ImageZoomHelper source credit:
https://github.com/okaybroda/ImageZoom/blob/master/library/src/main/java/com/viven/imagezoom/ImageZoomHelper.java
Demo video:
https://www.youtube.com/watch?v=sw-7MrK5nTw
ImageZoomHelper source credit:
https://github.com/okaybroda/ImageZoom/blob/master/library/src/main/java/com/viven/imagezoom/ImageZoomHelper.java
Demo video:
https://www.youtube.com/watch?v=sw-7MrK5nTw