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(); }