@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_cost_graph);
parentTabbedActivity = (TabbedOutputActivity) getParent();
calculatorList = parentTabbedActivity.getCalculators();
GraphicalView savingsChart =
ChartFactory.getLineChartView(this, getCostsDataset(), getCostsRenderer());
setContentView(savingsChart);
}
