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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 
     29     public boolean isVisible() {
     30         return mIsVisible;
     31     }
     32 
     33     @Override
     34     protected void onCreate(Bundle savedInstanceState) {
     35         super.onCreate(savedInstanceState);
     36         setContentView(R.layout.anim_layout);
     37     }
     38 
     39     @Override
     40     protected void onResume() {
     41         super.onResume();
     42         mIsVisible = true;
     43     }
     44 
     45     @Override
     46     protected void onPause() {
     47         super.onPause();
     48         mIsVisible = false;
     49     }
     50 
     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