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I'm working an Android project about record and play from a connected Bluetooth headset's microphone. I need to use native code (Open SL ES). I referred this answer of Hoan Nguyen to write for connection Bluetooth (by Java). My results:

If I record and play using Java (Using AudioRecord for record and AudioTrack for play) => okay

If I record using native code => fail.

I also referred this but it was not finalized.

Does OpenSL ES not support bluetooth headset? Or Have I to write native code for connection Bluetooth?

Thanks!

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