Tag Archives: UITouch

How to track finger position and touch force in iOS 9

Female holds and touch tablet computer isolated on white background

In iOS 9.1 the UITouch Class has been amended to track several new options:

  • the force property will track how hard the user presses onto the screen
  • the preciseLocationInView property will track positions more accurately
  • altitude and azimuth detection for Apple Pencil

Here’s how to track all these options in our view.

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