大佬教程收集整理的这篇文章主要介绍了iphone – 如何在更多部分获得UITabBarItem的标题?,大佬教程大佬觉得挺不错的,现在分享给大家,也给大家做个参考。
- (void)tabBarController:(UITabBarController *)tabBarController did@R_262_10288@ctViewController:(UIViewController *)viewController { if ([self.tabBarController.@R_262_10288@ctedViewController.title isEqualToString:@"All"]) { //do something } }
- (void)tabBarController:(UITabBarController *)tabBarController did@R_262_10288@ctViewController:(UIViewController *)viewController { NSLog(@"controller class: %@",NSStringFromClass([viewController class])); NSLog(@"controller title: %@",viewController.titlE); }
在快速测试中,只需在xcode中添加几个控制器,这就是您在控制台中获得的:
2011-03-28 09:13:21.795 TabTest[39015:207] controller class: UIViewController 2011-03-28 09:13:21.797 TabTest[39015:207] controller title: (null) 2011-03-28 09:13:23.922 TabTest[39015:207] controller class: UITableViewController 2011-03-28 09:13:23.925 TabTest[39015:207] controller title: (null) 2011-03-28 09:13:24.505 TabTest[39015:207] controller class: UITableViewController 2011-03-28 09:13:24.506 TabTest[39015:207] controller title: (null) 2011-03-28 09:13:24.945 TabTest[39015:207] controller class: UIMoreNavigationController 2011-03-28 09:13:24.945 TabTest[39015:207] controller title: More
另一方面,当您在“更多”列表中选择一个控制器时,您将不会在UITabBarControllerDelegate方法中得到通知(很奇怪,恕我直言).为了帮助您在该列表中选择控制器时收到通知,您可以执行以下操作:
- (void)tabBarController:(UITabBarController *)tabBarController did@R_262_10288@ctViewController:(UIViewController *)viewController { NSLog(@"controller class: %@",viewController.titlE); if (viewController == tabBarController.moreNavigationController) { tabBarController.moreNavigationController.delegate = self; } } - (void)navigationController:(UINavigationController *)navigationController didShowViewController:(UIViewController *)viewController animated:(BOOL)animated { if (navigationController == self.tabBarController.moreNavigationController) { NSLog(@"more controller class: %@",NSStringFromClass([viewController class])); NSLog(@"more controller title: %@",viewController.titlE); } }
当然,您的类还应该实现UINavigationControllerDelegate协议.
这是样本运行的结果,使用上面的代码并在UITabBar和“more”列表中点击几次:
2011-03-28 09:27:42.496 TabTest[39113:207] controller class: UIViewController 2011-03-28 09:27:42.498 TabTest[39113:207] controller title: (null) 2011-03-28 09:27:44.306 TabTest[39113:207] controller class: UIMoreNavigationController 2011-03-28 09:27:44.307 TabTest[39113:207] controller title: More 2011-03-28 09:27:44.310 TabTest[39113:207] more controller class: UIMoreListController 2011-03-28 09:27:44.311 TabTest[39113:207] more controller title: More 2011-03-28 09:27:45.632 TabTest[39113:207] more controller class: SecondViewController 2011-03-28 09:27:45.634 TabTest[39113:207] more controller title: (null) 2011-03-28 09:27:47.156 TabTest[39113:207] more controller class: UIMoreListController 2011-03-28 09:27:47.156 TabTest[39113:207] more controller title: More 2011-03-28 09:27:48.581 TabTest[39113:207] controller class: UITableViewController 2011-03-28 09:27:48.582 TabTest[39113:207] controller title: (null)
希望这可以帮助!
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