@Override
  protected void init() {
    super.init();

    mWebLineWidth = Utils.convertDpToPixel(1.5f);
    mInnerWebLineWidth = Utils.convertDpToPixel(0.75f);

    mWebPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mWebPaint.setStyle(Paint.Style.STROKE);

    mHighlightPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mHighlightPaint.setStyle(Paint.Style.STROKE);
    mHighlightPaint.setStrokeWidth(2f);
    mHighlightPaint.setColor(Color.rgb(255, 187, 115));
  }
  @Override
  protected void init() {
    super.init();

    mRenderer = new PieChartRenderer(this, mAnimator, mViewPortHandler);
  }