Android Application Works Fine In Emulator But Not In Real Device?

I'm making a simple Music Player application. It already works perfectly on my emulator but after I install it on my device, it gives 'The application MusicShare (process com.examp

Solution 1:

@Pleerock is correct. Apparently it was the problem with the path. It should be "/sdcard/media/audio/Music/". Thanks for the help.

Solution 2:

Sometimes you need to export the whole project and get the .apk file and install it