private void setDefault() {
   v_pie_chart.clearChart();
   v_pie_chart.addPieSlice(
       new PieModel(
           getContext()
               .getString(R.string.view_categories_chart_report_layout_no_categories_expenses),
           0,
           getResources().getColor(R.color.half_black)));
 }
  private void displayChart(List<CategoryReportModel> categoriesModel, double totalSpent) {
    v_pie_chart.clearChart();
    for (CategoryReportModel categoryReportModel : categoriesModel) {
      String categoryTitle =
          Category.getCategoryTitle(categoryReportModel.getCategory(), getContext());
      if (categoryTitle != null) {
        int categoryColor = getCategoryColor(categoryReportModel.getCategory());

        double amount = categoryReportModel.getAmount();
        float expenseToTotal = Math.abs((float) ((amount / totalSpent) * TOTAL_PERCENTAGE_VALUE));
        BigDecimal roundExpenseToTotal =
            new BigDecimal(expenseToTotal).setScale(DECIMAL_NUMBER, BigDecimal.ROUND_HALF_UP);

        v_pie_chart.addPieSlice(
            new PieModel(categoryTitle, roundExpenseToTotal.floatValue(), categoryColor));
      }
    }
    v_pie_chart.animate();
  }
  private void initSubViews() {
    ButterKnife.inject(this);

    DisplayMetrics displayMetrics = getContext().getResources().getDisplayMetrics();

    float height = displayMetrics.heightPixels;
    float layoutHeight = height * HEIGHT_PERCENTAGE;

    LinearLayout.LayoutParams layoutParams =
        new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, (int) layoutHeight);
    v_pie_chart.setLayoutParams(layoutParams);

    setDefault();
  }
  protected void makePieChart(JsonArray datas, PieChart mPieChart, LinearLayout mPieCount) {
    List<String> titles = new ArrayList<String>();
    for (JsonElement element : datas) {
      String title = element.getAsJsonObject().get("issue").getAsString();
      titles.add(title);
    }
    Set<String> unique = new HashSet<String>(titles);

    for (String key : unique) {
      System.out.println(key + ": " + Collections.frequency(titles, key));
      Random rnd = new Random();
      String hexes = colorHexes[rnd.nextInt(colorHexes.length)];
      int color = Color.parseColor(hexes);
      int count = Collections.frequency(titles, key);
      PieModel pieModel = new PieModel(key, count, color);
      mPieChart.addPieSlice(pieModel);
      View piechartLegend =
          getLayoutInflater().inflate(R.layout.piechart_legend_layout, mPieCount, false);
      CircleView piechartIndicator =
          (CircleView) piechartLegend.findViewById(R.id.legend_indicator);
      piechartIndicator.setColorHex(color);
      TextView piechartText = (TextView) piechartLegend.findViewById(R.id.legend_text);
      piechartText.setText(key);
      TextView piechartCount = (TextView) piechartLegend.findViewById(R.id.legend_count);
      piechartCount.setText(MixUtils.convertToBurmese(String.valueOf(count)));

      if (isUnicode) {
        piechartText.setTypeface(typefacelight);
        piechartCount.setTypeface(typefacelight);
      } else {
        MMTextUtils.getInstance(this).prepareMultipleViews(piechartText, piechartCount);
      }

      mPieCount.addView(piechartLegend);
    }
    mPieChart.startAnimation();
  }