@Override
 public View onCreateView(
     LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
   View res = inflater.inflate(getLayoutResId(), container, false);
   mTxtValue = (TextView) res.findViewById(R.id.txtValue);
   mGraValues = (GraphView) res.findViewById(R.id.graValues);
   if (mGraValues != null) {
     mGraValues.setType(0, GraphView.Type.LINES);
     mGraValues.setColor(0, 0xFFFF0000);
     mGraValues.setType(1, GraphView.Type.LINES);
     mGraValues.setColor(1, 0xFF00FF00);
     mGraValues.setType(2, GraphView.Type.LINES);
     mGraValues.setColor(2, 0xFF0000FF);
   }
   return res;
 }
 protected void setValues(int index, float[] values) {
   mGraValues.setValues(index, values);
 }