How to safely removeObserver (Swift)

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生来不讨喜
生来不讨喜 2021-02-19 21:23

I have added an observer

override func viewDidLoad()
{
    super.viewDidLoad()

    NSNotificationCenter.defaultCenter().addObserver(self, selector:\"selector na         


        
2条回答
  •  长情又很酷
    2021-02-19 22:02

    If you support iOS Versions by 9.0 you don't need to remove observers by yourself in your deinit method.

    Taken from the documentation

    In OS X 10.11 and iOS 9.0 NSNotificationCenter and NSDistributedNotificationCenter will no longer send notifications to registered observers that may be deallocated.

    https://useyourloaf.com/blog/unregistering-nsnotificationcenter-observers-in-ios-9/

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