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Let’s say you have a view overlaying another view that you would like to close in a fancy fashion when the user click a button, thus displaying the view directly below it. Put this code as your button’s IBAction message handler and tell me that doesn’t spice up your app like crazy! I am not going to explain how it looks, just try it. You’ll love it. It’s a nice use of code blocks too.

-(IBAction)onButtonClick:(id)sender {
	[UIView transitionWithView:self.view duration:0.2 options:UIViewAnimationOptionTransitionFlipFromLeft animations:^{
		self.view.frame = CGRectOffset(self.view.frame, 0, -self.view.frame.size.height);
	} completion:^(BOOL finished) {
		[self.view removeFromSuperview];
		[self release];
	}];
}

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Tags: Animation, blocks, code, Development, iPhone, Objective-C, programming, snippet, source, transitions, Xcode

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