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标题: ios - 当我的应用程序打开时,我会收到横幅通知。我不想在我的应用打开时显示横幅 [打印本页]

作者: 菜鸟教程小白    时间: 2022-12-13 05:40
标题: ios - 当我的应用程序打开时,我会收到横幅通知。我不想在我的应用打开时显示横幅

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我在我的 iOS 应用程序中使用 Firebase 通知,每当我收到通知时,即使应用程序打开,它也会显示为横幅。

当我们使用 iOS 原生远程通知方法时,实际上不会发生这种情况。

我尝试检查是否调用了默认的 iOS 方法,但它不起作用。

注册:

if(SYSTEM_VERSION_GRATERTHAN_OR_EQUALTO(@"10.0")){
        UNUserNotificationCenter *center = [UNUserNotificationCenter currentNotificationCenter];
        center.delegate = self;
        [center requestAuthorizationWithOptionsUNAuthorizationOptionSound | UNAuthorizationOptionAlert | UNAuthorizationOptionBadge) completionHandler:^(BOOL granted, NSError * _Nullable error){
            if( !error ){
                [[UIApplication sharedApplication] registerForRemoteNotifications];
            }
        }];
    }
    else{
        [application registerForRemoteNotifications];
    }

对于设备 token :

- (void)messagingnonnull FIRMessaging *)messaging didRefreshRegistrationTokennonnull NSString *)fcmToken {
    // Note that this callback will be fired everytime a new token is generated, including the first
    NSString* deviceTkn = [[NSString stringWithFormat"%@",fcmToken] stringByReplacingOccurrencesOfString"<" withString""];
}

接收通知:

-(void)userNotificationCenterUNUserNotificationCenter *)center willPresentNotificationUNNotification *)notification withCompletionHandlervoid (^)(UNNotificationPresentationOptions options))completionHandler{
    //Called when a notification is delivered to a foreground app.
    NSDictionary *userInfo = notification.request.content.userInfo;
    completionHandler(UNNotificationPresentationOptionAlert);
}

请帮我解决这个问题



Best Answer-推荐答案


您可以在此处设置演示样式警报,这就是显示横幅的原因。您应该根据苹果文档在完成处理程序中传递 UNNotificationPresentationOptionNone 。

https://developer.apple.com/documentation/usernotifications/unusernotificationcenterdelegate/1649518-usernotificationcenter?language=objc

-(void)userNotificationCenterUNUserNotificationCenter *)center willPresentNotificationUNNotification *)notification withCompletionHandlervoid (^)(UNNotificationPresentationOptions options))completionHandler{
    //Called when a notification is delivered to a foreground app.
    NSDictionary *userInfo = notification.request.content.userInfo;
    completionHandler(UNNotificationPresentationOptionAlert);
}

关于ios - 当我的应用程序打开时,我会收到横幅通知。我不想在我的应用打开时显示横幅,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/57881608/






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