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2014/10/15 ¤U¤È 10:14:11
iphone Programming Glossary: shouldselectviewcontrollerPrevent automatic popToRootViewController on double-tap of UITabBarController http://stackoverflow.com/questions/1849975/prevent-automatic-poptorootviewcontroller-on-double-tap-of-uitabbarcontroller simpler way iphone uinavigationcontroller uitabbarcontroller share improve this question Use the tabBarController shouldSelectViewController method of the UITabBarControllerDelegate protocol . BOOL tabBarController UITabBarController tabBarController shouldSelectViewController.. method of the UITabBarControllerDelegate protocol . BOOL tabBarController UITabBarController tabBarController shouldSelectViewController UIViewController viewController return viewController tabBarController.selectedViewController Don't forget to set the delegate..
how to get the event that switch tab menu on iphone http://stackoverflow.com/questions/2041982/how-to-get-the-event-that-switch-tab-menu-on-iphone addSubview tabBarController.view Then implement either BOOL tabBarController UITabBarController tabBarController shouldSelectViewController UIViewController viewController void tabBarController UITabBarController tabBarController didSelectViewController UIViewController..
Disable action - user taps on tabbar item to go to root view controller http://stackoverflow.com/questions/4191504/disable-action-user-taps-on-tabbar-item-to-go-to-root-view-controller system wide shortcut #pragma mark #pragma mark UITabBarControllerDelegate BOOL tabBarController UITabBarController tbc shouldSelectViewController UIViewController vc UIViewController tbSelectedController tbc.selectedViewController if tbSelectedController isEqual vc.. look at the UITabBarController delegate there is a method BOOL tabBarController UITabBarController tabBarController shouldSelectViewController UIViewController viewController If you implement this in your class you can check if the UIViewController is the already..
iPhone: How can I build my own TabBar? http://stackoverflow.com/questions/4911975/iphone-how-can-i-build-my-own-tabbar In whatever class conforms to your tab bar controller's delegate e.g. your app delegate implement tabBarController shouldSelectViewController and call updateTabBarImageForViewControllerIndex on your custom tab bar subclass Basically you want to notify your tab bar.. images but it's a little more work. MyAppDelegate.m BOOL tabBarController UITabBarController tabBarController shouldSelectViewController UIViewController viewController Determine the index based on the selected view controller NSUInteger viewControllerIndex.. and take advantage of layer contents. MyAppDelegate.m BOOL tabBarController UITabBarController tabBarController shouldSelectViewController UIViewController viewController Determine the image name based on the selected view controller CGImageRef newTabBarImageRef..
tab bar second tap pops to navigation controller - how to stop it http://stackoverflow.com/questions/6585899/tab-bar-second-tap-pops-to-navigation-controller-how-to-stop-it individual viewcontrollers on each tab. First tap 0 class Crossing 0x645c8a0 1 class FavoritesViewController 0x64ac140 shouldSelectViewController UINavigationController UINavigationController topclass FavoritesViewController myTabBarController.selectedViewController.. topclass FavoritesViewController Second tap 0 class Crossing 0x645c8a0 1 class FavoritesViewController 0x64ac140 shouldSelectViewController UINavigationController UINavigationController topclass FavoritesViewController myTabBarController.selectedViewController.. this but the way to do it is by doing something like this BOOL tabBarController UITabBarController tabBarController shouldSelectViewController UIViewController viewController if tabBarController.viewControllers indexOfObject viewController tabBarController.selectedIndex..
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