Exemple #1
0
  private void getOffLineData() {
    /*方便测试,加入假数据*/
    mData = new DataParse();
    JSONObject object = null;
    try {
      object = new JSONObject(ConstantTest.KLINEURL);
    } catch (JSONException e) {
      e.printStackTrace();
    }
    mData.parseKLine(object);

    mData.getKLineDatas();

    setData(mData);
  }
Exemple #2
0
  private float getSum(Integer a, Integer b) {

    for (int i = a; i <= b; i++) {
      sum += mData.getKLineDatas().get(i).close;
    }
    return sum;
  }
Exemple #3
0
  private void setData(DataParse mData) {

    kLineDatas = mData.getKLineDatas();
    // axisLeftBar.setAxisMaxValue(mData.getVolmax());
    String unit = MyUtils.getVolUnit(mData.getVolmax());
    int u = 1;
    if ("万手".equals(unit)) {
      u = 4;
    } else if ("亿手".equals(unit)) {
      u = 8;
    }
    axisLeftBar.setValueFormatter(new VolFormatter((int) Math.pow(10, u)));
    // axisRightBar.setAxisMaxValue(mData.getVolmax());
    Log.e("@@@", mData.getVolmax() + "da");

    ArrayList<String> xVals = new ArrayList<>();
    ArrayList<BarEntry> barEntries = new ArrayList<>();
    ArrayList<CandleEntry> candleEntries = new ArrayList<>();
    ArrayList<Entry> line5Entries = new ArrayList<>();
    ArrayList<Entry> line10Entries = new ArrayList<>();
    ArrayList<Entry> line30Entries = new ArrayList<>();
    for (int i = 0, j = 0; i < mData.getKLineDatas().size(); i++, j++) {
      xVals.add(mData.getKLineDatas().get(i).date + "");
      barEntries.add(new BarEntry(mData.getKLineDatas().get(i).vol, i));
      candleEntries.add(
          new CandleEntry(
              i,
              mData.getKLineDatas().get(i).high,
              mData.getKLineDatas().get(i).low,
              mData.getKLineDatas().get(i).open,
              mData.getKLineDatas().get(i).close));
      if (i >= 4) {
        sum = 0;
        line5Entries.add(new Entry(getSum(i - 4, i) / 5, i));
      }
      if (i >= 9) {
        sum = 0;
        line10Entries.add(new Entry(getSum(i - 9, i) / 10, i));
      }
      if (i >= 29) {
        sum = 0;
        line30Entries.add(new Entry(getSum(i - 29, i) / 30, i));
      }
    }
    barDataSet = new BarDataSet(barEntries, "成交量");
    barDataSet.setBarSpacePercent(50); // bar空隙
    barDataSet.setHighlightEnabled(true);
    barDataSet.setHighLightAlpha(255);
    barDataSet.setHighLightColor(Color.WHITE);
    barDataSet.setDrawValues(false);
    barDataSet.setColor(Color.RED);
    BarData barData = new BarData(xVals, barDataSet);
    barChart.setData(barData);
    final ViewPortHandler viewPortHandlerBar = barChart.getViewPortHandler();
    viewPortHandlerBar.setMaximumScaleX(culcMaxscale(xVals.size()));
    Matrix touchmatrix = viewPortHandlerBar.getMatrixTouch();
    final float xscale = 3;
    touchmatrix.postScale(xscale, 1f);

    CandleDataSet candleDataSet = new CandleDataSet(candleEntries, "KLine");
    candleDataSet.setDrawHorizontalHighlightIndicator(false);
    candleDataSet.setHighlightEnabled(true);
    candleDataSet.setHighLightColor(Color.WHITE);
    candleDataSet.setValueTextSize(10f);
    candleDataSet.setDrawValues(false);
    candleDataSet.setColor(Color.RED);
    candleDataSet.setShadowWidth(1f);
    candleDataSet.setAxisDependency(YAxis.AxisDependency.LEFT);
    CandleData candleData = new CandleData(xVals, candleDataSet);

    ArrayList<ILineDataSet> sets = new ArrayList<>();
    sets.add(setMaLine(5, xVals, line5Entries));
    sets.add(setMaLine(10, xVals, line10Entries));
    sets.add(setMaLine(30, xVals, line30Entries));

    CombinedData combinedData = new CombinedData(xVals);
    LineData lineData = new LineData(xVals, sets);
    combinedData.setData(candleData);
    combinedData.setData(lineData);
    combinedchart.setData(combinedData);
    combinedchart.moveViewToX(mData.getKLineDatas().size() - 1);
    final ViewPortHandler viewPortHandlerCombin = combinedchart.getViewPortHandler();
    viewPortHandlerCombin.setMaximumScaleX(culcMaxscale(xVals.size()));
    Matrix matrixCombin = viewPortHandlerCombin.getMatrixTouch();
    final float xscaleCombin = 3;
    matrixCombin.postScale(xscaleCombin, 1f);

    combinedchart.moveViewToX(mData.getKLineDatas().size() - 1);
    barChart.moveViewToX(mData.getKLineDatas().size() - 1);
    setOffset();

    /**
     * **************************************************************************************
     * 此处解决方法来源于CombinedChartDemo,k线图y轴显示问题,图表滑动后才能对齐的bug,希望有人给出解决方法 (注:此bug现已修复,感谢和chenguang79一起研究)
     * **************************************************************************************
     */
    handler.sendEmptyMessageDelayed(0, 300);
  }