IOS错误之 ---- registerForRemoteNotificationTypes: is not supported

IOS8 PUSH解决方法


昨天晚上整理PUSH的东西，准备些一个教程，全部弄好之后，发现没有达到预期的效果，本以为是服务器代码的问题（因为本人对PHP代码一点都不懂），所以在网上四处搜索，后来看xcode log才发现，原来是IOS8系统更新了的问题，提示 registerForRemoteNotificationTypes: is not supported in iOS 8.0 and later.


使用IOS8 xcode6的同学，在使用推送（push）的时候应该已经出现这个问题了。那么让我们来看看具体的解决方法。


iOS 8 has changed notification registration in a non-backwards compatible way. While you need to support iOS 7 and 8 (and while apps built with the 8 SDK aren't accepted), you can check for the selectors you need and conditionally call them correctly for the running version.


Here's a category on UIApplication that will hide this logic behind a clean interface for you that will work in both Xcode 5 and Xcode 6.


// IOS8 新系统需要使用新的代码咯
if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 8.0)
{
    [[UIApplication sharedApplication] registerUserNotificationSettings:[UIUserNotificationSettings 
     settingsForTypes:(UIUserNotificationTypeSound | UIUserNotificationTypeAlert | UIUserNotificationTypeBadge)      
categories:nil]];


    [[UIApplication sharedApplication] registerForRemoteNotifications];
}
else
{
//这里还是原来的代码
    [[UIApplication sharedApplication] registerForRemoteNotificationTypes:
     (UIUserNotificationTypeBadge | UIUserNotificationTypeSound | UIUserNotificationTypeAlert)];
}


原本在IOS7当中 判断PUSH是否打开的方法是：
UIRemoteNotificationType types = [[UIApplication sharedApplication] enabledRemoteNotificationTypes];
return (types & UIRemoteNotificationTypeAlert);


如果将这段代码使用在 IOS当中，虽然不会出现crash的现象，但是基本没什么作用。
在IOS8中，我们使用如下的新代码来取代以上的代码


{
UIRemoteNotificationType types;
if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 8.0)
   {
 types = [[UIApplication sharedApplication] currentUserNotificationSettings].types;
    }
else
   {
 types = [[UIApplication sharedApplication] enabledRemoteNotificationTypes];
    }


return (types & UIRemoteNotificationTypeAlert);
}




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