/**
* There is one chart for each signal type. Returns the chart component of a specific signal type.
*
* @return
*/
public LineChart getChart(String signalTypeId) {
if (!charts.containsKey(signalTypeId)) {
// Create a chart component
// chart = (LineChart) findViewById(R.id.chart);
final LineChart chart = new LineChart(this);
// chart.setUnit("Db");
chart.setUnit("");
// chart.setDrawUnitsInChart(true);
chart.setDrawYValues(false);
chart.setDrawBorder(false);
chart.setTouchEnabled(true);
chart.setDragEnabled(true);
chart.setNoDataTextDescription("No data gathered.");
chart.setDescription("Samples");
chart.setPinchZoom(true); // if disabled, scaling can be done on x- and y-axis separately
// set an alternative background color
// mChart.setBackgroundColor(Color.GRAY)
// Creates a chart tab.
// http://www.java2s.com/Code/Android/UI/DynamicTabDemo.htm
// http://www.java2s.com/Code/Android/UI/UsingatabcontentfactoryforthecontentviaTabHostTabSpecsetContentandroidwidgetTabHostTabContentFactory.htm
TabHost.TabSpec spec = tabHost.newTabSpec(signalTypeId);
spec.setIndicator(signalTypeId);
spec.setContent(
new TabHost.TabContentFactory() {
public View createTabContent(String tag) {
return chart;
}
});
tabHost.addTab(spec);
// addContentToTab(tabHost.getChildCount(), chart);
charts.put(signalTypeId, chart);
tabHost.invalidate();
}
return charts.get(signalTypeId);
}
