BitmapLruCache.java

package com.github.volley.example.toolbox;

import com.android.volley.toolbox.ImageLoader.ImageCache;

import android.graphics.Bitmap;
import android.support.v4.util.LruCache;

public class BitmapLruCache extends LruCache<String, Bitmap> implements ImageCache {
    public BitmapLruCache(int maxSize) {
        super(maxSize);
    }

//    Fix thanks to Steven's comment: sizeOf method should not be overriden, 
//    when we are passing max image cache entries in another place of the code
//    @Override
//    protected int sizeOf(String key, Bitmap value) {
//        return value.getRowBytes() * value.getHeight();
//    }

    @Override
    public Bitmap getBitmap(String url) {
        return get(url);
    }

    @Override
    public void putBitmap(String url, Bitmap bitmap) {
        put(url, bitmap);
    }
}