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    <p>You can use a CATransition, along these lines:</p> <pre><code>// Get index of view to be removed (oldSubView) NSUInteger index; for(index = 0; [subViews objectAtIndex:index] != oldSubView; ++index) {} // Remove old view [oldSubView removeFromSuperview]; // Inser new view at right index [self insertSubview:newSubView atIndex:index]; // Create the transition CATransition *animation = [CATransition animation]; [animation setDelegate:self]; [animation setType:kCATransitionPush]; [animation setSubtype:kCATransitionFromLeft;]; [animation setDuration:0.5f]; [animation setTimingFunction:[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]]; [[self layer] addAnimation:animation forKey:@"pushIn"]; </code></pre> <p>You don't have to tell the transition which views to push, it will do it automatically (since you removed and inserted views).</p> <p>Have a look at this example code from Apple: <a href="http://developer.apple.com/iphone/library/samplecode/ViewTransitions/" rel="nofollow noreferrer">how to perform transitions between two views using built-in Core Animation transitions</a>.</p> <p>EDIT (in response to comments): This code should be used inside a UIView subclass. If you want to use it in a UIViewController subclass, you have to change self to self.view everywhere. You would simply put this code into a separate method with a signature like this:</p> <pre><code>-(void)replaceView:(UIView*)oldSubView withView:(UIView*)newSubView; </code></pre> <p>You put that method into your class, and call it whenever you want to replace one view with another. You need to have a reference to these views, obviously.</p> <p>My best guess is that you should replace this code:</p> <pre><code>[self.view addSubview:[self.FreebiesViewMainObject view]]; [self BringSubviewsToFront]; </code></pre> <p>with</p> <pre><code>[self replaceView:self.rootView withView:freebiesViewMainObject.view]; </code></pre> <p>But you have to work on this a bit more to get all the pieces to fit together. Really, looking at some good example code like the one I linked to, and really <em>understanding</em> it, is a lot better then to get a few code snippets off of SO and try to throw them into your code.</p>
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    1. COwhat is subviews in your loop?
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    2. COhow do i get oldsubview to remove?
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    3. COI am posting my code to add subviews.Please tell me in that code where do i put your code?
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