Gallery.java

public static void removeOldPhotos(final Activity activity){
        iterateOverGalleryPhotos(activity, new IPhotoFromGallery() {
            @Override
            public void onPhoto(Cursor cursor, long photoAgeInMillis) {
                if (photoAgeInMillis < SEVENTY_TWO_HOURS_IN_MILLIS) return;
                if (isFromBcePublicFolder(cursor)){
                    getFileFromCursor(cursor).delete();
                    removeFileFromGallery(activity, cursor);
                }
            }
        });
    }