Signal-Android/photoview/src/main/java/com/github/chrisbanes/photoview/OnOutsidePhotoTapListener.java

package com.github.chrisbanes.photoview;

import android.widget.ImageView;

/**
 * Callback when the user tapped outside of the photo
 */
public interface OnOutsidePhotoTapListener {

    /**
     * The outside of the photo has been tapped
     */
    void onOutsidePhotoTap(ImageView imageView);
}