public static Location getLocation(Context ctx) { 
    LocationManager lm = (LocationManager) ctx 
            .getSystemService(Context.LOCATION_SERVICE); 
    List<String> providers = lm.getProviders(true); 
 
       Location l = null; 
 
    for (int i = providers.size() - 1; i >= 0; i--) { 
        l = lm.getLastKnownLocation(providers.get(i)); 
        if (l != null) 
            break; 
    } 
    return l; 
} 

int audioindex = 0; 

String[] files = null; 
files = assetManager.list("audiofiles"); 

mp.setOnCompletionListener(new OnCompletionListener(){ 
    // @Override 
    public void onCompletion(MediaPlayer arg0) { 
    // File has ended, play the next one. 
   FunctionPlayFile(files[audioindex]); 
   audioindex+=1; 
     } 
}); 

public class Main extends Activity {
  private TextView contentTxt;
  private BroadcastReceiver mBatInfoReceiver = new BroadcastReceiver(){
    @Override
    public void onReceive(Context arg0, Intent intent) {
      // TODO Auto-generated method stub
      int level = intent.getIntExtra("level", 0);
      contentTxt.setText(String.valueOf(level) + "%");
    }
  };

  @Override
  public void onCreate(Bundle icicle) {
    super.onCreate(icicle);
    setContentView(R.layout.main);
    contentTxt = (TextView) this.findViewById(R.id.monospaceTxt);
    this.registerReceiver(this.mBatInfoReceiver,
    new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
  }
}