Aggressoron Stack Overflow • Recommends
On “Android ImageView Zoom-in and Zoom-Out”
I got the most helpful answer from @Nicolas Tyler but I had issues with how the syntax and logic worked. I also did not want any Alpha space and my Algebra was rusty! After 3 days I have put together my own version of this.
My answer differs from @Nicolas Tyler with the following:
Different variable names which I found made more sense in underlying contextual uses
This Pinch-Zoom image class does NOT show alpha space and will let you zoom in and out and still not let you over/under pan an image and reveal alpha space
Added deep comments to the matrix section to explain what was going on with the math involved
This image class will also let you pass in a resourceId and it will crea…