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POiOS: simple animation
 

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    <p>I want to create a simple animation changing alpha value:</p> <pre><code>[UIView beginAnimations:nil context:NULL]; [UIView setAnimationDuration:2]; [view1 setAlpha:0.00]; [UIView commitAnimations]; </code></pre> <p>Ok in this way I change the alpha value for two seconds and it works fine, but I want this thing: When alpha is 0 the animation must should start another time to alpha = 1 So the animation should be: alpha 0 -> alpha 1 -> alpha 0 -> alpha 1 -> ... and so on with a duration of two seconds. Can you help me?</p> <p>my complete code is</p> <pre><code>-(IBAction){ FirstViewController *firstViewController = [[[FirstViewController alloc] init]autorelease]; [firstViewController.label1 setAlpha:1.00]; [firstViewController.label2 setAlpha:1.00]; view = firstViewController.viewFirst; //this is my view and I copy in other view [self fadeOut:nil finished:nil context:nil];} - (void) fadeOut:(NSString *)animationID finished:(NSNumber *)finished context:(void *)context { [UIView beginAnimations:nil context:NULL]; [UIView setAnimationDuration:2]; [UIView setAnimationDelegate:self]; [UIView setAnimationDidStopSelector:@selector(fadeIn:finished:context:) ]; [view setAlpha:0.00]; [UIView commitAnimations]; } - (void) fadeIn:(NSString *)animationID finished:(NSNumber *)finished context:(void *)context { [UIView beginAnimations:nil context:NULL]; [UIView setAnimationDuration:2]; [UIView setAnimationDelegate:self]; [UIView setAnimationDidStopSelector:@selector(fadeOut:finished:context:) ]; [view setAlpha:1.00]; [UIView commitAnimations]; } </code></pre>
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