@Override
  public View onCreateView(
      LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    ViewGroup rootView = (ViewGroup) inflater.inflate(R.layout.fragment_piechart, container, false);
    mPieChart = (PieChart) rootView.findViewById(R.id.chart_pie);

    String cateItem = getArguments().getString("cate_item");
    String keywordList = getArguments().getString("keyword_list");
    mCateItem = (CateItemVo) GsonConverter.fromJson(cateItem, CateItemVo.class);
    mKeywords = (List<KeywordIcon>) GsonConverter.fromJsonArray(keywordList, KeywordIcon.class);

    for (int i = 0; i < mKeywords.size(); i++) {
      KeywordIcon icon = mKeywords.get(i);
      mKeyIds.add(icon.get_id());
    }

    getPieChartData(mKeyIds);

    return rootView;
  }
  private void setPieChartData(Map obj, int sum) {

    Iterator it = obj.keySet().iterator();

    int count = obj.keySet().size();

    if (count > 0) {
      float range = sum;

      float mult = range;

      ArrayList<Entry> yVals1 = new ArrayList<Entry>();

      ArrayList<String> xVals = new ArrayList<String>();

      // for (int i = 0; i < count + 1; i++)
      // xVals.add("A");

      int idx = 0;

      while (it.hasNext()) {
        String key = it.next().toString();
        int value = (int) Float.parseFloat(obj.get(key).toString());

        float yVal = (value / mult) * 100;

        yVals1.add(new Entry((float) yVal, idx));

        for (int i = 0; i < mKeywords.size(); i++) {
          KeywordIcon icon = mKeywords.get(i);
          if (key.equals(icon.get_id())) {
            xVals.add(icon.getKeyword());
            continue;
          }
        }

        idx++;
      }

      PieDataSet dataSet = new PieDataSet(yVals1, "");
      dataSet.setSliceSpace(3f);
      dataSet.setSelectionShift(5f);

      // add a lot of colors

      ArrayList<Integer> colors = new ArrayList<Integer>();

      for (int c : ColorTemplate.VORDIPLOM_COLORS) colors.add(c);

      for (int c : ColorTemplate.JOYFUL_COLORS) colors.add(c);

      for (int c : ColorTemplate.COLORFUL_COLORS) colors.add(c);

      for (int c : ColorTemplate.LIBERTY_COLORS) colors.add(c);

      for (int c : ColorTemplate.PASTEL_COLORS) colors.add(c);

      colors.add(ColorTemplate.getHoloBlue());

      dataSet.setColors(colors);

      PieData data = new PieData(xVals, dataSet);
      data.setValueFormatter(new PercentFormatter());
      data.setValueTextSize(11f);
      data.setValueTextColor(Color.BLACK);
      // data.setValueTypeface(tf);
      mPieChart.setData(data);

      // undo all highlights
      mPieChart.highlightValues(null);

      mPieChart.invalidate();
    }
  }