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POPost NSNotification to new ViewController
 

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    <p>I have Tabbed Application with 5 tabs.</p> <p>App starts on tab with index 0</p> <p>When my app recive push notification, i want to push new view controller in tab with index 1.</p> <p>My code:</p> <p>AppDelegate</p> <pre><code>- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)pushData { UITabBarController *tabb = (UITabBarController *)self.window.rootViewController; tabb.selectedIndex = 1; [[NSNotificationCenter defaultCenter] postNotificationName:@"pushImage" object:@"this is my item id from pushData"]; } </code></pre> <p>ProfileViewController (tab index 1)</p> <pre><code>- (void)viewDidLoad { [super viewDidLoad]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(pushImage:) name:@"pushImage" object:nil]; } -(void) pushImage: (NSNotification*) notification { NSString* text = notification.object; NSLog(@"My id from pushData: %@", text); } </code></pre> <p>My problem is that the ProfileViewController can not response to the notification, because the initialisation not already done, when the AppDelegate fire the notification.</p> <p>If a manually open the tab 1 and switch back to tab 0 again, an then post the notification, it perfectly respons to it. So i need to post notification after the tab 1 is loaded, how can i hand this? </p> <p>My solution of pushing new VC from AppDelegate in TabBarApplication</p> <pre><code> - (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)pushData { // ...... if([[pushData objectForKey:@"type"] integerValue] == 0){ // .... } else if([[pushData objectForKey:@"type"] integerValue] == 2){ [self handleLikePush:pushData applicationState:application.applicationState]; } } -(void)handleLikePush:(NSDictionary *)pushData applicationState:(UIApplicationState) applicationState{ //.. DetailImageViewController *detailImage = [[DetailImageViewController alloc] initWithImageId:imageId]; [self pushViewControllerToCurrentTab:detailImage]; } } - (void)pushViewControllerToCurrentTab:(UIViewController *)vc{ UITabBarController *tabBarController = (UITabBarController *)self.window.rootViewController; UINavigationController *selectedTabNC = (UINavigationController *)tabBarController.selectedViewController; if (selectedTabNC != nil) { [selectedTabNC pushViewController:vc animated:YES]; } else{ NSLog(@"NavigationController not found"); } } </code></pre>
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    1. COAdd observer from other class.
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    2. COCan you please describe this solution a little bit deeper? May be with code example, thx
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