Android Question Use microphone in background

ahb

New Member
Hi
I 'm try to creat voice assistant app,i want when the app is running in background and wating to hear a word like"Hi" and then when it occur the app show message.
It 's a simple version of google voice assistant .
I couldn't find a way to use and run microphone in background:/
Is this possible ?

Thank you for any help
 
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