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
15package android.testing;
16
17import android.content.pm.ApplicationInfo;
18import android.graphics.PixelFormat;
19import android.support.test.InstrumentationRegistry;
20import android.view.View;
21import android.view.WindowManager;
22import android.view.WindowManager.LayoutParams;
23
24public class ViewUtils {
25
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
37    public static void detachView(View view) {
38        view.getContext().getSystemService(WindowManager.class).removeViewImmediate(view);
39    }
40}
41