StackOverflow2013

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19098464
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2013-09-30T15:47:50.763
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2013-09-30T15:57:38.433
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2013-09-30T15:57:38.433
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In case you are struggling with a custom UITabBarItem taller than the UITabBar height, a solution that let you preserve your default UITabBar shadowImage and backgroundImage (with the blur effect) is achieved by using CALayer. I am using this code in my UITabBarController subclass: <pre><code>- (id) init { if ((self = [super init])) { self.delegate = self; CALayer * superLayer = self.tabBar.layer; CALayer * layer = [CALayer layer]; layer.bounds = CGRectMake (0.0f, 0.0f, 62.0f, 56.0f); layer.contents = (id) [UIImage imageNamed: @"custom-tabbaritem"].CGImage; layer.anchorPoint = CGPointMake (0.5f, 1.0f); layer.position = CGPointMake (superLayer.bounds.size.width / 2.0f, superLayer.bounds.size.height); layer.zPosition = 1.0f; [self.tabBar.layer addSublayer: layer]; } return self; } </code></pre> Note that you can also use <code>layer.frame = CGRectMake (...)</code> in place of <code>bounds</code>, <code>anchorPoint</code> and <code>position</code>. I am using these ones to better deal with images with various heights by anchoring the sublayer to the bottom of the <code>UITabBar</code>. By implementing a UITabBarControllerDelegate method such as <code>tabBarController:shouldSelectViewController:</code> it is possible to make this <code>UITabBarItem</code> do custom actions, for example presenting a modal view controller. In this case I used a plain <code>UIViewController</code> as the view controller for the custom <code>UITabBarItem</code> (the other ones are all subclasses): <pre><code>- (BOOL) tabBarController: (UITabBarController *) tabBarController shouldSelectViewController: (UIViewController *) viewController { if ([viewController isMemberOfClass: [UIViewController class]]) { SomeViewController * modal = [SomeViewController new]; [tabBarController presentViewController: modal animated: YES completion: nil]; modal = nil; return NO; } return YES; } </code></pre>
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1. POAn unwanted line on Tab bar controller under ios7
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1. USLorenzo Bevilacqua
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1. USLorenzo Bevilacqua
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1. COThank you for this detailed explanation, I'll try it for another project.
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