myLabel.textAlignment = NSTextAlignmentCenter;

myLabel.textAlignment = NSTextAlignment.center

label = [[UILabel alloc] initWithFrame:CGRectMake(60, 30, 200, 12)];
label.textAlignment = NSTextAlignmentCenter;

myUILabel.textAlignment = .Center

myUILabel.textAlignment = NSTextAlignment.Center

label.textAlignment = .center

Label.textAlignment = NSTextAlignmentCenter;

title.TextAlignment = UITextAlignment.Center;