Android Open Source - MusicPlayer-OLD Image Loader Task

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License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright 2013 Andrea De Cesare/*from   w w  w .  jav a  2  s.  com*/
 *
 * 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.andreadec.musicplayer;

import android.graphics.*;
import android.os.*;
import android.support.v4.util.*;
import android.view.View;
import android.widget.*;

public class ImageLoaderTask extends AsyncTask<Void, Void, Bitmap> {
  private PlayableItem item;
  private ImageView imageView;
  private LruCache<String,Bitmap> imagesCache;
  private int listImageSize;
  
  public ImageLoaderTask(PlayableItem item, ImageView imageView, LruCache<String,Bitmap> imagesCache, int listImageSize) {
    this.item = item;
    this.imageView = imageView;
    this.listImageSize = listImageSize;
    this.imagesCache = imagesCache;
  }

  @Override
  protected Bitmap doInBackground(Void... params) {
    Bitmap originalImage = item.getImage();
    if(originalImage==null) return null;
    Bitmap image = Bitmap.createScaledBitmap(originalImage, listImageSize, listImageSize, true);
    synchronized(imagesCache) {
      imagesCache.put(item.getPlayableUri(), image);
    }
    originalImage = null;
    return image;
  }
  
  @Override
  protected void onPostExecute(Bitmap image) {
    if(image!=null) {
      imageView.setImageBitmap(image);
      imageView.setVisibility(View.VISIBLE);
    }
  }
}

Java Source Code List