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POUIButton click crashes app
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copied!<p>I have button on <code>page 1</code> when i click on button i am performing some animation and navigation to new page say <code>Page 2</code>. </p> <p>On <code>page 2</code> there is cancel button when i click on that i want to go back to my previuos page i.e <code>Page 1</code> but on click of cancel button my app crashes.</p> <p>Here is my sample code on <code>Page 1:</code><strong>Name of page CRViewController</strong></p> <pre><code>- (IBAction)ClickMe:(id)sender { RegistraionViewController *secondController = [[RegistraionViewController alloc] init]; CATransition *transitionAnimation = [CATransition animation]; [transitionAnimation setDuration:1]; [transitionAnimation setType:@"push"]; [transitionAnimation setSubtype:kCATransitionFromBottom]; [transitionAnimation setTimingFunction:[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionDefault]]; [self.view.layer addAnimation:transitionAnimation forKey:kCATransitionFromBottom]; [self.view addSubview:secondController.view]; } </code></pre> <p>Code which is on <code>Page 2:</code> <strong>Name of page RegistraionViewController</strong> (on Which crashes on click.)</p> <pre><code>- (IBAction)Click:(id)sender { CRViewController *secondController = [[CRViewController alloc] init]; CATransition *transitionAnimation = [CATransition animation]; [transitionAnimation setDuration:1]; [transitionAnimation setType:@"push"]; [transitionAnimation setSubtype:kCATransitionFromTop]; [transitionAnimation setTimingFunction:[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionDefault]]; [self.view.layer addAnimation:transitionAnimation forKey:kCATransitionFromBottom]; [self.view addSubview:secondController.view]; } </code></pre>

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