1 /*
2  * Copyright (C) 2018 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 
17 package com.android.server.wm.flicker.testapp;
18 
19 import static android.os.SystemClock.sleep;
20 
21 import static com.android.server.wm.flicker.testapp.ActivityOptions.EXTRA_STARVE_UI_THREAD;
22 
23 import android.app.Activity;
24 import android.os.Bundle;
25 import android.os.Handler;
26 import android.os.Looper;
27 import android.os.Message;
28 import android.view.Window;
29 import android.view.WindowManager;
30 
31 import java.util.Timer;
32 import java.util.TimerTask;
33 
34 public class SeamlessRotationActivity extends Activity {
35 
36     @Override
onCreate(Bundle savedInstanceState)37     public void onCreate(Bundle savedInstanceState) {
38         super.onCreate(savedInstanceState);
39         enableSeamlessRotation();
40         setContentView(R.layout.activity_simple);
41         boolean starveUiThread = getIntent().getExtras() != null
42                 && getIntent().getExtras().getBoolean(EXTRA_STARVE_UI_THREAD);
43         if (starveUiThread) {
44             starveUiThread();
45         }
46     }
47 
starveUiThread()48     private void starveUiThread() {
49         Handler handler = new Handler(Looper.getMainLooper(), (Message unused) -> {
50             sleep(20);
51             return true;
52         });
53         new Timer().schedule(new TimerTask() {
54             @Override
55             public void run() {
56                 handler.sendEmptyMessage(0);
57             }
58         }, 0, 21);
59     }
60 
enableSeamlessRotation()61     private void enableSeamlessRotation() {
62         WindowManager.LayoutParams p = getWindow().getAttributes();
63         p.rotationAnimation = WindowManager.LayoutParams.ROTATION_ANIMATION_SEAMLESS;
64         p.layoutInDisplayCutoutMode = WindowManager.LayoutParams
65                 .LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES;
66         requestWindowFeature(Window.FEATURE_NO_TITLE);
67         getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
68                 WindowManager.LayoutParams.FLAG_FULLSCREEN);
69         getWindow().setAttributes(p);
70     }
71 }
72