private void generateInitialLineData() { int numValues = 7; List<AxisValue> axisValues = new ArrayList<AxisValue>(); List<PointValue> values = new ArrayList<PointValue>(); for (int i = 0; i < numValues; ++i) { values.add(new PointValue(i, 0)); axisValues.add(new AxisValue(i).setLabel(days[i])); } Line line = new Line(values); line.setColor(ChartUtils.COLOR_GREEN).setCubic(true); List<Line> lines = new ArrayList<Line>(); lines.add(line); lineData = new LineChartData(lines); lineData.setAxisXBottom(new Axis(axisValues).setHasLines(true)); lineData.setAxisYLeft(new Axis().setHasLines(true).setMaxLabelChars(3)); chartTop.setLineChartData(lineData); // For build-up animation you have to disable viewport recalculation. chartTop.setViewportCalculationEnabled(false); // And set initial max viewport and current viewport- remember to set viewports after data. Viewport v = new Viewport(0, 110, 6, 0); chartTop.setMaximumViewport(v); chartTop.setCurrentViewport(v); chartTop.setZoomType(ZoomType.HORIZONTAL); generateLineData(ChartUtils.COLOR_GREEN, 100); }
private void updateChartView() { Viewport viewport = new Viewport(0, maxValueOfLineChartData + OFFSET, maxNumberToShow, 0); chart.setMaximumViewport(viewport); chart.setCurrentViewport(viewport); previewChart.setMaximumViewport(viewport); previewX(false); }
// 产生数据 实时 ///////////////////////////////////////////////////////////////////////////////////////// private void generateInitialLineData() { int numValues = 19; List<AxisValue> axisValues = new ArrayList<AxisValue>(); List<PointValue> values = new ArrayList<PointValue>(); for (int i = 0; i < numValues; ++i) { values.add(new PointValue(i, 0)); axisValues.add(new AxisValue(i).setLabel(days[i])); } Line line = new Line(values); line.setColor(ChartUtils.COLOR_BLUE); line.setHasPoints(false); line.getShape(); line.setCubic(false); // 平滑 List<Line> lines = new ArrayList<Line>(); lines.add(line); // lines.add(line1); // lines.add(line2); Axis axisX = new Axis(axisValues); Axis axisY = new Axis().setHasLines(true); if (hasAxesNames) { axisX.setName("时间间隔"); // axisY.setName("温度"); axisX.setTextColor(ChartUtils.HOLO_BLUE_DARK); axisY.setTextColor(ChartUtils.HOLO_BLUE_DARK); } lineData = new LineChartData(lines); lineData.setAxisXBottom(axisX.setHasLines(true)); lineData.setAxisYLeft(axisY.setMaxLabelChars(4)); realeChartTop.setLineChartData(lineData); // For build-up animation you have to disable viewport recalculation. // 建立动画你必须禁用视图重新计算。 realeChartTop.setViewportCalculationEnabled(false); // And set initial max viewport and current viewport- remember to set viewports after data. // 设置初始值和当前视口视口记得要在数据集视图。 Viewport v = new Viewport(0, 50, 20, -10); realeChartTop.setMaximumViewport(v); realeChartTop.setCurrentViewport(v); realeChartTop.setZoomType(ZoomType.HORIZONTAL); // toggleFilled(); // toggleLabels(); toggleAxesNames(); }
public void setupCharts() { if (bgDataList.size() > 0) { // Dont crash things just because we dont have values, people dont like crashy things if (singleLine) { bgGraphBuilder = new BgGraphBuilder(getApplicationContext(), bgDataList, pointSize, midColor); } else { bgGraphBuilder = new BgGraphBuilder( getApplicationContext(), bgDataList, pointSize, highColor, lowColor, midColor); } chart.setLineChartData(bgGraphBuilder.lineData()); chart.setViewportCalculationEnabled(true); chart.setMaximumViewport(chart.getMaximumViewport()); } else { ListenerService.requestData(this); } }
