IOS点击按钮隐藏状态栏详解及实例代码

@interface SecondViewController ()

@property (nonatomic, assign,getter=isHideStatus)BOOLhideStatus;

@end

@implementation SecondViewController

- (void)viewDidLoad {

  [super viewDidLoad];

  self.view.backgroundColor = [UIColor whiteColor];

  UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 300, 200)];

  button.center = self.view.center;

  button.backgroundColor = [UIColor blueColor];

  [button setTitle:@"隐藏导航栏"forState:UIControlStateNormal];

  [button addTarget:self action:@selector(hideFrame) forControlEvents:UIControlEventTouchUpInside];

  [self.view addSubview:button];

  self.hideStatus = [UIApplication sharedApplication].statusBarHidden;

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

}

- (void)hideFrame {

  [self setNeedsStatusBarAppearanceUpdate];//调用该方法后系统会调用prefersStatusBarHidden方法

  self.hideStatus = !self.hideStatus;

}

- (BOOL)prefersStatusBarHidden

{

  returnself.hideStatus;

}