Java Code Examples for lecho.lib.hellocharts.model.Line#setHasLabels()

private Line getLine(List<Integer> lineStatistics, int color) {
    List<PointValue> values = new LinkedList<>();
    int length = lineStatistics.size();
    for (int j = 0; j < length; ++j) {
        values.add(new PointValue(j, lineStatistics.get(j)));
    }
    LogUtils.d("getLineChartData: " + lineStatistics);

    Line line = new Line(values);
    line.setColor(color);
    line.setShape(ValueShape.CIRCLE);
    line.setCubic(false);
    line.setFilled(true);
    line.setHasLabels(true);
    line.setHasLines(true);
    line.setHasPoints(true);
    line.setPointRadius(3);

    return line;
}
 

@NonNull
public Line getCalibrationsLine(List<Calibration> calibrations, int color) {
    List<PointValue> values = new ArrayList<PointValue>();
    for (Calibration calibration : calibrations) {
        PointValue point = new PointValue((float)calibration.estimate_raw_at_time_of_calibration, (float)calibration.bg);
        String time = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT).format(new Date((long)calibration.raw_timestamp));
        point.setLabel(time.toCharArray());
        values.add(point);
    }

    Line line = new Line(values);
    line.setColor(color);
    line.setHasLines(false);
    line.setPointRadius(4);
    line.setHasPoints(true);
    line.setHasLabels(true);
    return line;
}
 

private LineChartData generateLineData() {

            List<Line> lines = new ArrayList<Line>();
            for (int i = 0; i < numberOfLines; ++i) {

                List<PointValue> values = new ArrayList<PointValue>();
                for (int j = 0; j < numberOfPoints; ++j) {
                    values.add(new PointValue(j, randomNumbersTab[i][j]));
                }

                Line line = new Line(values);
                line.setColor(ChartUtils.COLORS[i]);
                line.setCubic(isCubic);
                line.setHasLabels(hasLabels);
                line.setHasLines(hasLines);
                line.setHasPoints(hasPoints);
                lines.add(line);
            }

            LineChartData lineChartData = new LineChartData(lines);

            return lineChartData;

        }
 

private void initLineChart() {
        Line line = new Line(mPointValues).setColor(Color.parseColor("#FFFAFA"));  //折线的颜色（橙色）
        List<Line> lines = new ArrayList<>();
        line.setShape(ValueShape.CIRCLE);//折线图上每个数据点的形状  这里是圆形 （有三种 ：ValueShape.SQUARE  ValueShape.CIRCLE  ValueShape.DIAMOND）
        line.setCubic(false);//曲线是否平滑，即是曲线还是折线
        line.setFilled(false);//是否填充曲线的面积
        line.setHasLabels(true);//曲线的数据坐标是否加上备注
//      line.setHasLabelsOnlyForSelected(true);//点击数据坐标提示数据（设置了这个line.setHasLabels(true);就无效）
        line.setHasLines(true);//是否用线显示。如果为false 则没有曲线只有点显示
        line.setHasPoints(true);//是否显示圆点 如果为false 则没有原点只有点显示（每个数据点都是个大的圆点）
        lines.add(line);
        LineChartData data = new LineChartData();
        data.setLines(lines);

        //坐标轴
        Axis axisX = new Axis(); //X轴
        axisX.setHasTiltedLabels(true);  //X坐标轴字体是斜的显示还是直的，true是斜的显示
        axisX.setTextColor(Color.WHITE);  //设置字体颜色
        //axisX.setName("date");  //表格名称
        axisX.setTextSize(10);//设置字体大小
        axisX.setMaxLabelChars(8); //最多几个X轴坐标，意思就是你的缩放让X轴上数据的个数7<=x<=mAxisXValues.length
        axisX.setValues(mAxisXValues);  //填充X轴的坐标名称
        data.setAxisXBottom(axisX); //x 轴在底部
        //data.setAxisXTop(axisX);  //x 轴在顶部
        axisX.setHasLines(true); //x 轴分割线

        // Y轴是根据数据的大小自动设置Y轴上限(在下面我会给出固定Y轴数据个数的解决方案)
        Axis axisY = new Axis();

        axisY.setName("");//y轴标注
        // axisY.setTextSize(10);//设置字体大小
        axisY.setTextColor(Color.parseColor("#ffffff"));
        data.setAxisYLeft(axisY);  //Y轴设置在左边
        //data.setAxisYRight(axisY);  //y轴设置在右边


