pop&dismiss 

1 //dismiss到根视图
2 - (void)dismissToRootViewController{
3     UIViewController *vc = self;
4     while (vc.presentingViewController) {
5         vc = vc.presentingViewController;
6     }
7     [vc dismissViewControllerAnimated:YES completion:nil];
8 }
//这种更有效

　　UIViewController *vc =self.presentingViewController;

    while (![vc isKindOfClass:[[UIApplication sharedApplication].keyWindow.rootViewController class]]) {

        vc = vc.presentingViewController;

    }

    [vc dismissViewControllerAnimated:YES completion:nil];

1     //dismiss到指定界面
2     UIViewController *vc =self.presentingViewController;
3     while (![vc isKindOfClass:[[UIApplication sharedApplication].keyWindow.rootViewController class]]) {
4         vc = vc.presentingViewController;
5     }
6     [vc dismissViewControllerAnimated:YES completion:nil];
  [self.navigationController popToRootViewControllerAnimated:YES];//pop到根视图
1   for (UIViewController *controller in self.navigationController.viewControllers) {
2         if ([controller isKindOfClass:[WekeWordLockViewController class]]) {
3             WekeWordLockViewController *vc = (WekeWordLockViewController *)controller;
4             [self.navigationController popToViewController:vc animated:YES];
5         }
6     }

 

posted @ 2018-06-13 15:53  小师傅啊小师傅  阅读(119)  评论(0)    收藏  举报