RevealActivity.java revision c01bd1167a1b08d59557f214ddc48cf24d3b8d0a 
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
17package com.android.test.hwui;
18
19import android.animation.Animator;
20import android.app.Activity;
21import android.content.Context;
22import android.graphics.Canvas;
23import android.graphics.Color;
24import android.os.Bundle;
25import android.view.View;
26import android.view.View.OnClickListener;
27import android.view.ViewAnimationUtils;
28import android.widget.LinearLayout;
29import android.widget.LinearLayout.LayoutParams;
30import android.widget.ProgressBar;
31
32public class RevealActivity extends Activity implements OnClickListener {
33
34    private static final int DURATION = 800;
35
36    private boolean mShouldBlock;
37
38    @Override
39    protected void onCreate(Bundle savedInstanceState) {
40        super.onCreate(savedInstanceState);
41
42        final LinearLayout layout = new LinearLayout(this);
43        layout.setOrientation(LinearLayout.VERTICAL);
44
45        ProgressBar spinner = new ProgressBar(this, null, android.R.attr.progressBarStyleLarge);
46        layout.addView(spinner, new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
47        View revealView = new MyView(this);
48        layout.addView(revealView,
49                new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
50        setContentView(layout);
51
52        revealView.setOnClickListener(this);
53    }
54
55    @Override
56    public void onClick(View view) {
57        Animator animator = ViewAnimationUtils.createCircularReveal(view,
58                view.getWidth() / 2, view.getHeight() / 2,
59                0, Math.max(view.getWidth(), view.getHeight()));
60        animator.setDuration(DURATION);
61        animator.setAllowRunningAsynchronously(true);
62        animator.start();
63
64        mShouldBlock = !mShouldBlock;
65        if (mShouldBlock) {
66            view.post(sBlockThread);
67        }
68    }
69
70    private final static Runnable sBlockThread = new Runnable() {
71        @Override
72        public void run() {
73            try {
74                Thread.sleep(DURATION);
75            } catch (InterruptedException e) {
76            }
77        }
78    };
79
80    static class MyView extends View {
81
82        public MyView(Context context) {
83            super(context);
84        }
85
86        @Override
87        protected void onDraw(Canvas canvas) {
88            canvas.drawColor(Color.RED);
89        }
90    }
91}
92