设置提醒图标，设置状态栏

    //设置提醒图标

   
//1.获取UIApplication对象

   
UIApplication
*app = [UIApplication

sharedApplication];

   
//2.注册用户通知

   
UIUserNotificationSettings
*notice = [UIUserNotificationSettings

settingsForTypes:UIUserNotificationTypeBadge

categories:nil];

    [app
registerUserNotificationSettings:notice];

   
//3.设置提醒值
    app.applicationIconBadgeNumber
=
10;

    //设置状态栏

   
//1.获取UIApplication对象

   
UIApplication
*app = [UIApplication

sharedApplication];

   
//隐藏状态栏

    app.statusBarHidden
=
NO;

   
//设置状态栏类型
    app.statusBarStyle
=
UIStatusBarStyleLightContent;