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ios - APNS 无法获取 DeviceToken

问题描述

我的代码。

UNUserNotificationCenter *center = [UNUserNotificationCenter currentNotificationCenter];
        center.delegate                  = self;
        [center requestAuthorizationWithOptions:(UNAuthorizationOptionBadge | UNAuthorizationOptionSound | UNAuthorizationOptionAlert) completionHandler:^(BOOL granted, NSError * _Nullable error) {
            if (!error) {
                NSLog(@"~ios10-----");
                dispatch_async(dispatch_get_main_queue(), ^{
                    [[UIApplication sharedApplication] registerForRemoteNotifications];
                });

            }else{
                NSLog(@"~ios10---error--");
            }
        }];

iPhone 5s ios 11.4.1 中的此代码有效，调用了 didRegisterForRemoteNotificationsWithDeviceToken 方法。但在 iPhone 6s ios 13.5.0 中不起作用。经过几天的谷歌搜索，在APNS 连接失败 中找到了解决方案，解决方法是在 wifi 设置中将手机更改为使用 Google (8.8.8.8) 或 Cloudflare (1.1.1.1) 等替代 DNS。但是我不能修改用户手机的DNS。

如果您有任何想法，请告诉我。谢谢

标签： iosdnsapple-push-notificationsdevicetoken

解决方案

你可以试试这个，希望对你有帮助。

if (floor(NSFoundationVersionNumber) <= NSFoundationVersionNumber_iOS_9_x_Max) {
          UIUserNotificationType allNotificationTypes =
          (UIUserNotificationTypeSound | UIUserNotificationTypeAlert | UIUserNotificationTypeBadge);
          UIUserNotificationSettings *settings =
          [UIUserNotificationSettings settingsForTypes:allNotificationTypes categories:nil];
          [application registerUserNotificationSettings:settings];
      } else {
          // iOS 10 or later
  #if defined(__IPHONE_10_0) && __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_10_0
          // For iOS 10 display notification (sent via APNS)
          [UNUserNotificationCenter currentNotificationCenter].delegate = self;
          UNAuthorizationOptions authOptions =
          UNAuthorizationOptionAlert
          | UNAuthorizationOptionSound
          | UNAuthorizationOptionBadge;
          [[UNUserNotificationCenter currentNotificationCenter] requestAuthorizationWithOptions:authOptions completionHandler:^(BOOL granted, NSError * _Nullable error) {
          }];
  #endif
      }

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