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      1 /*
      2  * Copyright (C) 2014 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.test.hwui;
     18 
     19 import android.animation.Animator;
     20 import android.animation.Animator.AnimatorListener;
     21 import android.animation.AnimatorSet;
     22 import android.app.Activity;
     23 import android.content.Context;
     24 import android.graphics.Canvas;
     25 import android.graphics.Color;
     26 import android.os.Bundle;
     27 import android.util.Log;
     28 import android.view.View;
     29 import android.view.View.OnClickListener;
     30 import android.view.ViewAnimationUtils;
     31 import android.widget.LinearLayout;
     32 import android.widget.LinearLayout.LayoutParams;
     33 import android.widget.ProgressBar;
     34 
     35 public class RevealActivity extends Activity implements OnClickListener {
     36 
     37     private static final int DURATION = 800;
     38 
     39     private boolean mShouldBlock;
     40     private int mIteration = 0;
     41 
     42     private AnimatorListener mListener = new AnimatorListener() {
     43 
     44         @Override
     45         public void onAnimationStart(Animator animation) {
     46             Log.d("Reveal", "onAnimatorStart " + animation);
     47         }
     48 
     49         @Override
     50         public void onAnimationRepeat(Animator animation) {
     51             Log.d("Reveal", "onAnimationRepeat " + animation);
     52         }
     53 
     54         @Override
     55         public void onAnimationEnd(Animator animation) {
     56             Log.d("Reveal", "onAnimationEnd " + animation);
     57         }
     58 
     59         @Override
     60         public void onAnimationCancel(Animator animation) {
     61             Log.d("Reveal", "onAnimationCancel " + animation);
     62         }
     63     };
     64 
     65     @Override
     66     protected void onCreate(Bundle savedInstanceState) {
     67         super.onCreate(savedInstanceState);
     68 
     69         final LinearLayout layout = new LinearLayout(this);
     70         layout.setOrientation(LinearLayout.VERTICAL);
     71 
     72         ProgressBar spinner = new ProgressBar(this, null, android.R.attr.progressBarStyleLarge);
     73         layout.addView(spinner, new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
     74         View revealView = new MyView(this);
     75         layout.addView(revealView,
     76                 new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
     77         setContentView(layout);
     78 
     79         revealView.setOnClickListener(this);
     80     }
     81 
     82     @Override
     83     public void onClick(View view) {
     84         Animator animator = ViewAnimationUtils.createCircularReveal(view,
     85                 view.getWidth() / 2, view.getHeight() / 2,
     86                 0, Math.max(view.getWidth(), view.getHeight()));
     87         Log.d("Reveal", "Calling start...");
     88         animator.addListener(mListener);
     89         if (mIteration < 2) {
     90             animator.setDuration(DURATION);
     91             animator.start();
     92         } else {
     93             AnimatorSet set = new AnimatorSet();
     94             set.playTogether(animator);
     95             set.setDuration(DURATION);
     96             set.addListener(mListener);
     97             set.start();
     98         }
     99 
    100         mIteration = (mIteration + 1) % 4;
    101         mShouldBlock = !mShouldBlock;
    102         if (mShouldBlock) {
    103             view.post(sBlockThread);
    104         }
    105     }
    106 
    107     private final static Runnable sBlockThread = new Runnable() {
    108         @Override
    109         public void run() {
    110             try {
    111                 Thread.sleep(DURATION);
    112             } catch (InterruptedException e) {
    113             }
    114         }
    115     };
    116 
    117     static class MyView extends View {
    118 
    119         public MyView(Context context) {
    120             super(context);
    121         }
    122 
    123         @Override
    124         protected void onDraw(Canvas canvas) {
    125             canvas.drawColor(Color.RED);
    126         }
    127     }
    128 }
    129