- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // Override point for customization after application launch.

    [[TalkChain sharedManager] initWithAPIKey:kApiKey delegate:self];

    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] ;

    LoginViewController *task = [[LoginViewController alloc]     initWithNibName:@"LoginViewController" bundle:nil];

    UINavigationController *nav = [[UINavigationController alloc]  initWithRootViewController:task];
    self.window.rootViewController = nav;
    [self.window makeKeyAndVisible];
     [[UIApplication sharedApplication] setStatusBarHidden:YES];
}