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我有一個SKLabelNode,我正在使用不可見的UITextField進行更新。所以當用戶在鍵盤上鍵入內容時,標籤會變成該字符串。下面的代碼是我正在使用的。它在iOS模擬器中非常完美,但是當我在手機上運行它時,每次鍵入字符時UITextField都是空的,所以字符串永遠不會變長。我錯過了什麼?在手機vs模擬器上的不同的UITextField行爲
var inputTextField = UITextField(frame: CGRectMake(0, 0, 100, 30))
var inputTextLabel = SKLabelNode(fontNamed:"Thonburi")
override func didMoveToView(view: SKView) {
inputTextLabel.text = "";
inputTextLabel.fontSize = 25;
inputTextLabel.position = CGPoint(x:10, y:CGRectGetMidY(self.frame));
inputTextLabel.horizontalAlignmentMode = SKLabelHorizontalAlignmentMode.Left
self.addChild(inputTextLabel)
inputTextField.delegate = self
inputTextField.hidden = true
inputTextField.becomeFirstResponder()
self.inputTextField.keyboardType = UIKeyboardType.ASCIICapable
self.view?.addSubview(inputTextField)
}
func textField (textField: UITextField, shouldChangeCharactersInRange range:NSRange, replacementString string: NSString){
var newString = (textField.text as NSString).stringByReplacingCharactersInRange(range, withString: string)
inputTextLabel.text = newString
}