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1 /*
2  * Copyright (C) 2008 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 android.view.animation.cts;
18 
19 import android.app.Activity;
20 import android.os.Bundle;
21 import android.view.cts.R;
22 
23 import java.util.concurrent.TimeUnit;
24 
25 public class AnimationTestCtsActivity extends Activity {
26     final static long VISIBLE_TIMEOUT = TimeUnit.SECONDS.toNanos(3);
27     private boolean mIsVisible;
28 
isVisible()29     public boolean isVisible() {
30         return mIsVisible;
31     }
32 
33     @Override
onCreate(Bundle savedInstanceState)34     protected void onCreate(Bundle savedInstanceState) {
35         super.onCreate(savedInstanceState);
36         setContentView(R.layout.anim_layout);
37     }
38 
39     @Override
onResume()40     protected void onResume() {
41         super.onResume();
42         mIsVisible = true;
43     }
44 
45     @Override
onPause()46     protected void onPause() {
47         super.onPause();
48         mIsVisible = false;
49     }
50 
waitUntilVisible()51     public boolean waitUntilVisible() throws InterruptedException {
52         long start = System.nanoTime();
53         while (!mIsVisible && (System.nanoTime() - start) < VISIBLE_TIMEOUT) {
54             Thread.sleep(100);
55         }
56         return mIsVisible;
57     }
58 }
59