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J'utilise le code ci-dessous pour le bouton tremblement Comment puis-je l'annuler quand il est en cours?annuler UIView Animation
#define RADIANS(degrees) ((degrees * M_PI)/180.0)
CGAffineTransform leftWobble = CGAffineTransformRotate(CGAffineTransformIdentity, RADIANS(-10.0));
CGAffineTransform rightWobble = CGAffineTransformRotate(CGAffineTransformIdentity, RADIANS(10.0));
btn.transform = leftWobble; // starting point
[UIView beginAnimations:@"wobble" context:btn];
[UIView setAnimationRepeatAutoreverses:YES]; // important
[UIView setAnimationRepeatCount:20];
[UIView setAnimationDuration:0.1];
[UIView setAnimationDelegate:self];
[UIView setAnimationDidStopSelector:@selector(wobbleEnded:finished:context:)];
btn.transform = rightWobble; // end here & auto-reverse
[UIView commitAnimations];