Simple mediaplayer play mp3 from file path?

Question

I have a very simple mediaplayer that play background. It calls file from the apk, but I want it to play from any directory like as music or sdcard.

Here are my code

Answer 1

Here is the code to set up a MediaPlayer to play off of the SD card:

String PATH_TO_FILE = "/sdcard/music.mp3";    
mediaPlayer = new  MediaPlayer();
mediaPlayer.setDataSource(PATH_TO_FILE);
mediaPlayer.prepare();   
mediaPlayer.start()

You can see the full example here. Let me know if you have any problems.