what happen??
undefined is not a function(evaluating 'sound.resume()') ???

Not yet has method resume().
But you can use
this.sound.play()
It will auto resume for you
Check this.
https://github.com/zmxv/react-native-sound/issues/609#issuecomment-634124169
Most helpful comment
Not yet has method resume().
But you can use
this.sound.play()It will auto resume for you