Iphone UISplitViewController popover为空
我使用UISplitViewController,其中UITabbarController作为主视图,导航控制器作为详细视图。主视图上的每个选项卡都包含一个导航控制器。选择主视图上的任何选项卡后,将在局部视图导航控制器上推送视图Iphone UISplitViewController popover为空,iphone,uipopovercontroller,ipad,Iphone,Uipopovercontroller,Ipad,我使用UISplitViewController,其中UITabbarController作为主视图,导航控制器作为详细视图。主视图上的每个选项卡都包含一个导航控制器。选择主视图上的任何选项卡后,将在局部视图导航控制器上推送视图 recentsviewController = [[RecentsViewController_ipad alloc]initWithNibName:@"RootViewController" bundle:nil]; recentsNav = [[UINavigati
recentsviewController = [[RecentsViewController_ipad alloc]initWithNibName:@"RootViewController" bundle:nil];
recentsNav = [[UINavigationController alloc] initWithRootViewController:recentsviewController];
//similarly rootNav and favNav
NSArray* controllers = [NSArray arrayWithObjects:recentsNav,self.rootNav,favNav,nil];
self.tabbarController.viewControllers = controllers;
detailViewController=[[LoginViewController_ipad alloc]init];
detailNav=[[UINavigationController alloc]initWithRootViewController:detailViewController];
splitViewController =[[UISplitViewController alloc]init];
splitViewController.viewControllers=[NSArray arrayWithObjects:self.tabbarController,self.detailNav,nil];
splitViewController.delegate = self.detailViewController;
[self.window addSubview:splitViewController.view];
[self.window makeKeyAndVisible];
这似乎很有效。当应用程序进入纵向模式时,导航栏上会添加一个“浏览”按钮。单击此按钮将显示隐藏视图以及选项卡。我可以在选项卡之间切换,并处理弹出窗口中显示的视图。当点击除popover区域外的其他区域时,popover将按预期关闭
两件不起作用的事情是
- (void)splitViewController: (UISplitViewController*)svc willHideViewController:(UIViewController *)aViewController withBarButtonItem:(UIBarButtonItem*)barButtonItem forPopoverController: (UIPopoverController*)pc {
barButtonItem.title = @"Browse";
[[self navigationItem] setLeftBarButtonItem:barButtonItem];
self.appDelegate.rootPopoverButtonItem = barButtonItem;
self.appDelegate.splitViewPopover = pc;
[self.appDelegate.splitViewPopover presentPopoverFromBarButtonItem:self.appDelegate.rootPopoverButtonItem permittedArrowDirections:UIPopoverArrowDirectionUp animated:NO];
}
这会在每次方向更改时添加一个黑色半透明的popover。如何使其显示单击浏览按钮时显示的内容?
通常的解雇在这里似乎不起作用
非常感谢您的帮助。使用performSelector:withObject:afterDelay:修复了此问题