[iOS] UITapGestureRecognizer example on UIView

GestureRecognizerExample

- (void)viewDidLoad
{
    [super viewDidLoad];

    UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
    view.backgroundColor = [UIColor redColor];
    [self.view addSubview:view];
    
    UITapGestureRecognizer *tapGestureRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handler:)];
    [tapGestureRecognizer setNumberOfTapsRequired:1];
    [tapGestureRecognizer setNumberOfTouchesRequired:1];
    [view addGestureRecognizer:tapGestureRecognizer];
}

- (void)handler:(UITapGestureRecognizer*)sender
{
    UIView *view = sender.view;
}