/* * Copyright (C) 2013 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.framesequence.samples; import android.app.Activity; import android.graphics.Bitmap; import android.os.Bundle; import android.support.rastermill.FrameSequence; import android.support.rastermill.FrameSequenceDrawable; import android.view.View; import android.widget.ImageView; import android.widget.Toast; import java.io.InputStream; import java.util.HashSet; public class FrameSequenceTest extends Activity { FrameSequenceDrawable mDrawable; int mResourceId; // This provider is entirely unnecessary, just here to validate the acquire/release process private class CheckingProvider implements FrameSequenceDrawable.BitmapProvider { HashSet<Bitmap> mBitmaps = new HashSet<Bitmap>(); @Override public Bitmap acquireBitmap(int minWidth, int minHeight) { Bitmap bitmap = Bitmap.createBitmap(minWidth + 1, minHeight + 4, Bitmap.Config.ARGB_8888); mBitmaps.add(bitmap); return bitmap; } @Override public void releaseBitmap(Bitmap bitmap) { if (!mBitmaps.contains(bitmap)) throw new IllegalStateException(); mBitmaps.remove(bitmap); bitmap.recycle(); } public boolean isEmpty() { return mBitmaps.isEmpty(); } } final CheckingProvider mProvider = new CheckingProvider(); @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mResourceId = getIntent().getIntExtra("resourceId", R.raw.animated_gif); setContentView(R.layout.basic_test_activity); findViewById(R.id.start).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { mDrawable.start(); } }); findViewById(R.id.stop).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { mDrawable.stop(); } }); findViewById(R.id.vis).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { mDrawable.setVisible(true, true); } }); findViewById(R.id.invis).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { mDrawable.setVisible(false, true); } }); } @Override protected void onResume() { super.onResume(); ImageView imageView = (ImageView) findViewById(R.id.imageview); InputStream is = getResources().openRawResource(mResourceId); FrameSequence fs = FrameSequence.decodeStream(is); mDrawable = new FrameSequenceDrawable(fs, mProvider); mDrawable.setOnFinishedListener(new FrameSequenceDrawable.OnFinishedListener() { @Override public void onFinished(FrameSequenceDrawable drawable) { Toast.makeText(getApplicationContext(), "The animation has finished", Toast.LENGTH_SHORT).show(); } }); imageView.setImageDrawable(mDrawable); } @Override protected void onPause() { super.onPause(); ImageView imageView = (ImageView) findViewById(R.id.imageview); mDrawable.destroy(); if (!mProvider.isEmpty()) throw new IllegalStateException("All bitmaps not recycled"); mDrawable = null; imageView.setImageDrawable(null); } }