예제 #1
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);
  }
  private void setData(int count, float range) {

    // only using first meter for now.
    // TODO: graph multiple meters?
    Meter meter = mMeters.get(0);
    List<MeterReading> readings = meter.getReadings();

    ArrayList<Entry> averageEntries = new ArrayList<Entry>();

    // build up X-axis labels; e.g., dates.
    // build up Y-axis with values;
    // skip first date as we can't determine consumption.
    ArrayList<String> xVals = new ArrayList<String>();
    ArrayList<BarEntry> yVals1 = new ArrayList<BarEntry>();
    float runningTotal = 0;
    float dailyAverage;
    for (int lv = 1; lv < count; lv++) {
      MeterReading prevReading = readings.get(lv - 1);
      MeterReading currReading = readings.get(lv);

      xVals.add(removeYearFromDate(currReading.getTimeStamp()));
      float val = (currReading.getConsumption() - prevReading.getConsumption()) * 10;
      yVals1.add(new BarEntry(val, lv - 1));

      // calc & store daily average.
      runningTotal += val;
      dailyAverage = runningTotal / lv;
      averageEntries.add(new Entry(dailyAverage, lv - 1));
    }

    // TODO: allow name to be updated.
    BarDataSet set1 = new BarDataSet(yVals1, "mine");
    set1.setBarSpacePercent(35f);

    ArrayList<BarDataSet> dataSets = new ArrayList<BarDataSet>();
    dataSets.add(set1);

    // bar chart data
    BarData barData = new BarData(xVals, dataSets);
    barData.setValueFormatter(new MyValueFormatter());
    barData.setValueTextSize(10f);

    // line chart data
    LineData lineData = new LineData();
    LineDataSet set = new LineDataSet(averageEntries, "average");
    int lineColor = Color.rgb(251, 169, 165);
    set.setColor(lineColor);
    set.setLineWidth(1.5f);
    set.setDrawCircles(false);
    set.setFillColor(lineColor);
    set.setDrawCubic(true);
    set.setDrawValues(false);
    set.setAxisDependency(YAxis.AxisDependency.LEFT);
    lineData.addDataSet(set);

    CombinedData combinedData = new CombinedData(getDates(meter.getReadings()));
    combinedData.setData(barData);
    combinedData.setData(lineData);

    mChart.setData(combinedData);
    mChart.invalidate();
  }