didReceiveRemoteNotification: fetchCompletionHandler: open from icon vs push notification

Ok I figured it out. The method is actually called twice (once when it receives the push, and once when the user interacts with the icon or the notification).

- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo fetchCompletionHandler:(void (^)(UIBackgroundFetchResult))completionHandler {    if(application.applicationState == UIApplicationStateInactive) {        NSLog(@"Inactive");        //Show the view with the content of the push        completionHandler(UIBackgroundFetchResultNewData);    } else if (application.applicationState == UIApplicationStateBackground) {        NSLog(@"Background");        //Refresh the local model        completionHandler(UIBackgroundFetchResultNewData);    } else {        NSLog(@"Active");        //Show an in-app banner        completionHandler(UIBackgroundFetchResultNewData);    }}

Thanks Tim Castelijns for the following addition:

Note: the reason it's called twice is due to the Payload having content_available : 1. If you remove the key and its value, then it will only run upon tapping. This will not solve everyone's problem since some people need that key to be true

@MikeV's solution in Swift 3 (but with switch statement):

func application(_ application: UIApplication, didReceiveRemoteNotification userInfo: [AnyHashable : Any], fetchCompletionHandler completionHandler: @escaping (UIBackgroundFetchResult) -> Void) {    switch application.applicationState {    case .inactive:        print("Inactive")        //Show the view with the content of the push        completionHandler(.newData)    case .background:        print("Background")        //Refresh the local model        completionHandler(.newData)    case .active:        print("Active")        //Show an in-app banner        completionHandler(.newData)    }}

@MikeV's solution in Swift 2:

func application(application: UIApplication, didReceiveRemoteNotification userInfo: [NSObject : AnyObject], fetchCompletionHandler completionHandler: (UIBackgroundFetchResult) -> Void) {    if(application.applicationState == UIApplicationState.Inactive)    {        print("Inactive")        //Show the view with the content of the push        completionHandler(.NewData)    }else if (application.applicationState == UIApplicationState.Background){        print("Background")        //Refresh the local model        completionHandler(.NewData)    }else{        print("Active")        //Show an in-app banner        completionHandler(.NewData)    }}