iOS8中registerUserNotificationSettings的奇怪行为

概述我尝试在应用程序启动时仅注册警报类型通知 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions 通过电话 UIUserNotificationType types = UIUserNotificationTypeAlert;UIUs 我尝试在应用程序启动时仅注册警报类型通知

- (BOol)application:(UIApplication *)application dIDFinishLaunchingWithOptions:(NSDictionary *)launchOptions

通过电话

UIUserNotificationType types = UIUserNotificationTypeAlert;UIUserNotificationSettings *settings = [UIUserNotificationSettings settingsForTypes:types categorIEs:nil];[[UIApplication sharedApplication] registerUserNotificationSettings:settings];

在

- (voID)application:(UIApplication *)application dIDRegisterUserNotificationSettings:(UIUserNotificationSettings *)notificationSettings

我永久地在notificationSettings中获取所有类型

<UIUserNotificationSettings: 0x16dd6160; types: (UIUserNotificationTypeAlert UIUserNotificationTypeBadge UIUserNotificationTypeSound);>

和

UIUserNotificationSettings *settings = [[UIApplication sharedApplication] currentUserNotificationSettings]

尽管我最初选择了唯一的警报类型,但它给了我相同的所有类型.

所以我无法在启动时设置受限制的动态权限.

互联网上没有关于类似问题的任何信息.

解决方法 似乎无法从iOS8中的应用程序设置UserNotificationType(至少).需要使用通用通知中心来设置声音,徽章和警报的任意组合.只有首次尝试注册与推送通知权限警报一起发生时才需要设置UserNotificationType.

另一种方法是在订阅时将UserNotificationType发送到您的推送服务器,该推送服务器应根据此类型生成有效负载.

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