iOS / XCode: how to know that app has been launched with a click on notification or on springboard app icon?

Question

I would like to know if there is a way to know if an app (which can be closed or open in background) has been launched with a click on:

• a notification (in the

Answer 1

put this code:

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    UILocalNotification *notification = launchOptions[UIApplicationLaunchOptionsLocalNotificationKey];

    if (notification) {
        // launched from notification
    } else {
        // from the springboard
    }
}

in your UIApplicationDelegate.