code: private Bitmap loadFromLruCache(final String path, boolean tryFromDisk) {
  
          int key = getKey(path);
  
          Bitmap bitmap = mImagesCache.get(key); //try to retrieve from lruCache
  
          Log.d(TAG, "bitmap " + path + " from lruCache [" + key + "] " + bitmap);
  
          if (tryFromDisk && bitmap == null) {
              bitmap = loadFromDiskLruCache(key); //try to retrieve from disk cache
  
              Log.d(TAG, "bitmap " + path + " from diskLruCache " + bitmap);
              if (bitmap != null) { //if found on disk cache
                  mImagesCache.put(key, bitmap); //save it into lruCache
              }
          }
  
          return bitmap;
      }
docs: Try to load [path] image from cache
  
  @param path Path or Url of the bitmap
  @return Bitmap from cache if founded