class BitmapLruCache extends LruCacheAdapter<String, Bitmap> {

	@Override
	public boolean has(String key) {
		if (key == null) return false;
		Bitmap value = get(key);
		return (value != null && !value.isRecycled());
	}

	public  BitmapLruCache(float percentOfAvailableMemory);
	public  BitmapLruCache(int maxSize);

}