Swift: unrecognized selector sent to instance

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傲寒
傲寒 2020-12-21 17:30

Why isn\'t this working:

    self.backButton?.addTarget(self, action: Selector(\"backButtonPressed:\"), forControlEvents: .TouchUpInside)

   // unrecognize         


        
3条回答
  •  夕颜
    夕颜 (楼主)
    2020-12-21 18:01

    on swift you dont need to write selector anymore just

    self.backButton?.addTarget(self, action: "backButtonPressed:", forControlEvents: .TouchUpInside)
    

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