这是国旗吗？

- (void)viewDidLoad {

[super viewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

UIView *redView = [[UIView alloc] init];

redView.frame=CGRectMake(0, 100, 100, 200);

redView.backgroundColor=[UIColor greenColor];

[self.view addSubview:redView];

UIView *greenView =[[UIView alloc]init];

greenView.frame=CGRectMake(100, 100, 100, 200);

greenView.backgroundColor=[UIColor redColor];

[self.view addSubview:greenView];

UIView *blackView =[[UIView alloc]init];

blackView.frame=CGRectMake(200, 100, 100, 200);

blackView.backgroundColor=[UIColor blackColor];

[self.view addSubview:blackView];

这是国旗吗？