Web Reference: Handling pinch gestures Overview UIPinchGestureRecognizer is a concrete subclass of UIGestureRecognizer. The user must press two fingers on a view while pinching it. When the user moves the two fingers toward each other, the conventional meaning is zoom out; when the user moves the two fingers away from each other, the conventional meaning is ... There are a number of commonly used touch events (or gestures) that you can be notified of when you add a Gesture Recognizerto your view. They following gesture types are supported by default: 1. UITapGestureRecognizer Tap(touching the screen briefly one or more times) 2. UILongPressGestureRecognizer Long touch(touching the screen for a long time) ... Gesture recognizers in UIKit allow developers to detect and respond to user interactions such as taps, pinches, rotations, swipes, and long presses. By attaching UIGestureRecognizer subclasses to a UIView, apps can handle touch-based interactions efficiently.
YouTube Excerpt: Learn how to use the scale property to set the UIView's scale transform.
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