xposed.java

   1 import java.lang.reflect.Method;\r
   2 \r
   3 import de.robv.android.xposed.IXposedHookCmdInit;\r
   4 import de.robv.android.xposed.XC_MethodHook;\r
   5 import de.robv.android.xposed.XposedBridge;\r
   6 import de.robv.android.xposed.XposedHelpers;\r
   7 import de.robv.android.xposed.callbacks.XC_LoadPackage;\r
   8 \r
   9 public class Mypackage implements IXposedHookCmdInit\r
  10 {\r
  11     @Override\r
  12     public void initCmdApp(StartupParam startupParam) throws Throwable {\r
  13         if (!startupParam.startClassName.equals("com.android.commands.pm.Pm")) {\r
  14             return;\r
  15         }\r
  16         //XposedBridge.log("startup:" + startupParam.startClassName);\r
  17 \r
  18         /*\r
  19          Final Fantasy 3 has a native library lib__57d5__.so that tries to clear the data\r
  20          for all apk files in /data/app/. We do not know why.\r
  21 \r
  22          It fails to do this for root-owned packages like this xposed module.\r
  23          See\r
  24          https://forum.xda-developers.com/xposed/framework-xposed-rom-modding-modifying-t1574401/page170#1700\r
  25 \r
  26          We simply prevent it from doing that.\r
  27 \r
  28          https://android.googlesource.com/platform/frameworks/base/+/refs/tags/android-4.1.2_r1/core/java/android/app/ActivityManagerNative.java#2880\r
  29 \r
  30          public boolean clearApplicationUserData(\r
  31              String packageName, IPackageDataObserver observer, final int userId\r
  32          )\r
  33          */\r
  34         XposedHelpers.findAndHookMethod(\r
  35             "android.app.ActivityManagerProxy",\r
  36             null,\r
  37             "clearApplicationUserData",\r
  38             String.class,\r
  39             "android.content.pm.IPackageDataObserver",\r
  40             int.class,\r
  41             new XC_MethodHook() {\r
  42                 @Override\r
  43                 protected void beforeHookedMethod(MethodHookParam param) throws Throwable {\r
  44                     String packageName = (String) param.args[0];\r
  45                     XposedBridge.log("clearApplicationUserData: " + packageName);\r
  46                     if (!packageName.equals("mypackage")) {\r
  47                         return;\r
  48                     }\r
  49 \r
  50                     param.setResult(true);\r
  51 \r
  52                     //we do not have direct access to IPackageDataObserver, so we have to dance\r
  53                     Object observer = param.args[1];\r
  54                     if(observer != null) {\r
  55                         Class<?> iPackageDataObserverClass = Class.forName("android.content.pm.IPackageDataObserver");\r
  56                         Class<?>[] paramTypes = {String.class, boolean.class};\r
  57                         Method onRemoveCompletedMethod = iPackageDataObserverClass.getMethod("onRemoveCompleted", paramTypes);\r
  58                         Object[] params = {packageName, true};\r
  59                         try {\r
  60                             onRemoveCompletedMethod.invoke(observer, params);\r
  61                             //observer.onRemoveCompleted(packageName, true);\r
  62                         } catch (Exception e) {\r
  63                             XposedBridge.log("Observer no longer exists.");\r
  64                         }\r
  65                     }\r
  66                     //end dance\r
  67                 }\r
  68             }\r
  69         );\r
  70 \r
  71     }\r
  72 }\r