model-view-controller - 本地通知和打开特定屏幕

Question

当我收到本地通知时，我想打开我的特定屏幕。目前在我的应用程序中，我同时使用了导航控制器和模型视图控制器，因此在导航控制器时，应用程序正在切换任何视图，但是当模型控制器退出时。它没有打开屏幕。请提出任何解决方案？

Answer 1

There are two way to launch app when notification comes.

1-应用程序在后台运行。然后打开特定屏幕，如 - (void)application:(UIApplication *)application didReceiveLocalNotification: (UILocalNotification *)notification {

   // write this line  
   [[NSNotificationCenter defaultCenter] postNotificationName:@"reloadData" object:self];


}

in which controller class you are create notification.
- (void)viewDidLoad
 {
    [super viewDidLoad];

      [[NSNotificationCenter defaultCenter] addObserver:self
                                         selector:@selector(reloadTable)
                                             name:@"reloadData"
                                           object:nil];
   }

- (void)reloadTable
  {
     //  create object of that controller which your want to open.

    UIStoryboard *sb = [UIStoryboard storyboardWithName:@"MainStoryboard" bundle:nil];
     AddToDoViewController *cvc = (AddToDoViewController *)[sb    instantiateViewControllerWithIdentifier:@"AddToDo"];

    [self presentModalViewController:cvc animated:YES];

}