@Override
    public void setLineChartData(LineChartData data) {
        if (BuildConfig.DEBUG) {
            Log.d(TAG, "Setting data for LineChartView");
        }

        if (null == data) {
            this.data = LineChartData.generateDummyData();
        } else {
            this.data = data;
        }

        super.onChartDataChange();
    }
LineChart, supports cubic lines, filled lines, circle and square points. Point radius and stroke width can be
adjusted using LineChartData attributes.

@author Leszek Wach
hellocharts-library/src/lecho/lib/hellocharts/view/LineChartView.java