1 - (void)buildNotification {
2 [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShowWithNotification:) name:UIKeyboardWillShowNotification object:nil];
3
4 [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHideWithNotification:) name:UIKeyboardWillHideNotification object:nil];
5 }
6
7 - (void)keyboardWillShowWithNotification:(NSNotification *)notification {
8 CGRect rect = [notification.userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue];
9 CGFloat height = rect.size.height - (kDevice_iPhoneX ? kFloatBottomDangerHeight : 0);
10
11 [UIView animateWithDuration:[notification.userInfo[UIKeyboardAnimationDurationUserInfoKey] doubleValue] animations:^{
12 _inputTextView.transform = CGAffineTransformMakeTranslation(0, - height);
13 }];
14 }
15
16 - (void)keyboardWillHideWithNotification:(NSNotification *)notification {
17 [UIView animateWithDuration:[notification.userInfo[UIKeyboardAnimationDurationUserInfoKey] doubleValue] animations:^{
18 _inputTextView.transform = CGAffineTransformIdentity;
19 }];
20 }
