很久沒搞一個老項目，搞完后锯玛，用戶反饋角標(biāo)不行了咐柜，發(fā)現(xiàn)是接入極光也得加這行代碼，要不然沒有通知攘残。拙友。。沒通知就沒角標(biāo)歼郭，然后要開啟background mode的遠程推送遗契，就又有角標(biāo)了
-
(void)registerPushNotification {
UNUserNotificationCenter *center = [UNUserNotificationCenter currentNotificationCenter];
[center requestAuthorizationWithOptions:(UNAuthorizationOptionBadge | UNAuthorizationOptionSound | UNAuthorizationOptionAlert) completionHandler:^(BOOL granted, NSError * _Nullable error) {if (!granted) { }}];
}
