IOS中隐藏状态栏

隐藏状态栏的方法很简单，这里直接上代码

- (void)viewDidLoad {    [super viewDidLoad];    [self prefersStatusBarHidden];    // Do any additional setup after loading the view, typically from a nib.}-(BOOL)prefersStatusBarHidden{    return YES;//如果要让状态栏显示，就返回NO或者不执行这段代码}