내 iPhone 응용 프로그램에서 키보드 위에 텍스트 필드를 표시하기 위해보기를 들어 올리려면 다음 코드를 사용했습니다. 내 응용 프로그램은 네 가지 인터페이스 방향 모두를 지원합니다. 다음 코드를 사용하여 뷰를 들어 올립니다. 여기서 문제는 세로 방향에서만 작동한다는 것입니다.모든 인터페이스 방향에 대해 키보드 위에 텍스트 필드를 표시하는 방법
static const CGFloat KEYBOARD_ANIMATION_DURATION = 0.3;
static const CGFloat MINIMUM_SCROLL_FRACTION = 0.2;
static const CGFloat MAXIMUM_SCROLL_FRACTION = 0.8;
static const CGFloat PORTRAIT_KEYBOARD_HEIGHT = 216;
static const CGFloat LANDSCAPE_KEYBOARD_HEIGHT = 162;
- (void)textFieldDidBeginEditing:(UITextField *)textField {
UIInterfaceOrientation orientation = [Globals getUIInterfaceOrientation];//[[UIApplication sharedApplication] statusBarOrientation];
CGRect textFieldRect = [self.view.window convertRect:textField.bounds fromView:textField];
CGRect viewRect = [self.view.window convertRect:self.view.bounds fromView:self.view];
CGFloat midline = textFieldRect.origin.y + 0.5 * textFieldRect.size.height;
CGFloat numerator = midline - viewRect.origin.y - MINIMUM_SCROLL_FRACTION * viewRect.size.height;
CGFloat denominator = (MAXIMUM_SCROLL_FRACTION - MINIMUM_SCROLL_FRACTION) * viewRect.size.height;
CGFloat heightFraction = numerator/denominator;
if (heightFraction < 0.0) {
heightFraction = 0.0;
}
else if (heightFraction > 1.0) {
heightFraction = 1.0;
}
if (orientation == UIInterfaceOrientationPortrait || orientation == UIInterfaceOrientationPortraitUpsideDown)
animatedDistance = floor(PORTRAIT_KEYBOARD_HEIGHT * heightFraction);
else
animatedDistance = floor(LANDSCAPE_KEYBOARD_HEIGHT * heightFraction);
CGRect viewFrame = self.view.frame;
viewFrame.origin.y -= animatedDistance;
[UIView beginAnimations:nil context:NULL];
[UIView setAnimationBeginsFromCurrentState:YES];
[UIView setAnimationDuration:KEYBOARD_ANIMATION_DURATION];
[self.view setFrame:viewFrame];
[UIView commitAnimations];
}
- (void)textFieldDidEndEditing:(UITextField *)textField{
CGRect viewFrame = self.view.frame;
viewFrame.origin.y += animatedDistance;
[UIView beginAnimations:nil context:NULL];
[UIView setAnimationBeginsFromCurrentState:YES];
[UIView setAnimationDuration:KEYBOARD_ANIMATION_DURATION];
[self.view setFrame:viewFrame];
[UIView commitAnimations];
}