Gostaria de criar Um app de musica que lê o SDCARD (I would like to create a music app that reads the SDCARD)

I would like to create a music app that reads the SDCARD can I help

I already added a music button like PLAY.PAUSE, STOP

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my file extension probably can help https://puravidaapps.com/file.php

see also my jukebox example there

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