ChartDemo.java (list를 클릭했을 때의 실행 코드)

public class ChartDemo extends ListActivity {
  private IDemoChart[] mCharts = new IDemoChart[] { new AverageTemperatureChart(),
      new AverageCubicTemperatureChart(), new SalesStackedBarChart(), new SalesBarChart(),
      new TrigonometricFunctionsChart(), new ScatterChart(), new SalesComparisonChart(),
      new ProjectStatusChart(), new SalesGrowthChart(), new BudgetPieChart(),
      new BudgetDoughnutChart(), new ProjectStatusBubbleChart(), new TemperatureChart(),
      new WeightDialChart(), new SensorValuesChart(), new CombinedTemperatureChart(),
      new MultipleTemperatureChart() };

  private String[] mMenuText;

  private String[] mMenuSummary;

  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    int length = mCharts.length;
    mMenuText = new String[length + 3];
    mMenuSummary = new String[length + 3];
    mMenuText[0] = "Embedded line chart demo";
    mMenuSummary[0] = "A demo on how to include a clickable line chart into a graphical activity";
    mMenuText[1] = "Embedded pie chart demo";
    mMenuSummary[1] = "A demo on how to include a clickable pie chart into a graphical activity";
    for (int i = 0; i < length; i++) {
      mMenuText[i + 2] = mCharts[i].getName();
      mMenuSummary[i + 2] = mCharts[i].getDesc();
    }
    mMenuText[length + 2] = "Random values charts";
    mMenuSummary[length + 2] = "Chart demos using randomly generated values";
    setListAdapter(new SimpleAdapter(this, getListValues(), android.R.layout.simple_list_item_2,
        new String[] { IDemoChart.NAME, IDemoChart.DESC }, new int[] { android.R.id.text1,
            android.R.id.text2 }));
  }

  private List<Map<String, String>> getListValues() {
    List<Map<String, String>> values = new ArrayList<Map<String, String>>();
    int length = mMenuText.length;
    for (int i = 0; i < length; i++) {
      Map<String, String> v = new HashMap<String, String>();
      v.put(IDemoChart.NAME, mMenuText[i]);
      v.put(IDemoChart.DESC, mMenuSummary[i]);
      values.add(v);
    }
    return values;
  }

  @Override
  protected void onListItemClick(ListView l, View v, int position, long id) {
    super.onListItemClick(l, v, position, id);
    Intent intent = null;
    if (position == 0) {
      intent = new Intent(this, XYChartBuilder.class);
    } else if (position == 1) {
      intent = new Intent(this, PieChartBuilder.class);
    } else if (position <= mCharts.length + 1) {
      intent = mCharts[position - 2].execute(this);
    } else {
      intent = new Intent(this, GeneratedChartDemo.class);
    }
    startActivity(intent);
  }
}

AverageCubicTemperatureChart.java (intent를 return 받는 코드)

public class AverageCubicTemperatureChart extends AbstractDemoChart {
  /**
   * Returns the chart name.
   *
   * @return the chart name
   */
  public String getName() {
    return "Average temperature";
  }

  /**
   * Returns the chart description.
   *
   * @return the chart description
   */
  public String getDesc() {
    return "The average temperature in 4 Greek islands (cubic line chart)";
  }

  /**
   * Executes the chart demo.
   *
   * @param context the context
   * @return the built intent
   */
  public Intent execute(Context context) {
    String[] titles = new String[] { "Crete", "Corfu", "Thassos", "Skiathos" };
    List<double[]> x = new ArrayList<double[]>();
    for (int i = 0; i < titles.length; i++) {
      x.add(new double[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 });
    }
    List<double[]> values = new ArrayList<double[]>();
    values.add(new double[] { 12.3, 12.5, 13.8, 16.8, 20.4, 24.4, 26.4, 26.1, 23.6, 20.3, 17.2,
        13.9 });
    values.add(new double[] { 10, 10, 12, 15, 20, 24, 26, 26, 23, 18, 14, 11 });
    values.add(new double[] { 5, 5.3, 8, 12, 17, 22, 24.2, 24, 19, 15, 9, 6 });
    values.add(new double[] { 9, 10, 11, 15, 19, 23, 26, 25, 22, 18, 13, 10 });
    int[] colors = new int[] { Color.BLUE, Color.GREEN, Color.CYAN, Color.YELLOW };
    PointStyle[] styles = new PointStyle[] { PointStyle.CIRCLE, PointStyle.DIAMOND,
        PointStyle.TRIANGLE, PointStyle.SQUARE };
    XYMultipleSeriesRenderer renderer = buildRenderer(colors, styles);
    int length = renderer.getSeriesRendererCount();
    for (int i = 0; i < length; i++) {
      ((XYSeriesRenderer) renderer.getSeriesRendererAt(i)).setFillPoints(true);
    }
    setChartSettings(renderer, "Average temperature", "Month", "Temperature", 0.5, 12.5, 0, 32,
        Color.LTGRAY, Color.LTGRAY);
    renderer.setXLabels(12);
    renderer.setYLabels(10);
    renderer.setShowGrid(true);
    renderer.setXLabelsAlign(Align.RIGHT);
    renderer.setYLabelsAlign(Align.RIGHT);
    renderer.setZoomButtonsVisible(true);
    renderer.setPanLimits(new double[] { -10, 20, -10, 40 });
    renderer.setZoomLimits(new double[] { -10, 20, -10, 40 });
    Intent intent = ChartFactory.getCubicLineChartIntent(context, buildDataset(titles, x, values),
        renderer, 0.33f, "Average temperature");
    return intent;
  }

}