public static boolean removeFromCache(String imageUri,DiskCache diskCache){
  File image=diskCache.get(imageUri);
  return image != null && image.exists() && image.delete();
}

public static boolean removeFromCache ( String imageUri , DiskCache diskCache ) { File image = diskCache . get ( imageUri ) ; return image != null && image . exists ( ) && image . delete ( ) ; }
removed cached image file from disk cache ( if image was cached in disk cache before )
