Android Open Source - DistributedMemory Bitmap Cache

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Back to project page DistributedMemory.

License

The source code is released under:

Apache License

Java Source Code

package org.faudroids.distributedmemory.ui;
//  w  w  w  .  j av  a2s . c o m

import android.content.res.AssetManager;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import javax.inject.Inject;

import timber.log.Timber;

final class BitmapCache {

  private final AssetManager assetManager;
  private final Map<String, Bitmap> cache = new HashMap<>();

  @Inject
  public BitmapCache(AssetManager assetManager) {
    this.assetManager = assetManager;
  }


  public Bitmap getBitmap(String fileName) {
    if (cache.containsKey(fileName)) return cache.get(fileName);
    try {
      Bitmap bitmap = BitmapFactory.decodeStream(assetManager.open(fileName));
      cache.put(fileName, bitmap);
      return bitmap;
    } catch (IOException ioe) {
      Timber.e("failed to load bitmap", ioe);
      return null;
    }
  }

}

Java Source Code List

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