gistfile1.m

- (void)application:(UIApplication *)application handleWatchKitExtensionRequest:
                    (NSDictionary *)userInfo reply:(void(^)(NSDictionary *replyInfo))reply {
    
    __block UIBackgroundTaskIdentifier bgTask;
    
    bgTask = [application beginBackgroundTaskWithName:@"MyTask" expirationHandler:^{
        [application endBackgroundTask:bgTask];
        bgTask = UIBackgroundTaskInvalid;
    }];
    
    // Start the long-running task and return immediately.
    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
        
        // Do the work associated with the task, preferably in chunks.
        NSString *state = ([BluetoothLEHelper getBluetoothLEState] == BluetoothLEStateReady)
                                                 ? @"Connected!" : @"Not connected";
        
        NSArray *games = [Game sortedGames];
        NSMutableArray *gameDetails = [[NSMutableArray alloc] init];
        
        for (Game *game in games)
            [gameDetails addObject: @{@"id" : game.id , @"name" : game.name}];
        
        reply(@{@"Ball State" : state , @"Games" : gameDetails});
        
        [application endBackgroundTask:bgTask];
        bgTask = UIBackgroundTaskInvalid;
        
    });
}