1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.packageinstaller.permission.ui; 17 18 import android.app.Activity; 19 import android.app.AppOpsManager; 20 import android.os.Binder; 21 import android.os.IBinder; 22 23 public class OverlayTouchActivity extends Activity { 24 private final IBinder mToken = new Binder(); 25 26 @Override 27 protected void onResume() { 28 super.onResume(); 29 setOverlayAllowed(false); 30 } 31 32 @Override 33 protected void onPause() { 34 super.onPause(); 35 setOverlayAllowed(true); 36 } 37 38 private void setOverlayAllowed(boolean allowed) { 39 AppOpsManager appOpsManager = getSystemService(AppOpsManager.class); 40 if (appOpsManager != null) { 41 appOpsManager.setUserRestriction(AppOpsManager.OP_SYSTEM_ALERT_WINDOW, 42 !allowed, mToken); 43 appOpsManager.setUserRestriction(AppOpsManager.OP_TOAST_WINDOW, 44 !allowed, mToken); 45 } 46 } 47 } 48
