iOS8.0推送通知的注册方法

- (void)registerRemoteNotification{        if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 8.0)    {        [[UIApplication sharedApplication] registerUserNotificationSettings:[UIUserNotificationSettings                                                                             settingsForTypes:(UIUserNotificationTypeSound | UIUserNotificationTypeAlert | UIUserNotificationTypeBadge)                                                                             categories:nil]];        [[UIApplication sharedApplication] registerForRemoteNotifications];    }    else    {        UIRemoteNotificationType apn_type = (UIRemoteNotificationType)(UIRemoteNotificationTypeAlert|UIRemoteNotificationTypeSound|UIRemoteNotificationTypeBadge);        [[UIApplication sharedApplication] registerForRemoteNotificationTypes:apn_type];    }        }