From 36915fba091c3492dc94e71f063d5c0b49efa3f5 Mon Sep 17 00:00:00 2001
From: cogwheel0 <172976095+cogwheel0@users.noreply.github.com>
Date: Fri, 21 Nov 2025 12:20:01 +0530
Subject: [PATCH] feat(tts): ensure Android default TTS engine is set before
 speaking

---
 android/app/src/main/AndroidManifest.xml         |  3 +++
 .../chat/services/text_to_speech_service.dart    | 16 ++++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 38a833e..7008f09 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -20,6 +20,9 @@
         <intent>
             <action android:name="android.speech.RecognitionService" />
         </intent>
+        <intent>
+            <action android:name="android.intent.action.TTS_SERVICE" />
+        </intent>
     </queries>
 
     <application
diff --git a/lib/features/chat/services/text_to_speech_service.dart b/lib/features/chat/services/text_to_speech_service.dart
index 0fe7240..3b0db84 100644
--- a/lib/features/chat/services/text_to_speech_service.dart
+++ b/lib/features/chat/services/text_to_speech_service.dart
@@ -79,6 +79,7 @@ class TextToSpeechService {
   }) async {
     _deviceEngineAvailable = false;
     try {
+      await _ensureAndroidDefaultEngine();
       await _tts.awaitSpeakCompletion(false);
       await _tts.setVolume(volume);
       await _tts.setSpeechRate(speechRate);
@@ -108,6 +109,20 @@ class TextToSpeechService {
     }
   }
 
+  Future<void> _ensureAndroidDefaultEngine() async {
+    if (kIsWeb || !Platform.isAndroid) {
+      return;
+    }
+    try {
+      final engine = await _tts.getDefaultEngine;
+      if (engine is String && engine.isNotEmpty) {
+        await _tts.setEngine(engine);
+      }
+    } catch (e) {
+      _onError?.call(e.toString());
+    }
+  }
+
   bool _computeAvailability() {
     final serverAvailable = _api != null;
     switch (_engine) {
@@ -808,6 +823,7 @@ class TextToSpeechService {
 
     var configured = false;
     try {
+      await _ensureAndroidDefaultEngine();
       Map<String, dynamic>? defaultVoice;
       bool voiceSet = false;