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      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  */
     16 package com.android.framesequence.samples;
     17 
     18 import android.app.Activity;
     19 import android.graphics.Bitmap;
     20 import android.os.Bundle;
     21 import android.support.rastermill.FrameSequence;
     22 import android.support.rastermill.FrameSequenceDrawable;
     23 import android.view.View;
     24 import android.widget.Toast;
     25 
     26 import java.io.InputStream;
     27 import java.util.HashSet;
     28 
     29 public 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