Simplest way to detect a pinch

Question

This is a WEB APP not a native app. Please no Objective-C NS commands.

So I need to detect \'pinch\' events on iOS. Problem is every plugin or metho

Answer 1

Unfortunately, detecting pinch gestures across browsers is a not as simple as one would hope, but HammerJS makes it a lot easier!

Check out the Pinch Zoom and Pan with HammerJS demo. This example has been tested on Android, iOS and Windows Phone.

You can find the source code at Pinch Zoom and Pan with HammerJS.

For your convenience, here is the source code:

  
  
  




  


    

      Ignore this area. Space is needed to test on the iPhone simulator as pinch simulation on the
      iPhone simulator requires the target to be near the middle of the screen and we only respect
      touch events in the image area. This space is not needed in production.
    

    

    

    

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