无法从 Firebase 缩短的动态链接网址检索动态链接

Posted 2023-03-09

【中文标题】无法从 Firebase 缩短的动态链接网址检索动态链接

【英文标题】：Unable to retrieve Dynamic Link from the Firebase shortened dynamic link URL

【发布时间】：2019-11-11 08:25:13

【问题描述】：

通过 WhatsApp 打开时，无法从使用 Firebase 动态链接创建的短网址中检索动态链接。

当通过 Skype 打开时，它显示预览屏幕，但是当使用 WhatsApp 点击 URL 时，它直接打开应用程序而不打开预览屏幕，之后我无法检索动态链接。 我正在使用以下代码来创建和缩短动态链接：

guard let link = URL(string: "https://example.com/abc/\(id)") else  return 
        let dynamicLinksDomainURIPrefix = "https://myexample.online"
        let linkBuilder = DynamicLinkComponents(link: link, domainURIPrefix: dynamicLinksDomainURIPrefix)

        linkBuilder?.iosParameters = DynamicLinkIOSParameters(bundleID: "bundleID")
        linkBuilder?.iOSParameters?.appStoreID = "appStoreID"
        linkBuilder?.androidParameters = DynamicLinkAndroidParameters(packageName: "packageName")
        linkBuilder?.options = DynamicLinkComponentsOptions()
        linkBuilder?.options?.pathLength = .short

        guard let longDynamicLink = linkBuilder?.url else 
            Alert.HideProgressHud(Onview: self.view)
            return
        
        DispatchQueue.main.async 

            DynamicLinkComponents.shortenURL(longDynamicLink, options: linkBuilder?.options)  url, warnings, error in
                let url = url
                self.openactivityPickerForSharing(capturedImage: capturedImage, url: url)
            
        

在 AppDelegate 中我使用以下函数来接收这个：

        if let dynamicLink = DynamicLinks.dynamicLinks().dynamicLink(fromCustomSchemeURL: url) 
            // Handle the deep link. For example, show the deep-linked content or
            // apply a promotional offer to the user's account.
            // [START_EXCLUDE]
            // In this sample, we just open an alert.
            handleDynamicLink(dynamicLink)
            // [END_EXCLUDE]
            return true
        
        return application(app, open: url,sourceApplication: options[UIApplication.OpenURLOptionsKey.sourceApplication] as? String,annotation: "")
    

    func application(_ application: UIApplication, open url: URL, sourceApplication: String?, annotation: Any) -> Bool 
        if let dynamicLink = DynamicLinks.dynamicLinks().dynamicLink(fromCustomSchemeURL: url) 
            // Handle the deep link. For example, show the deep-linked content or
            // apply a promotional offer to the user's account.
            // [START_EXCLUDE]
            // In this sample, we just open an alert.
            handleDynamicLink(dynamicLink)
            // [END_EXCLUDE]
            return true
        
        // [START_EXCLUDE silent]
        // Show the deep link that the app was called with.
        //showDeepLinkAlertView(withMessage: "openURL:\n\(url)")
        // [END_EXCLUDE]
        return false
    
    // [END openurl]
// [START continueuseractivity]
    func application(_ application: UIApplication, continue userActivity: NSUserActivity,
                     restorationHandler: @escaping ([UIUserActivityRestoring]?) -> Void) -> Bool 
        let handled = DynamicLinks.dynamicLinks().handleUniversalLink(userActivity.webpageURL!)  (dynamiclink, error) in
            // [START_EXCLUDE]
           //self.showDeepLinkAlertView(withMessage: "\(dynamiclink)")
            // [END_EXCLUDE]
        
//handled is always returned always
        // [START_EXCLUDE silent]
        if !handled 
           //Handled the URL received in Case of Skype.
        
        // [END_EXCLUDE]
        return handled
    

 func handleDynamicLink(_ dynamicLink: DynamicLink) 
        let matchConfidence: String
        if dynamicLink.matchType == .weak 
            matchConfidence = "Weak"
         else 
            matchConfidence = "Strong"
        
        let message = "App URL: \(dynamicLink.url?.absoluteString ?? "")\n" +
        "Match Confidence: \(matchConfidence)\nMinimum App Version: \(dynamicLink.minimumAppVersion ?? "")"
    

之后，当我点击在 WhatsApp 上共享的缩短 URL 时，我收到的 URL 是 Firbase 动态链接创建的缩短 URL，而不是实际 URL

【问题讨论】：

这里有同样的问题..运气好吗？

【参考方案1】：

我遇到了类似的问题，我只是忘记将 FirebaseDynamicLinksCustomDomains 数组添加到我的 Info.plist 中，这就是为什么 firebase 没有从短网址中获取完整网址的原因。

相关文档：https://firebase.google.com/docs/dynamic-links/custom-domains

【参考方案2】：

在示例中，Firebase 从 useractivity.webpageURL 读取 URL。如果您在闭包中阅读来自dynamicLink.url 的网址，您将看到原始动态链接。

func application(_ application: UIApplication, continue userActivity: NSUserActivity,
                 restorationHandler: @escaping ([UIUserActivityRestoring]?) -> Void) -> Bool 
    let handled = DynamicLinks.dynamicLinks().handleUniversalLink(userActivity.webpageURL!)  (dynamiclink, error) in

      print("This is the full length url: \(dynamiclink.url)")