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Fix TTS audio routing for Android Auto

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Set AudioAttributes (USAGE_ASSISTANT) on the TTS engine itself,
not just on the AudioFocusRequest. Without this, TTS output goes
to the phone speaker instead of routing through Android Auto's
head unit.
This commit is contained in:
Spirit
2026-03-10 12:46:36 +00:00
parent bdd478ce8a
commit 6d7e058cb0
1 changed files with 2 additions and 0 deletions
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app/src/main/java/farm/hobbs/clippyauto/voice/TTSManager.kt
+2
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@@ -52,6 +52,8 @@ class TTSManager(
tts = TextToSpeech(context) { status -> tts = TextToSpeech(context) { status ->
if (status == TextToSpeech.SUCCESS) { if (status == TextToSpeech.SUCCESS) {
tts?.language = Locale.US tts?.language = Locale.US
// Route TTS audio through Android Auto head unit
tts?.setAudioAttributes(audioFocusRequest.audioAttributes)
tts?.setOnUtteranceProgressListener(object : UtteranceProgressListener() { tts?.setOnUtteranceProgressListener(object : UtteranceProgressListener() {
override fun onStart(utteranceId: String?) { override fun onStart(utteranceId: String?) {
LatencyTracker.markT5() // t5: First audio frame LatencyTracker.markT5() // t5: First audio frame