package com.idunnolol.moviesdemo.util;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.util.Log;
import android.util.LruCache;
public class BitmapCache {
private static Context sAppContext;
private static LruCache<Integer, Bitmap> sCache;
private static final int SCALE = 1024; // Measure everything in KB
public static void init(Context context) {
sAppContext = context.getApplicationContext();
// Use 1/4th of the available memory for this memory cache.
final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / SCALE);
final int cacheSize = maxMemory / 4;
Log.i("MovieDemo", "Creating Bitmap cache size of: " + cacheSize + " (total memory " + maxMemory + ")");
sCache = new LruCache<Integer, Bitmap>(cacheSize) {
@Override
protected int sizeOf(Integer key, Bitmap bitmap) {
return bitmap.getByteCount() / SCALE;
}
};
}
public static Bitmap getBitmap(int drawableResId) {
Bitmap bitmap = sCache.get(drawableResId);
if (bitmap == null) {
bitmap = BitmapFactory.decodeResource(sAppContext.getResources(), drawableResId);
sCache.put(drawableResId, bitmap);
}
return bitmap;
}
}
