我试图提出一个视图控制器(密码请求类型视图),每次我的应用程序变为活动状态。一旦输入正确的密码,它应该弹出堆栈。我试图推送的密码视图不是初始视图控制器,所以我无法通过AppDelegate的applicationDidBecomeActive访问它。从AppDelegate呈现特定的视图控制器
我也尝试从我的MainViewController的ViewWillAppear推送密码视图,但它不会在应用程序变为活动状态时被调用;只有当屏幕刷新时才会显示。
过去几天我一直在研究类似的问题,但我仍然不理解正确的方法。我听说我可能无法以这种方式推送视图,因为可能会在Storyboard或NavigationController连接/初始化/ etc之前调用applicationDidBecomeActive。
如果任何人都可以提供正确的方式来推送/呈现视图,或者如果有其他地方会更好地做这种事情,我会很感激。
已解决:我刚刚从故事板中删除了视图,而是使用了笔尖。我用:
PasscodeUnlockVC *passcodeUnlock = [[PasscodeUnlockVC alloc] initWithNibName:@"PasscodeUnlockVC" bundle:[NSBundle mainBundle]];
[(UINavigationController *)self.window.rootViewController pushViewController:passcodeUnlock animated:NO];
景观层次数据:
(gdb) po [[(id)UIApp keyWindow] recursiveDescription]
<UIWindow: 0x736a4b0; frame = (0 0; 320 480); layer = <UIWindowLayer: 0x7367b40>>
| <UILayoutContainerView: 0x76977a0; frame = (0 0; 320 480); autoresize = W+H; layer = <CALayer: 0x769de60>>
| | <UINavigationTransitionView: 0x7692110; frame = (0 0; 320 480); clipsToBounds = YES; autoresize = W+H; layer = <CALayer: 0x769a8c0>>
| | | <UIViewControllerWrapperView: 0x73868d0; frame = (0 64; 320 416); autoresize = W+H; layer = <CALayer: 0x75510e0>>
| | | | <UIView: 0x76b93e0; frame = (0 0; 320 416); autoresize = W+H; layer = <CALayer: 0x7386850>>
| | <UINavigationBar: 0x73664b0; frame = (0 20; 320 44); clipsToBounds = YES; opaque = NO; autoresize = W; layer = <CALayer: 0x7366550>>
| | | <UINavigationBarBackground: 0x7360ea0; frame = (0 0; 320 44); opaque = NO; userInteractionEnabled = NO; layer = <CALayer: 0x7366520>> - (null)
| | | <UINavigationItemView: 0x76b95e0; frame = (160 21; 0 0); opaque = NO; userInteractionEnabled = NO; layer = <CALayer: 0x76aa8e0>>
| | | <UINavigationItemButtonView: 0x7550650; frame = (5 7; 73 30); opaque = NO; userInteractionEnabled = NO; layer = <CALayer: 0x7368b40>>
Current language: auto; currently objective-c
(gdb)
我不熟悉的'viewDidBecomeActive'消息,当我搜索'developer.apple.com'吧,我没有得到结果。也许你应该告诉我们更多关于这种方法,或者甚至向我们展示你的代码。 – 2012-03-03 18:59:30
对不起,我的意思是applicationDidBecomeActive。我将编辑帖子。 – 2012-03-03 19:08:16
我试图复制你的模态视图显示,但它告诉我pushViewController:动画是无法识别的,你能告诉我,如果你在iOS 6上尝试过吗? – perrohunter 2012-11-12 22:24:23