Objective c IOS8推送通知

我正在尝试注册Ipad，以便在没有任何运气的情况下进行推送通知。我尝试了以下代码，但在IOS8上出现错误“RegisterForRemotionTificationTypes:在IOS8.0及更高版本中不受支持”。尽管它在IOS7上工作正常

- (BOOL)application:(UIApplication*)application didFinishLaunchingWithOptions:(NSDictionary*)launchOptions
{
    CGRect screenBounds = [[UIScreen mainScreen] bounds];


    if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 8.0)
    {
        NSLog(@"+++++++++++++");

        [[UIApplication sharedApplication] registerUserNotificationSettings:[UIUserNotificationSettings settingsForTypes:(UIUserNotificationTypeSound | UIUserNotificationTypeAlert | UIUserNotificationTypeBadge) categories:nil]];
        [[UIApplication sharedApplication] registerForRemoteNotifications];
    }
    else
    {
        NSLog(@"============");
        [[UIApplication sharedApplication] registerForRemoteNotificationTypes:
        (UIUserNotificationTypeBadge | UIUserNotificationTypeSound | UIUserNotificationTypeAlert)];
    }

---

更好的方法：

if ([[UIApplication sharedApplication] respondsToSelector:@selector(registerUserNotificationSettings:)])
{
    // iOS 8 Notifications
    // use registerUserNotificationSettings
    [[UIApplication sharedApplication] registerUserNotificationSettings:[UIUserNotificationSettings settingsForTypes:(UIUserNotificationTypeSound | UIUserNotificationTypeAlert | UIUserNotificationTypeBadge) categories:nil]];
    [[UIApplication sharedApplication] registerForRemoteNotifications];
}
else
{
    // iOS < 8 Notifications
    // use registerForRemoteNotifications
    [[UIApplication sharedApplication] registerForRemoteNotificationTypes: UIRemoteNotificationTypeBadge | UIRemoteNotificationTypeSound | UIRemoteNotificationTypeAlert];
}

if（[[UIApplication sharedApplication]respondsToSelector:@selector（registerUserNotificationSettings:）]））
{
//iOS 8通知
//使用注册表通知设置
[[UIApplication sharedApplication]registerUserNotificationSettings:[UIUserNotificationSettings设置类型：（UIUserNotificationTypeSound | UIUserNotificationTypeAlert | UIUserNotificationTypeBadge）类别：nil]；
[[UIApplication sharedApplication]注册表项的删除]；
}
其他的
{
//iOS<8通知
//使用注册表进行删除
[[UIApplication sharedApplication]RegisterForRemotionTificationType:UIRemoteNotificationTypeBadge | UIRemoteNotificationTypeSound | UIRemoteNotificationTypeAlert]；
}

我已经尝试过上述代码，但现在出现此错误2014-10-11 13:00:53.555测试应用[927:173651]iOS 8.0及更高版本不支持enabledRemoteNotificationTypes。