IOS Deletes dynamically created UIButton via tag

  • 2021-11-14 07:18:07
  • OfStack

IOS deletes dynamically created UIButton via tag

Dynamic creation

Direct code

    // Start button 
    let btnStart=UIButton()
    btnStart.tag=100 // The point is here 
    btnStart.frame=CGRectMake(CGRectGetMidX(self.frame) / 2 + 25, CGRectGetMidY(self.frame) / 2 + 30, 100, 40)
    btnStart.setTitle(" Begin ",forState: UIControlState.Normal)

Delete via tag

The reason for deleting in this way is that the UIButton created when switching Scence does not disappear, and the operation for Scence is not inside 1 method



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