1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file 5 * except in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the 10 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 11 * KIND, either express or implied. See the License for the specific language governing 12 * permissions and limitations under the License. 13 */ 14 15 package android.testing; 16 17 import android.content.pm.ApplicationInfo; 18 import android.graphics.PixelFormat; 19 import android.support.test.InstrumentationRegistry; 20 import android.view.View; 21 import android.view.WindowManager; 22 import android.view.WindowManager.LayoutParams; 23 24 public class ViewUtils { 25 attachView(View view)26 public static void attachView(View view) { 27 // Make sure hardware acceleration isn't turned on. 28 view.getContext().getApplicationInfo().flags &= 29 ~(ApplicationInfo.FLAG_HARDWARE_ACCELERATED); 30 WindowManager.LayoutParams lp = new WindowManager.LayoutParams( 31 LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT, 32 LayoutParams.TYPE_APPLICATION_OVERLAY, 33 0, PixelFormat.TRANSLUCENT); 34 view.getContext().getSystemService(WindowManager.class).addView(view, lp); 35 } 36 detachView(View view)37 public static void detachView(View view) { 38 view.getContext().getSystemService(WindowManager.class).removeViewImmediate(view); 39 } 40 } 41