Question
I am developing an android app which speaks the sms it receives. Now, it works fine in my friend's android device, but in my device, the app does not speak the sms. Is there any settings that I need to configure in my device?
Solution
Its not necessary that it is technical coding problem only. I suggest you to check your mic volume in your phone. I believe your mobile is in silent mode when you are executing the application.
If your phone is in silent mode then it will not at all to execute TTS API, unless you set your mic volume programmatically.
OTHER TIPS
You need to configure Text to speech setting from accessibility menu in settings.
https://stackoverflow.com/questions/22805502
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