code: package com.lody.virtual.client.hook.proxies.appops;
  
  import android.annotation.TargetApi;
  import android.content.Context;
  import android.os.Build;
  
  import com.lody.virtual.client.hook.base.BinderInvocationProxy;
  import com.lody.virtual.client.hook.base.MethodProxy;
  import com.lody.virtual.client.hook.base.ReplaceLastPkgMethodProxy;
  import com.lody.virtual.client.hook.base.StaticMethodProxy;
  
  import java.lang.reflect.Method;
  
  import mirror.com.android.internal.app.IAppOpsService;
  
  /**
   * @author Lody
   *         <p>
   *         Fuck the AppOpsService.
   * @see android.app.AppOpsManager
   */
  @TargetApi(Build.VERSION_CODES.KITKAT)
  public class AppOpsManagerStub extends BinderInvocationProxy {
  
      public AppOpsManagerStub() {
          super(IAppOpsService.Stub.asInterface, Context.APP_OPS_SERVICE);
      }
  
      @Override
      protected void onBindMethods() {
          super.onBindMethods();
          addMethodProxy(new BaseMethodProxy("checkOperation", 1, 2));
          addMethodProxy(new BaseMethodProxy("noteOperation", 1, 2));
          addMethodProxy(new BaseMethodProxy("startOperation", 2, 3));
          addMethodProxy(new BaseMethodProxy("finishOperation", 2, 3));
          addMethodProxy(new BaseMethodProxy("startWatchingMode", -1, 1));
          addMethodProxy(new BaseMethodProxy("checkPackage", 0, 1));
          addMethodProxy(new BaseMethodProxy("getOpsForPackage", 0, 1));
          addMethodProxy(new BaseMethodProxy("setMode", 1, 2));
          addMethodProxy(new BaseMethodProxy("checkAudioOperation", 2, 3));
          addMethodProxy(new BaseMethodProxy("setAudioRestriction", 2, -1));
          addMethodProxy(new ReplaceLastPkgMethodProxy("resetAllModes"));
          addMethodProxy(new MethodProxy() {
              @Override
              public String getMethodName() {
                  return "noteProxyOperation";
              }
  
              @Override
              public Object call(Object who, Method method, Object... args) throws Throwable {
                  return 0;
              }
          });
      }
  
      private class BaseMethodProxy extends StaticMethodProxy {
          final int pkgIndex;
          final int uidIndex;
  
          BaseMethodProxy(String name, int uidIndex, int pkgIndex) {
              super(name);
              this.pkgIndex = pkgIndex;
              this.uidIndex = uidIndex;
          }
  
          @Override
          public boolean beforeCall(Object who, Method method, Object... args) {
              if (pkgIndex != -1 && args.length > pkgIndex && args[pkgIndex] instanceof String) {
                  args[pkgIndex] = getHostPkg();
              }
              if (uidIndex != -1 && args[uidIndex] instanceof Integer) {
                  args[uidIndex] = getRealUid();
              }
              return true;
          }
      }
  }
  