IOS 11+, Swift 4+, Beginners, Tutorial : Rotation Gesture Tutorial ( UIRotationGestureRecognizer )

Описание: Welcome to Rotation Gesture Tutorial !
Level : Beginners

A Gesture Recognizing is one type of touch behavior on screen of user. By use of that we can finding which type of event on screen. user can do on screen like single tap , double tap , rotate his/her finger on screen , Drag finger , Pinch with finger , Swipe etc. The iOS SDK can detect a number of gestures. In this tutorial we show how to detect the Rotation gesture. We will create a image which rotate to change image angle . This tutorial is made with Xcode 9 and built for iOS 11+

You will be using UIRotationGestureRecognizer, #selector, direction, isUserInteractionEnabled, isMultipleTouchEnabled, addGestureRecognizer, @objc, bringSubview, @IBAction, @IBOutlet , CGPoint, translation, CGPoint, setTranslation, center, zero, rotation, transform and understand how to align centered vertically and horizontally the label in Xcode.

I 'll all show you various ways to implementing it.

This Project Source Code :
GitHub : https://github.com/soonin/IOS-Swift-R...
licensed under Creative Commons


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IOS, Swift, Tutorial, Tricks, programmatically , Xcode ,
UIRotationGestureRecognizer, #selector, direction, isUserInteractionEnabled, isMultipleTouchEnabled, addGestureRecognizer, @objc, bringSubview, @IBAction, @IBOutlet , CGPoint, translation, CGPoint, setTranslation, center, zero, rotation, transform



References & Related links :
• https://developer.apple.com/