- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    
    ViewController *vc1 = [[ViewController alloc] init];
    
    UserGuideViewController *vc2 = [[UserGuideViewController alloc] init];
    
    UITabBarController *tabBarController = [[UITabBarController alloc] init];
    tabBarController.viewControllers 
 
= [[NSArray alloc] initWithObjects:vc1, vc2, nil];
    
    for(int i=0; i<tabBarController.tabBar.items.count; i++) {
        UITabBarItem *item = [tabBarController.tabBar.items objectAtIndex:i];
        
        item.title = [NSString stringWithFormat:@"子欄目%d",i];
        
        NSDictionary *dict = [NSDictionary dictionaryWithObjectsAndKeys:[UIColor grayColor],UITextAttributeTextColor, nil];
        [item setTitleTextAttributes:dict forState:UIControlStateNormal];
        
        NSDictionary 
 
*dict2 = [NSDictionary dictionaryWithObjectsAndKeys:[UIColor redColor],
                               UITextAttributeTextColor,nil];
        [item setTitleTextAttributes:dict2 forState:UIControlStateSelected];
    }
    
    self.window.rootViewController = tabBarController;
    [self.window makeKeyAndVisible];
    
    
 
return YES;
}