How to detect the pinch-zoom event with OnGestureListener in Android?

Question

How to detect the pinch-zoom event with OnGestureListener in Android?

Answer 1

Take a look at this post on the Android Developers blog: http://android-developers.blogspot.com/2010/06/making-sense-of-multitouch.html

The later sections talk about using ScaleGestureDetector with code examples.