ios - 在屏幕底部放置一个标签

Question

我编写了以下代码，以在屏幕底部显示标签，具体取决于设备是iphone5还是iphone4 / 4s。

我想知道我还有另一种方法...例如使用自动布局？

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view.

    CGRect frame;
    if ([UIScreen mainScreen].bounds.size.height == 568) {
        frame = CGRectMake(140, 500, 320, 100);
    } else {
        frame = CGRectMake(140, 410, 320, 100);
    }

    UILabel *iconAdLabel = [[UILabel alloc]init];
    iconAdLabel.frame = frame;
    iconAdLabel.font = [[UIFont preferredFontForTextStyle:UIFontTextStyleBody] fontWithSize:11.0];
    iconAdLabel.text = @"SOME NICE TEXT HERE";

    [self.view addSubview:iconAdLabel];

}

Answer 1

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view.

    UILabel *iconAdLabel = [[UILabel alloc]init];
    iconAdLabel.frame = CGRectMake(0,self.view.frame.size.height-100,320,100);
    iconAdLabel.autoresizingMask = UIViewAutoresizingFlexibleTopMargin;

    [self.view addSubview:iconAdLabel];

}