iOS 8显示应用角标

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

    // Override point for customization after application launch.

    if ([[UIDevicecurrentDevice].systemVersiondoubleValue] >= 8.0)

    {

        UIUserNotificationType types =UIUserNotificationTypeBadge | UIUserNotificationTypeSound | UIUserNotificationTypeAlert;

        UIUserNotificationSettings *notificationSettings = [UIUserNotificationSettingssettingsForTypes:types categories:nil];

        [[UIApplicationsharedApplication] registerUserNotificationSettings:notificationSettings];

    }

    else

    {

        UIRemoteNotificationType types =UIUserNotificationTypeBadge | UIUserNotificationTypeSound | UIUserNotificationTypeAlert;

        [[UIApplicationsharedApplication] registerForRemoteNotificationTypes:types];

    }

    

    returnYES;

}