FrameSequenceTest.java revision 958761ceb97982b510d3059d31ba8c45700a1654 
1/*
2 * Copyright (C) 2013 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 */
16package com.android.framesequence.samples;
17
18import android.app.Activity;
19import android.graphics.Bitmap;
20import android.os.Bundle;
21import android.support.rastermill.FrameSequence;
22import android.support.rastermill.FrameSequenceDrawable;
23import android.view.View;
24import android.widget.Toast;
25
26import java.io.InputStream;
27import java.util.HashSet;
28
29public class FrameSequenceTest extends Activity {
30    FrameSequenceDrawable mDrawable;
31    int mResourceId;
32
33    // This provider is entirely unnecessary, just here to validate the acquire/release process
34    private class CheckingProvider implements FrameSequenceDrawable.BitmapProvider {
35        HashSet<Bitmap> mBitmaps = new HashSet<Bitmap>();
36        @Override
37        public Bitmap acquireBitmap(int minWidth, int minHeight) {
38            Bitmap bitmap =
39                    Bitmap.createBitmap(minWidth + 1, minHeight + 4, Bitmap.Config.ARGB_8888);
40            mBitmaps.add(bitmap);
41            return bitmap;
42        }
43
44        @Override
45        public void releaseBitmap(Bitmap bitmap) {
46            if (!mBitmaps.contains(bitmap)) throw new IllegalStateException();
47            mBitmaps.remove(bitmap);
48            bitmap.recycle();
49        }
50
51        public boolean isEmpty() {
52            return mBitmaps.isEmpty();
53        }
54    }
55
56    final CheckingProvider mProvider = new CheckingProvider();
57
58    @Override
59    public void onCreate(Bundle savedInstanceState) {
60        super.onCreate(savedInstanceState);
61
62        mResourceId = getIntent().getIntExtra("resourceId", R.raw.animated_gif);
63
64        setContentView(R.layout.basic_test_activity);
65        findViewById(R.id.start).setOnClickListener(new View.OnClickListener() {
66            @Override
67            public void onClick(View view) {
68                mDrawable.start();
69            }
70        });
71        findViewById(R.id.stop).setOnClickListener(new View.OnClickListener() {
72            @Override
73            public void onClick(View view) {
74                mDrawable.stop();
75            }
76        });
77        findViewById(R.id.vis).setOnClickListener(new View.OnClickListener() {
78            @Override
79            public void onClick(View view) {
80                mDrawable.setVisible(true, true);
81            }
82        });
83        findViewById(R.id.invis).setOnClickListener(new View.OnClickListener() {
84            @Override
85            public void onClick(View view) {
86                mDrawable.setVisible(false, true);
87            }
88        });
89        findViewById(R.id.circle_mask).setOnClickListener(new View.OnClickListener() {
90            @Override
91            public void onClick(View view) {
92                mDrawable.setCircleMaskEnabled(!mDrawable.getCircleMaskEnabled());
93            }
94        });
95    }
96
97    @Override
98    protected void onResume() {
99        super.onResume();
100
101        View drawableView = findViewById(R.id.drawableview);
102        InputStream is = getResources().openRawResource(mResourceId);
103
104        FrameSequence fs = FrameSequence.decodeStream(is);
105        mDrawable = new FrameSequenceDrawable(fs, mProvider);
106        mDrawable.setOnFinishedListener(new FrameSequenceDrawable.OnFinishedListener() {
107            @Override
108            public void onFinished(FrameSequenceDrawable drawable) {
109                Toast.makeText(getApplicationContext(),
110                        "The animation has finished", Toast.LENGTH_SHORT).show();
111            }
112        });
113        drawableView.setBackgroundDrawable(mDrawable);
114    }
115
116    @Override
117    protected void onPause() {
118        super.onPause();
119        View drawableView = findViewById(R.id.drawableview);
120
121        mDrawable.destroy();
122        if (!mProvider.isEmpty()) throw new IllegalStateException("All bitmaps not recycled");
123
124        mDrawable = null;
125        drawableView.setBackgroundDrawable(null);
126    }
127}
128