ios8 远程推送的注册代码

if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 8.0){
        
        [[UIApplication sharedApplication] registerUserNotificationSettings:[UIUserNotificationSettings settingsForTypes:(UIUserNotificationTypeSound | UIUserNotificationTypeAlert | UIUserNotificationTypeBadge) categories:nil]];        [[UIApplication sharedApplication] registerForRemoteNotifications];
    }else
    {
        [[UIApplication sharedApplication] registerForRemoteNotificationTypes:         (UIUserNotificationTypeBadge | UIUserNotificationTypeSound | UIUserNotificationTypeAlert)];
    }