String getPackagePID(final Context context, String packageName) {
ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
if (activityManager != null) {
List<ActivityManager.RunningAppProcessInfo> processInfos = activityManager.getRunningAppProcesses();
if (processInfos != null) {
ActivityManager.RunningAppProcessInfo processInfo;
for (int i = 0; i < processInfos.size(); i++) {
processInfo = processInfos.get(i);
if (processInfo.processName.equals(packageName))
return String.valueOf(processInfo.pid);
}
}
}
return null;
}
/**
* Check if app is installed and enabled. This can be used by external apps that don't
* share `sharedUserId` with the an app.
*
* If your third-party app is targeting sdk `30` (android `11`), then it needs to add package
* name to the `queries` element or request `QUERY_ALL_PACKAGES` permission in its
* `AndroidManifest.xml`. Otherwise it will get `PackageSetting{...... package_name/......} BLOCKED`
* errors in `logcat` and {@link PackageManager.NameNotFoundException} may be thrown.
* `RUN_COMMAND` intent won't work either.
* Check [package-visibility](https://developer.android.com/training/basics/intents/package-visibility#package-name),
* `QUERY_ALL_PACKAGES` [googleplay policy](https://support.google.com/googleplay/android-developer/answer/10158779
* and this [article](https://medium.com/androiddevelopers/working-with-package-visibility-dc252829de2d) for more info.
*
* {@code
* <manifest
* <queries>
* <package android:name="com.termux" />
* </queries>
*
* <application
* ....
* </application>
* </manifest>
* }
*
* @param context The context for operations.
* @param appName The name of the app.
* @param packageName The package name of the package.
* @return Returns {@code errmsg} if {@code packageName} is not installed or disabled, otherwise {@code null}.
*/
public static String isAppInstalled(@NonNull final Context context, String appName, String packageName) {
String errmsg = null;
ApplicationInfo applicationInfo = getApplicationInfoForPackage(context, packageName);
boolean isAppEnabled = (applicationInfo != null && applicationInfo.enabled);
// If app is not installed or is disabled
if (!isAppEnabled)
errmsg = context.getString(R.string.error_app_not_installed_or_disabled_warning, appName, packageName);
return errmsg;
}
/**
* Enable or disable a {@link ComponentName} with a call to
* {@link PackageManager#setComponentEnabledSetting(ComponentName, int, int)}.
*
* @param context The {@link Context} for operations.
* @param packageName The package name of the component.
* @param className The {@link Class} name of the component.
* @param state If component should be enabled or disabled.
* @param toastString If this is not {@code null} or empty, then a toast before setting state.
* @param showErrorMessage If an error message toast should be shown.
* @return Returns the errmsg if failed to set state, otherwise {@code null}.
*/
@Nullable
public static String setComponentState(@NonNull final Context context, @NonNull String packageName,
@NonNull String className, boolean state, String toastString,
boolean showErrorMessage) {
try {
PackageManager packageManager = context.getPackageManager();
if (packageManager != null) {
ComponentName componentName = new ComponentName(packageName, className);
if (toastString != null) Logger.showToast(context, toastString, true);
packageManager.setComponentEnabledSetting(componentName,
state ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
PackageManager.DONT_KILL_APP);
}
return null;
} catch (final Exception e) {
String errmsg = context.getString(
state ? R.string.error_enable_component_failed : R.string.error_disable_component_failed,
packageName, className) + ": " + e.getMessage();
if (showErrorMessage)
Logger.showToast(context, errmsg, true);
return errmsg;
}
}
/**
* Check if state of a {@link ComponentName} is {@link PackageManager#COMPONENT_ENABLED_STATE_DISABLED}
* with a call to {@link PackageManager#getComponentEnabledSetting(ComponentName)}.
*
* @param context The {@link Context} for operations.
* @param packageName The package name of the component.
* @param className The {@link Class} name of the component.
* @param logErrorMessage If an error message should be logged.
* @return Returns {@code true} if disabled, {@code false} if not and {@code null} if failed to
* get the state.
*/
public static Boolean isComponentDisabled(@NonNull final Context context, @NonNull String packageName,
@NonNull String className, boolean logErrorMessage) {
try {
PackageManager packageManager = context.getPackageManager();
if (packageManager != null) {
ComponentName componentName = new ComponentName(packageName, className);
// Will throw IllegalArgumentException: Unknown component: ComponentInfo{} if app
// for context is not installed or component does not exist.
return packageManager.getComponentEnabledSetting(componentName) == PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
}
} catch (final Exception e) {
if (logErrorMessage)
Logger.logStackTraceWithMessage(LOG_TAG, context.getString(R.string.error_get_component_state_failed, packageName, className), e);
}
return null;
}
/**
* Check if an {@link android.app.Activity} {@link ComponentName} can be called by calling
* {@link PackageManager#queryIntentActivities(Intent, int)}.
*
* @param context The {@link Context} for operations.
* @param packageName The package name of the component.
* @param className The {@link Class} name of the component.
* @param flags The flags to filter results.
* @return Returns {@code true} if it exists, otherwise {@code false}.
*/
public static boolean doesActivityComponentExist(@NonNull final Context context, @NonNull String packageName,
@NonNull String className, int flags) {
try {
PackageManager packageManager = context.getPackageManager();
if (packageManager != null) {
Intent intent = new Intent();
intent.setClassName(packageName, className);
return packageManager.queryIntentActivities(intent, flags).size() > 0;
}
} catch (final Exception e) {
// ignore
}
return false;
}
}
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