iOS-當輸入框被鍵盤遮擋時讓整個view上移

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• • 註冊鍵盤通知

  #pragma mark - 鍵盤通知- (void)addNoticeForKeyboard {    //註冊鍵盤出現的通知    [[NSNotificationCenter defaultCenter] addObserver:self                                             selector:@selector(keyboardWillShow:)                                                 name:UIKeyboardWillShowNotification object:nil];    //註冊鍵盤消失的通知    [[NSNotificationCenter defaultCenter] addObserver:self                                             selector:@selector(keyboardWillHide:)                                                 name:UIKeyboardWillHideNotification object:nil];}

  • 鍵盤代理事件

  ///鍵盤顯示事件- (void) keyboardWillShow:(NSNotification *)notification {    //擷取鍵盤高度，在不同裝置上，以及中英文下是不同的    CGFloat kbHeight = [[notification.userInfo objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue].size.height;    //計算出鍵盤頂端到inputTextView panel底端的距離(加上自訂的緩衝距離INTERVAL_KEYBOARD)    CGFloat offset = (textView.frame.origin.y+textView.frame.size.height+INTERVAL_KEYBOARD) - (self.view.frame.size.height - kbHeight);    // 取得鍵盤的動畫時間，這樣可以在視圖上移的時候更連貫    double duration = [[notification.userInfo objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue];    //將視圖上移計算好的位移    if(offset > 0) {        [UIView animateWithDuration:duration animations:^{            self.view.frame = CGRectMake(0.0f, -offset, self.view.frame.size.width, self.view.frame.size.height);        }];    }}///鍵盤消失事件- (void) keyboardWillHide:(NSNotification *)notify {    // 鍵盤動畫時間    double duration = [[notify.userInfo objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue];    //視圖下沉恢複原狀    [UIView animateWithDuration:duration animations:^{        self.view.frame = CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height);    }];}

  
  
  奮鬥的蝸牛
  連結：http://www.jianshu.com/p/4e235e952b0c
  來源：簡書
  
  

iOS-當輸入框被鍵盤遮擋時讓整個view上移