LruBitmapCache.java

package com.amaze.filemanager.utils;

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

import com.android.volley.toolbox.ImageLoader;

/**
 * Created by vishal on 7/6/16.
 */
public class LruBitmapCache extends LruCache<String, Bitmap> implements ImageLoader.ImageCache {
    /**
     * @param maxSize for caches that do not override {@link #sizeOf}, this is
     *                the maximum number of entries in the cache. For all other caches,
     *                this is the maximum sum of the sizes of the entries in this cache.
     */
    public LruBitmapCache(int maxSize) {
        super(maxSize);
    }

    public LruBitmapCache() {
        this(getDefaultCacheSize());
    }

    private static int getDefaultCacheSize() {
        int memory = (int) (Runtime.getRuntime().maxMemory()/1024);
        return memory/8;
    }

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

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

    @Override
    protected int sizeOf(String key, Bitmap value) {

        return value.getByteCount();
    }
}