I actualy managed to fix my problem.
Here is sample code if some one is interested:
//----------------------------------------------------
//Chart variables
private GraphicalView mChartView;
private TimeSeries series; //A single series or line is defined.
private XYSeriesRenderer renderer; //A single render is responsible for a single series or line.
private XYMultipleSeriesDataset mSeriesDataset; //All series or lines are added here to be displayed later.
private XYMultipleSeriesRenderer mSeriesRendered; // All renders are added here.
//----------------------------------------------------
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.graph_fragment, container, false);
// add the data here if necessary
// ...
LinearLayout layout = (LinearLayout) view.findViewById(R.id.graph1);
layout.addView(displayChart());
return view;
}
private void initializeChartValues() {
int[] x = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
int[] y = { 30, 34, 45, 57, 77, 90, 123, 111, 123, 92 };
//Fill the series with data
series = new TimeSeries("Line1");
for (int i = 0; i < x.length; i++) {
series.add(x[i], y[i]);
}
//Define a render for the series
renderer = new XYSeriesRenderer();
renderer.setColor(Color.RED);
renderer.setPointStyle(PointStyle.SQUARE);
renderer.setFillPoints(true);
//Add the series in multiple series dataset
mSeriesDataset = new XYMultipleSeriesDataset();
mSeriesDataset.addSeries(series);
//Add the renderer in the multiple series renderer
mSeriesRendered = new XYMultipleSeriesRenderer();
mSeriesRendered.addSeriesRenderer(renderer);
//Customize graph itself
mSeriesRendered.setChartTitle("Тегло");
}
// WOrking on half screen
private GraphicalView displayChart() {
//First initialize the values of the chart.
initializeChartValues();
//Define the parent where the chart will go
LinearLayout chartContainer;
chartContainer = (LinearLayout) getActivity().findViewById(R.id.linearLayout_graphFragment_conteiner);
//Create and add the chart to the parent
mChartView = ChartFactory.getLineChartView(getActivity(), mSeriesDataset, mSeriesRendered);
return mChartView;
}
I actualy never use onStart. Also I initialize the chart in onCreateView and then return the view in onCreateView