小编She*_*rad的帖子

我在webservice中有一个数据连接.在Assynctask中,我每5秒获取一次数据.数据到达后,我制作新的数据集,请原来我只是重绘mChartView生活.在这里提出我的问题.折线图重新绘制不重新生成图表只是在最后一个新的顶部.当然2-3分钟的menmory :(

这是我的代码:

class GetData extends AsyncTask<Void, String, Void> {

    private ArrayList<String> Alldata = new ArrayList<String>();
    public XYMultipleSeriesDataset datasetOut;
    public XYMultipleSeriesRenderer mRendererOut;

    @Override
    protected Void doInBackground(Void... unused) {

        Alldata.clear();
        Alldata = DataFromWeb.getChartDataNew("&name=XXX", "XXX");

        return (null);
    }

    @Override
    protected void onPostExecute(Void unused) {


        datasetOut = CCChart.getDataSet(getBaseContext(), Alldata);
        mRendererOut = CCChart.getRendererPortrait(getBaseContext());


        Log.d("Debug", "alldatasize: " + Alldata.size());
        Log.d("Debug", "dataset " + datasetOut.getSeriesCount() );

        if (mChartView != null) {
            mChartView.repaint();

            Log.v("CC_trace", "CCChartRepaint");

        } else {

            mChartView = ChartFactory.getLineChartView(getBaseContext(), datasetOut , mRendererOut);

                layout.addView(mChartView, new LayoutParams( …