Firebase，Swift:向给定设备令牌的特定用户发送推送通知 [英] Firebase, Swift: Send a push notification to specific user given device token

问题描述

我有一个Firebase Swift聊天应用程序，我想在其中向特定用户发送推送通知.我已经捕获并可以访问用户的设备令牌.

I have a Firebase Swift chat app where I'd like to send a push notification to a specific user. I have already captured and have access to the user's device token.

所有参考文献都提到必须有一个"Web应用程序"来管理它，但是我还没有找到任何具体的例子.

All the references mention having to have a 'web app' to manage this, but I haven't managed to find any specific examples of this.

1. 是否需要一个Web应用程序来管理Firebase的推送通知?

1. Is it necessary to have a web app to manage push notifications for Firebase?

如果可以，是否有任何示例说明如何工作?

If so, are there any examples of how this can work?

谢谢.

推荐答案

• 首先对 Firebase Cloud Messaging 进行所有配置.可以点击 https://firebase.google.com/docs/cloud-消息传递/ios/客户端
• 现在，您需要为要发送推送通知的关联用户访问 Firebase注册令牌.您可以按照以下步骤获取此令牌:
  • First do the all configuration for Firebase Cloud Messaging. Can follow this link https://firebase.google.com/docs/cloud-messaging/ios/client
  • Now you need to access Firebase registration token for your associated user whom you want to send a push notification. You can get this token by following below steps:
    1. 将'Firebase/Messaging'窗格添加到您的项目中.
    在您的 AppDelegate.swift 文件中
    2. 导入FirebaseMessaging .
    3. 将 MessagingDelegate 协议符合您的 AppDelegate 类.
    4. 编写 didRefreshRegistrationToken 委托方法并获取用户的注册令牌:
    1. Add 'Firebase/Messaging' pod to your project.
    2. import FirebaseMessaging in your AppDelegate.swift file.
    3. Conform MessagingDelegate protocol to your AppDelegate class.
    4. Write didRefreshRegistrationToken delegate method and get your user's registration token:

  • 现在，您可以准备向特定用户发送推送通知了.发送通知如下:

  • Now you are ready to send push notification to your specific user. Send notification as below:

    func sendPushNotification(payloadDict: [String: Any]) {
       let url = URL(string: "https://fcm.googleapis.com/fcm/send")!
       var request = URLRequest(url: url)
       request.setValue("application/json", forHTTPHeaderField: "Content-Type")
       // get your **server key** from your Firebase project console under **Cloud Messaging** tab
       request.setValue("key=enter your server key", forHTTPHeaderField: "Authorization")
       request.httpMethod = "POST"
       request.httpBody = try? JSONSerialization.data(withJSONObject: payloadDict, options: [])
       let task = URLSession.shared.dataTask(with: request) { data, response, error in
          guard let data = data, error == nil else {
            print(error ?? "")
            return
          }
          if let httpStatus = response as? HTTPURLResponse, httpStatus.statusCode != 200 {
            print("statusCode should be 200, but is \(httpStatus.statusCode)")
            print(response ?? "")
          }
          print("Notfication sent successfully.")
          let responseString = String(data: data, encoding: .utf8)
          print(responseString ?? "")
       }
       task.resume()
    }
    

  • 现在将上面的函数调用为:

  • Now call above function as:

    let userToken = "your specific user's firebase registration token"
    let notifPayload: [String: Any] = ["to": userToken,"notification": ["title":"You got a new meassage.","body":"This message is sent for you","badge":1,"sound":"default"]]
    self.sendPushNotification(payloadDict: notifPayload)
    

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