How to use

performLongClick

method

in

com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView

  public boolean handleMessage(Message message) {
    if (message.what == MESSAGE_LONG_CLICK && onLongClickListener != null) {
      maxTouchCount = 0;
      SubsamplingScaleImageView.super.setOnLongClickListener(onLongClickListener);
      performLongClick();
      SubsamplingScaleImageView.super.setOnLongClickListener(null);
    }
    return true;
  }
});

  public boolean handleMessage(Message message) {
    if (message.what == MESSAGE_LONG_CLICK && onLongClickListener != null) {
      maxTouchCount = 0;
      SubsamplingScaleImageView.super.setOnLongClickListener(onLongClickListener);
      performLongClick();
      SubsamplingScaleImageView.super.setOnLongClickListener(null);
    }
    return true;
  }
});