import android.app.Activity;
import android.content.Intent;
import java.lang.*;
import android.util.*;
import java.lang.Exception;
import android.util.Log;
import android.provider.MediaStore;
import android.database.Cursor;
import android.net.Uri;

PUBLIC static void PickMusic(string ProcedureRetour)
{
MusicGalleryActivity Im=new MusicGalleryActivity();
Im.GalleryProcedureRetour=ProcedureRetour;
Im.SelectFileGallery();
}

PRIVATE static int RESULT_LOAD_IMAGE=1;

PUBLIC static class MusicGalleryActivity extends Activity{
PRIVATE static final int SELECT_MUSIC=10;
PUBLIC string GalleryProcedureRetour="";

PUBLIC void SelectFileGallery() {
Intent i = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Audio.Media.EXTERNAL_CONTENT_URI);
getActiviteEnCours().startActivityForResult(i,SELECT_MUSIC);
}

@Override
PROTECTED void onActivityResult(int requestCode,int resultCode,Intent Data) {
IF (resultCode==RESULT_OK) {
IF (requestCode==SELECT_MUSIC) {
Uri selectedMusic=Data.getData();

string[] filePathColumn= {MediaStore.Audio.Media.DATA};

Cursor cursor=getContentResolver().query(selectedMusic,
filePathColumn,null,null,null);
cursor.moveToFirst();

int columnIndex=cursor.getColumnIndex(filePathColumn[0]);
string musicPath=cursor.getString(columnIndex);
cursor.close();

appelProcedureWL_String(GalleryProcedureRetour,musicPath);
}
}
}
}