How To Unblur Square Portion Of Blurry Image On Touch Android

What I want to do: On mouse hover of Blurry image, it shows unblur same image in square shape like following image. (image is completely blur, on mouse hover unblur image shown in

Solution 1:

You need to implement it differently.

You need two images (instead of one):

1. Blurred one. Which will be always drawn as background (or in a view underneath). Read here how to blur the image.

2. Normal one. This one should be drawn on top of blurred one using the square mask. Check this answer.

MORE DETAILS:

It can be done in the same way, how I explained in this answer, but with Mode.DST_IN Xfermode instead of PorterDuff.Mode.CLEAR.

Hope this will help you.