Merge branch 'version-10.0.0-dev' of https://github.com/firebase/FirebaseUI-Android into version-10.0.0-dev

Author: demolaf

e2eTest/src/test/AndroidManifest.xml

@@ -16,6 +16,27 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+
+        <!--
+          Test activity for email link deep link handling.
+          This handles ACTION_VIEW intents with email link URLs from the Firebase Auth Emulator.
+        -->
+        <activity
+            android:name="com.firebase.ui.auth.compose.testutil.EmailLinkTestActivity"
+            android:exported="false"
+            android:launchMode="singleTop">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <!-- Handle emulator links (http://127.0.0.1:9099/...) -->
+                <data android:scheme="http" />
+                <data android:scheme="https" />
+                <data android:host="127.0.0.1" />
+                <data android:host="fake-project-id.firebaseapp.com" />
+            </intent-filter>
+        </activity>
     </application>
 
     <!-- No runtime permissions needed for unit tests -->

e2eTest/src/test/java/com/firebase/ui/auth/compose/testutil/EmailLinkTestActivity.kt

@@ -0,0 +1,41 @@
+package com.firebase.ui.auth.compose.testutil
+
+import android.content.Intent
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+
+/**
+ * Test activity for handling email link deep links in tests.
+ *
+ * This activity is used in tests to properly simulate the Android deep link flow
+ * where the app is launched with an ACTION_VIEW intent containing the email link.
+ *
+ * The activity simply extracts the email link from the intent and makes it available
+ * via the [emailLinkFromIntent] property for verification in tests.
+ */
+class EmailLinkTestActivity : ComponentActivity() {
+
+    /**
+     * The email link extracted from the deep link intent.
+     * This will be populated when the activity is launched with an ACTION_VIEW intent.
+     */
+    var emailLinkFromIntent: String? = null
+        private set
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        handleIntent(intent)
+    }
+
+    override fun onNewIntent(intent: Intent) {
+        super.onNewIntent(intent)
+        setIntent(intent)
+        handleIntent(intent)
+    }
+
+    private fun handleIntent(intent: Intent?) {
+        if (intent?.action == Intent.ACTION_VIEW) {
+            emailLinkFromIntent = intent.data?.toString()
+        }
+    }
+}

e2eTest/src/test/java/com/firebase/ui/auth/compose/testutil/EmulatorApi.kt

@@ -52,6 +52,20 @@ class EmulatorAuthApi(
             ?: throw Exception("No VERIFY_EMAIL OOB code found for user email: $email")
     }
 
+    fun fetchEmailSignInLink(email: String): String {
+        val oobCodes = fetchOobCodes()
+        return (0 until oobCodes.length())
+            .asSequence()
+            .mapNotNull { index -> oobCodes.optJSONObject(index) }
+            .lastOrNull { json ->
+                json.optString("email") == email &&
+                        json.optString("requestType") == "EMAIL_SIGNIN"
+            }
+            ?.optString("oobLink")
+            ?.takeIf { it.isNotBlank() }
+            ?: throw Exception("No EMAIL_SIGNIN OOB link found for user email: $email")
+    }
+
     fun fetchVerifyPhoneCode(phone: String): String {
         val payload =
             httpClient.get("/emulator/v1/projects/$projectId/verificationCodes") { connection ->