@implementation ViewController
#pragma mark - 打开网页
- (IBAction)btnClick:(id)sender {
// URL：资源路径
// URL：协议头://域名+路径 http,https,file,tel
// 协议头:
// 打开网页 @"http://www.baidu.com"
NSURL *url = [NSURL URLWithString:@"http://www.baidu.com"];
[[UIApplication sharedApplication] openURL:url];
}
#pragma mark - 隐藏状态栏
- (void)statusHidden
{
// 获取UIApplication
UIApplication *app = [UIApplication sharedApplication];
// 隐藏状态栏
// [app setStatusBarHidden:YES];
[app setStatusBarHidden:YES withAnimation:UIStatusBarAnimationSlide];
}
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
}
#pragma mark - 控制器设置状态栏
// 在iOS7以后，状态栏默认由控制器决定
// 隐藏状态栏
//- (BOOL)prefersStatusBarHidden
//{
// return YES;
//}
//- (UIStatusBarStyle)preferredStatusBarStyle
//{
// return UIStatusBarStyleLightContent;
//}
#pragma mark - 设置提醒数字
- (void)application
{
// 1.整个app中只有一个UIApplication
// UIApplication *app = [[UIApplication alloc] init];
UIApplication *app = [UIApplication sharedApplication];
// 2.UIApplication一般用来做一些应用级别的操作（app的提醒框，联网状态，打电话，打开网页，控制状态栏）
// UIApplication *app1 = [UIApplication sharedApplication];
// 设置appIcon提醒数字，必须注册用户通知
app.applicationIconBadgeNumber = 10;
// 创建用户通知
UIUserNotificationSettings *settings = [UIUserNotificationSettings settingsForTypes:UIUserNotificationTypeBadge categories:nil];
// 注册用户的通知
[app registerUserNotificationSettings:settings];
// 设置联网状态
app.networkActivityIndicatorVisible = YES;
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}