private void generateValues() {
            for (int i = 0; i < maxNumberOfLines; ++i) {
                for (int j = 0; j < numberOfPoints; ++j) {
                    randomNumbersTab[i][j] = (float) Math.random() * 50f + 5;
                }
            }
        }
A fragment containing a combo line/column chart view.
hellocharts-samples/src/lecho/lib/hellocharts/samples/ComboLineColumnChartActivity.java