How to use

setOnImageEventListener

method

in

com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView

public void setOptimizeDisplay(boolean optimizeDisplay) {
  if (mSSIV == null) {
    return;
  }
  mOptimizeDisplay = optimizeDisplay;
  if (mOptimizeDisplay) {
    mDisplayOptimizeListener = new DisplayOptimizeListener(mSSIV);
    mSSIV.setOnImageEventListener(mDisplayOptimizeListener);
  } else {
    mDisplayOptimizeListener = null;
    mSSIV.setOnImageEventListener(null);
  }
}

imageView.setOnImageEventListener(
    new SubsamplingScaleImageView.DefaultOnImageEventListener() {
      @Override

public static void bindSubsamplingImageView(SubsamplingScaleImageView imageView, Photo photo,
                      SubsamplingScaleImageView.DefaultOnImageEventListener onImageEventListener) {
  imageView.recycle();
  ImageViewState imageViewState = null;
  if (photo.getImageViewSavedState() != null) {
    imageViewState = (ImageViewState) photo.getImageViewSavedState();
    photo.putImageViewSavedState(null);
  }
  imageView.setImage(
      ImageSource.uri(photo.getUri(imageView.getContext())),
      imageViewState);
  if (onImageEventListener != null) {
    imageView.setOnImageEventListener(onImageEventListener);
  }
}

mImageView.setOnImageEventListener(this);