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POHow to swap views using a swipe gesture XCode
 

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  1. POHow to swap views using a swipe gesture XCode
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    <p>I am using XCode to develop a Cocoa touch application for the iOS platform but have had trouble finding out how to get a swipe gesture implemented that would allow the user to swipe their finger left or right to change to a new <code>ViewController</code> (nib/xib file). I have done a <code>swapView IBAction</code> using a button and modal transitioning and I have read about Apple's <code>TouchGestureRecognizer</code> but I don't know how to implement a swipe action that would allow a view change.</p> <p>I do NOT want to use a scroll view, as I have several dozen view controllers, that I want the user to be able to swipe through.</p> <p>Here is an example:</p> <p>First View Controller.xib: SwipeRight- Go to second View Controller.xib</p> <p>Second View Controller.xib:<br> SwipeLeft- Go to first View Controller.xib<br> SwipeRight- Go to third View Controller.xib </p> <p>etc, etc</p> <p>I have not used UISwipe/Touch Gestures before but I have used an <code>IBAction</code> method to switch views using a button with Modal Transitioning (see below):</p> <pre><code>-(IBAction)swapViews; { SecondViewController *second2 =[[SecondViewController alloc initWithNibName:@"SecondViewController" bundle:nil]; second2.modalTransitionStyle = UIModalTransitionStyleCoverVertical; [self presentModalViewController:second2 animated:YES]; [second2 release]; } </code></pre> <p>Is using a swipe to do a similar method formatted differently? If so, how do I sort this out and format it. </p> <p>Thank You</p> <p><strong>Edit - Answer as Per Comment on Question</strong></p> <p>Place this in your viewDidLoad</p> <pre><code>UISwipeGestureRecognizer *swipeRecognizer = [[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(swipeLeftDetected:)]; swipeRecognizer.direction = UISwipeGestureRecognizerDirectionLeft; [self.view addGestureRecognizer:swipeRecognizer]; [swipeRecognizer release]; </code></pre> <p>Then add a selector as by pasting the following code into your main...</p> <pre><code>- (IBAction)swipeLeftDetected:(UIGestureRecognizer *)sender { NC2ViewController *second2 =[[NC2ViewController alloc] initWithNibName:@"NC2ViewController" bundle:nil]; second2.modalTransitionStyle = UIModalTransitionStyleCrossDissolve; [self presentModalViewController:second2 animated:YES]; [second2 release]; } </code></pre> <p>Then just make sure you import the otherViewController you are swapping to using</p> <pre><code>#import "SecondViewController" </code></pre> <p>at the top of your main file. Hope this helps.</p> <p><strong>End Edit</strong></p>
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    1. COHi AppleFanBoy, Were you able to implement UIGesture to swap views? I have tried the same approach but have been unsuccessful. The previous NIB does not release. Can you please post code if it is working. Thanks.
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    2. COI was successful and could get it to work
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    3. COHere is the code;
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