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PORotating UIButton
 

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    <p>I've been trying to rotate a button using the following method:</p> <pre><code>-(IBAction)rotate:(id)sender{ CGPoint pencilCenter = pencil.center; [pencil setCenter:pencilCenter]; CGFloat floater = 1.0; [UIView animateWithDuration:0.7 animations:^(void){ [pencil setTransform:CGAffineTransformMakeRotation(floater)]; }]; [UIView animateWithDuration:0.7 animations:^(void){ [pencil setTransform:CGAffineTransformMakeRotation(floater)]; }]; } </code></pre> <p>This is supposed to make the button do some kind of "shake", then it's supposed to be back in its original position- yet all it does is changing the button's location, moving it to only one side and on another run of the method the button doesn't react <em>at all</em>.</p> <p>What's the problem with my code?</p> <p>Thanks!</p> <p>EDIT 2: My que is- how do I make a button to do a little shake/wiggle ,e.g. the wiggle app mode when editing sptingboard.</p> <p>Using this code is giving me rotation to left, smooth animates from left to right then right to left, then rotates to original position. Now, I want this not to just rotate, but do this with an animation, like a wiggle.</p> <pre><code>[UIView animateWithDuration:0.25 delay:0.0 options:(UIViewAnimationOptionAllowUserInteraction | UIViewAnimationCurveLinear | UIViewAnimationOptionAutoreverse) animations:^ { pencil.transform = CGAffineTransformMakeRotation(DEGREES_TO_RADIANS(30)); pencil.transform = CGAffineTransformIdentity; } completion:^(BOOL finished){ } ]; </code></pre> <p>Thanks!</p>
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    1. COwhy are you starting 2 animations with the same rotation amount at the same time?
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      1. USWain
    2. COPlease clarify exactly what you mean by "moving it to only one side". Maybe post some screenshots of the simulator?
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      1. USDavid
    3. COYou can try following post, its for UIView but you can apply it on UIButton http://stackoverflow.com/questions/929364/how-to-create-iphones-wobbling-icon-effect
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      1. USDeepesh Gairola
 

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