iOS 監聽鍵盤變化

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　　 //將要顯示鍵盤    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(willShowKeyboard:) name:UIKeyboardWillShowNotification object:nil];    //將要隱藏鍵盤    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(willHideKeyboard:) name:UIKeyboardWillHideNotification object:nil];    //顯示鍵盤完成    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(DidShowKeyboard:) name:UIKeyboardDidShowNotification object:nil];    //隱藏鍵盤完成    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(DidHideKeyboard:) name:UIKeyboardDidHideNotification object:nil];    //鍵盤frame將要改變    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardDidChange:) name:UIKeyboardDidChangeFrameNotification object:nil];    //鍵盤frame將要改變    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillChange:) name:UIKeyboardWillChangeFrameNotification object:nil];

 

iOS 監聽鍵盤變化