如何查找推送通知是否已启用？

Question

我想知道用户是否已经启用了脓通知，该怎么做？

我试过这个..

  UIRemoteNotificationType types = [[UIApplication sharedApplication] enabledRemoteNotificationTypes];
  if (types ==  UIRemoteNotificationTypeNone){

       NSLog(@"Push is off");

    }

但它不起作用，“类型”总是给出值“7”

Answer 1

UIRemoteNotificationType类型：

0 - None
1 - Badge,
2 - Sound,
4 - Alert,
5 - Badge & Alert Only,
6 - Alert & Sound Only,
7 - All Badge,Sound,Alert.
8 - NewsstandContentAvailability.