[auth-swift] Remove FDL dep and update sample readme

FirebaseAuth/Tests/SampleSwift/AuthenticationExample/SceneDelegate.swift

@@ -13,7 +13,6 @@
 // limitations under the License.
 
 import FirebaseAuth
-import FirebaseDynamicLinks
 import UIKit
 
 class SceneDelegate: UIResponder, UIWindowSceneDelegate {
@@ -58,21 +57,15 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate {
   // MARK: - Firebase 🔥
 
   private func handleIncomingDynamicLink(_ incomingURL: URL) {
-    DynamicLinks.dynamicLinks().handleUniversalLink(incomingURL) { dynamicLink, error in
-      guard error == nil else {
-        return print("ⓧ Error in \(#function): \(error!.localizedDescription)")
-      }
+    let link = incomingURL.absoluteString
 
-      guard let link = dynamicLink?.url?.absoluteString else { return }
+    if AppManager.shared.auth().isSignIn(withEmailLink: link) {
+      // Save the link as it will be used in the next step to complete login
+      UserDefaults.standard.set(link, forKey: "Link")
 
-      if AppManager.shared.auth().isSignIn(withEmailLink: link) {
-        // Save the link as it will be used in the next step to complete login
-        UserDefaults.standard.set(link, forKey: "Link")
-
-        // Post a notification to the PasswordlessViewController to resume authentication
-        NotificationCenter.default
-          .post(Notification(name: Notification.Name("PasswordlessEmailNotificationSuccess")))
-      }
+      // Post a notification to the PasswordlessViewController to resume authentication
+      NotificationCenter.default
+        .post(Notification(name: Notification.Name("PasswordlessEmailNotificationSuccess")))
     }
   }
 

FirebaseAuth/Tests/SampleSwift/AuthenticationExample/ViewControllers/OtherAuthMethodControllers/PasswordlessViewController.swift

@@ -35,7 +35,9 @@ class PasswordlessViewController: OtherAuthViewController {
 
   private func sendSignInLink(to email: String) {
     let actionCodeSettings = ActionCodeSettings()
-    let stringURL = "https://\(authorizedDomain).firebaseapp.com/login?email=\(email)"
+
+    // Update "demo" to match the path defined in the dynamic link.
+    let stringURL = "https://\(authorizedDomain)/demo"
     actionCodeSettings.url = URL(string: stringURL)
     // The sign-in operation must be completed in the app.
     actionCodeSettings.handleCodeInApp = true
@@ -47,6 +49,7 @@ class PasswordlessViewController: OtherAuthViewController {
 
         // Set `email` property as it will be used to complete sign in after opening email link
         self.email = email
+        print("successfully sent email")
       }
   }
 

FirebaseAuth/Tests/SampleSwift/Podfile

@@ -17,9 +17,6 @@ target 'AuthenticationExample' do
 
   pod 'RecaptchaEnterprise', '~> 18.3'
 
-  ### For Email Link/Passwordless Auth
-  pod 'FirebaseDynamicLinks', :path => '../../..'
-
   ## Pod for Sign in with Google
   pod 'GoogleSignIn'