public void setupChart() { basalvsTempBasalChart.setZoomType(ZoomType.HORIZONTAL); basalvsTempBasalChart.setLineChartData(extendedGraphBuilder.basalvsTempBasalData()); Viewport iobv = new Viewport( basalvsTempBasalChart .getMaximumViewport()); // Sets the min and max for Top and Bottom of the // viewpoint iobv.top = extendedGraphBuilder.maxBasal.floatValue(); iobv.bottom = -(extendedGraphBuilder.maxBasal.floatValue() - 1); basalvsTempBasalChart.setMaximumViewport(iobv); iobv.left = previewChart.getCurrentViewport().left; iobv.right = previewChart.getCurrentViewport().right; basalvsTempBasalChart.setCurrentViewport(iobv); basalvsTempBasalChart.setViewportCalculationEnabled(true); // iobcobPastChart.setViewportChangeListener(new ChartViewPortListener()); // //causes a crash, no idea why #// TODO: 28/08/2015 }
public void setupChart() { iobcobPastChart.setZoomType(ZoomType.HORIZONTAL); iobcobPastChart.setLineChartData(extendedGraphBuilder.iobcobPastLineData()); Viewport iobv = new Viewport( iobcobPastChart .getMaximumViewport()); // Sets the min and max for Top and Bottom of the // viewpoint iobv.top = Float.parseFloat(extendedGraphBuilder.yCOBMax.toString()); iobv.bottom = Float.parseFloat(extendedGraphBuilder.yCOBMin.toString()); iobcobPastChart.setMaximumViewport(iobv); iobv.left = previewChart.getCurrentViewport().left; iobv.right = previewChart.getCurrentViewport().right; iobcobPastChart.setCurrentViewport(iobv); iobcobPastChart.setViewportCalculationEnabled(true); // iobcobPastChart.setViewportChangeListener(new ChartViewPortListener()); // //causes a crash, no idea why #// TODO: 28/08/2015 }
private void updateGraph(Cursor cursor) { // set up the goal line SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context); int goalCalories = Integer.parseInt(prefs.getString("preference_calorie_goal", "2000")); List<PointValue> goalValues = new ArrayList<>(); // set up the data List<PointValue> values = new ArrayList<>(); cursor.moveToFirst(); if (!cursor.isAfterLast()) { goalValues.add(new PointValue(getTimeFromRow(cursor), goalCalories)); } while (cursor.isAfterLast() == false) { float value = cursor.getFloat(cursor.getColumnIndex("total")); // Log.d("graph", "adding " + value + " on " + sdf.format(getTimeFromRow(cursor))); values.add(new PointValue(getTimeFromRow(cursor), value)); cursor.moveToNext(); } cursor.moveToLast(); goalValues.add(new PointValue(getTimeFromRow(cursor), goalCalories)); List<Line> lines = new ArrayList<Line>(); Line goalLine = new Line(goalValues).setColor(Color.parseColor("#ff0000")); lines.add(goalLine); Line line = new Line(values).setColor(Color.parseColor("#44a134")).setCubic(true); // line.setFilled(true); // line.setHasLabels(true); lines.add(line); LineChartData data = new LineChartData(); data.setLines(lines); Axis timeAxis = new Axis(); // timeAxis.setName(""); // timeAxis.setTextColor(ChartUtils.COLOR_ORANGE); timeAxis.setMaxLabelChars(5); timeAxis.setFormatter(new TimestampAxisFormatter()); timeAxis.setHasLines(true); timeAxis.setHasTiltedLabels(true); data.setAxisXBottom(timeAxis); Axis calorieAxis = new Axis(); // weightAxis.setName(""); // weightAxis.setTextColor(ChartUtils.COLOR_GREEN); calorieAxis.setMaxLabelChars(7); calorieAxis.setFormatter(new SimpleAxisValueFormatter().setAppendedText(" C".toCharArray())); calorieAxis.setHasLines(true); calorieAxis.setHasTiltedLabels(true); data.setAxisYLeft(calorieAxis); hellochart.setLineChartData(data); hellochart.setZoomType(ZoomType.HORIZONTAL); hellochart.setOnValueTouchListener(new ValueTouchListener()); // set up zoom so we can see 0 calories Viewport viewport = new Viewport(hellochart.getMaximumViewport()); viewport.bottom = 0; hellochart.setMaximumViewport(viewport); hellochart.setCurrentViewport(viewport); hellochart.invalidate(); }