- (void)applicationDidFinishLaunching:(UIApplication *)app {
    // Configure the user interactions first.
    [self configureUserInteractions];

   // Register for remote notifications.
    [[UIApplication sharedApplication] registerForRemoteNotifications];
}

// Handle remote notification registration.
- (void)application:(UIApplication *)app
        didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)devToken {
    // Forward the token to your provider, using a custom method.
    [self enableRemoteNotificationFeatures];
    [self forwardTokenToServer:devTokenBytes];
}

- (void)application:(UIApplication *)app
        didFailToRegisterForRemoteNotificationsWithError:(NSError *)err {
    // The token is not currently available.
    NSLog(@"Remote notification support is unavailable due to error: %@", err);
    [self disableRemoteNotificationFeatures];
}