Can anyone create a extension for event of headphone button clicked

Can anyone make an extension of an event that is when headphone button is clicked earlier I have posted this problem but no one has given me any reply that can satisfy me please help I am creating an assistant app but I want to add a feature that if earphones button is pressed then speech recognizer will start getting text please help!

2 posts were merged into an existing topic: I am creating an assistant app but I want to add a feature that if earphones button is pressed then speech recognizer will start getting text please help!