How do I allow for MP3 files in my project?

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I read this: Register new file type in Android, but I'm not building an MP3 player. My intention is for the user to have an MP3 player currently installed on their device.

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I also tried navigating to File -> Settings -> Plugins and searching for an MP3 player for Android Studio.

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Should I just select Text files and move on?

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I do not need Android Studio to play MP3 files.