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copied!<p>Here is a more elegant solution using uiview category</p> <pre><code>#import <Foundation/Foundation.h> @interface UIView(AnimationUtils) -(void)scrollControlToCenter:(UIView *)view; -(void)scrollViewToOriginalPosition; @end #import "UIView+AnimationUtils.h" @implementation UIView(AnimationUtils) #pragma mark ScrollView Methods //Method Called whenever keyboard appears - (void)scrollControlToCenter:(UIView *)view { if([view isKindOfClass:[UITextField class]]){ CGRect viewFrame = [view frame]; float verticalDistance = 216.0f - viewFrame.origin.y - (2*viewFrame.size.height); if(viewFrame.size.height >= (460 - 216)/2){ verticalDistance = 0; } [UIView beginAnimations:@"ScrollToCenter" context:nil]; [UIView setAnimationDuration:0.5]; [self setFrame:CGRectMake(0, verticalDistance, self.frame.size.width, self.frame.size.height)]; [UIView commitAnimations]; }else if([view isKindOfClass:[UITextView class]]){ [UIView beginAnimations:@"ScrollToTop" context:nil]; [UIView setAnimationDuration:0.5]; UIView *viewBG = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]]; [viewBG setTag:5]; [viewBG setBackgroundColor:[UIColor blackColor]]; [viewBG setAlpha:0.75]; [self addSubview:viewBG]; [view setFrame:CGRectMake(view.frame.origin.x, view.frame.origin.y, view.frame.size.width, view.frame.size.height)]; [self setFrame:CGRectMake(0, -view.frame.origin.y , self.frame.size.width, self.frame.size.height)]; [self insertSubview:view atIndex:[self.subviews count] + 1]; [UIView commitAnimations]; } } -(void)scrollViewToOriginalPosition{ [UIView beginAnimations:@"ScrollToOriginal" context:nil]; [UIView setAnimationDuration:0.5]; for(UIView *view in self.subviews){ if(view.tag == 5){ [view removeFromSuperview]; } } [self setFrame:CGRectMake(0, 0, self.frame.size.width, self.frame.size.height)]; [UIView commitAnimations]; } #pragma mark - @end </code></pre>

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