小编K. *_*tra的帖子

我正在开发一个使用 FCM 发送推送通知的应用程序。我已按照必要的步骤配置推送通知，即生成证书以添加权利并在后台模式下打开远程通知，还在 firebase 控制台中上传了具有正确密码的 .p12 证书。我为此使用的代码是

@UIApplicationMain

class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterDelegate, MessagingDelegate {

let gcmMessageIDKey = "gcm.message_id"

/// This method will be called whenever FCM receives a new, default FCM token for your
/// Firebase project's Sender ID.
/// You can send this token to your application server to send notifications to this device.
func messaging(_ messaging: Messaging, didRefreshRegistrationToken fcmToken: String)
{
    debugPrint("--->messaging:\(messaging)")
    debugPrint("--->didRefreshRegistrationToken:\(fcmToken)")
}

@available(iOS 10.0, *)
public func messaging(_ messaging: Messaging, didReceive remoteMessage: MessagingRemoteMessage)
{
    debugPrint("--->messaging:\(messaging)") …