Fix main-thread ANR from TTS getVoices() binder call#961
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TextToSpeech.getVoices() makes a synchronous Binder IPC to the system TTS service, which can block for a long time on some OEM builds. It was being called from viewModelScope's default Main dispatcher, blocking the UI thread and triggering ANRs. Move it and getAvailableSpeechEngines() to Dispatchers.IO. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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TextToSpeech.getVoices() makes a synchronous Binder IPC to the system TTS service, which can block for a long time on some OEM builds. It was being called from viewModelScope's default Main dispatcher, blocking the UI thread and triggering ANRs. Move it and getAvailableSpeechEngines() to Dispatchers.IO.