public void saveMRU(){
  if (mru.changed) {
    try {
      ObjectOutputStream out=new ObjectOutputStream(new FileOutputStream(new File(directory,MRUFILE)));
      out.writeObject(mru);
      out.close();
    }
 catch (    Exception e) {
      Log.e("Preset","MRU saving failed",e);
    }
  }
}

public void saveMRU ( ) { if ( mru . changed ) { try { ObjectOutputStream out = new ObjectOutputStream ( new FileOutputStream ( new File ( directory , MRUFILE ) ) ) ; out . writeObject ( mru ) ; out . close ( ) ; } catch ( Exception e ) { Log . e ( "Preset" , "MRU saving failed" , e ) ; } } }
saves the current mru data to a file