        //设置行为属性，支持缩放、滑动以及平移
        lineChart.setInteractive(true);
        lineChart.setZoomType(ZoomType.HORIZONTAL);
        lineChart.setMaxZoom((float) 2);//最大方法比例
        lineChart.setContainerScrollEnabled(true, ContainerScrollType.HORIZONTAL);
        lineChart.setLineChartData(data);
        lineChart.setVisibility(View.VISIBLE);
        /**注：下面的7，10只是代表一个数字去类比而已
         * 当时是为了解决X轴固定数据个数。见（http://forum.xda-developers.com/tools/programming/library-hellocharts-charting-library-t2904456/page2）;
         */
//        Viewport v = new Viewport(lineChart.getMaximumViewport());
//        v.left = 0;
//        v.right= 7;
//        lineChart.setCurrentViewport(v);
    }
 

@NonNull
public List<Line> getCalibrationsLine(List<Calibration> calibrations, int color) {
    if (calibrations == null) return new ArrayList<>();
    List<PointValue> values = new ArrayList<PointValue>();
    List<PointValue> valuesb = new ArrayList<PointValue>();
    List<PointValue> valuesc = new ArrayList<PointValue>();
    for (Calibration calibration : calibrations) {
        if (calibration.estimate_raw_at_time_of_calibration > end_x) {
            end_x = calibration.estimate_raw_at_time_of_calibration;
        }
        PointValue point = new PointValue((float) calibration.estimate_raw_at_time_of_calibration,
                doMgdl ? (float) calibration.bg : ((float) calibration.bg) * (float) Constants.MGDL_TO_MMOLL);
        PointValue pointb = new PointValue((float) calibration.raw_value,
                doMgdl ? (float) calibration.bg : ((float) calibration.bg) * (float) Constants.MGDL_TO_MMOLL);
        PointValue pointc = new PointValue((float) calibration.adjusted_raw_value,
                doMgdl ? (float) calibration.bg : ((float) calibration.bg) * (float) Constants.MGDL_TO_MMOLL);
        String time;
        if (show_days_since) {
            final int days_ago = daysAgo(calibration.raw_timestamp);
            time = (days_ago > 0) ? Integer.toString(days_ago) + "d  " : "";
            time = time + (JoH.hourMinuteString(calibration.raw_timestamp));
        } else {
            time = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT).format(new Date((long) calibration.raw_timestamp));
        }
        point.setLabel(time);
        values.add(point);

        // extra points showing real raw and age_adjusted raw for each calbration point

        valuesb.add(pointb);
        valuesc.add(pointc);
    }


    Line line = new Line(values);
    line.setColor(color);
    line.setHasLines(false);
    line.setPointRadius(4);
    line.setHasPoints(true);
    line.setHasLabels(true);

    List<Line> lines = new ArrayList<>();
    lines.add(line);

    if (Pref.getBooleanDefaultFalse("engineering_mode")) {

        // actual raw
        Line lineb = new Line(valuesb);
        lineb.setColor(Color.RED);
        lineb.setHasLines(false);
        lineb.setPointRadius(1);
        lineb.setHasPoints(true);
        lineb.setHasLabels(false);

        // age adjusted raw
        Line linec = new Line(valuesc);
        linec.setColor(Color.YELLOW);
        linec.setHasLines(false);
        linec.setPointRadius(1);
        linec.setHasPoints(true);
        linec.setHasLabels(false);

        lines.add(lineb);
        lines.add(linec);
    }
    return lines;
}
 

@NonNull
public List<Line> getCalibrationsLine(List<Calibration> calibrations, int color) {
    if (calibrations == null) return new ArrayList<>();
    List<PointValue> values = new ArrayList<PointValue>();
    List<PointValue> valuesb = new ArrayList<PointValue>();
    List<PointValue> valuesc = new ArrayList<PointValue>();
    for (Calibration calibration : calibrations) {
        if (calibration.estimate_raw_at_time_of_calibration > end_x) {
            end_x = calibration.estimate_raw_at_time_of_calibration;
        }
        PointValue point = new PointValue((float) calibration.estimate_raw_at_time_of_calibration,
                doMgdl ? (float) calibration.bg : ((float) calibration.bg) * (float) Constants.MGDL_TO_MMOLL);
        PointValue pointb = new PointValue((float) calibration.raw_value,
                doMgdl ? (float) calibration.bg : ((float) calibration.bg) * (float) Constants.MGDL_TO_MMOLL);
        PointValue pointc = new PointValue((float) calibration.adjusted_raw_value,
                doMgdl ? (float) calibration.bg : ((float) calibration.bg) * (float) Constants.MGDL_TO_MMOLL);
        String time;
        if (show_days_since) {
            final int days_ago = daysAgo(calibration.raw_timestamp);
            time = (days_ago > 0) ? Integer.toString(days_ago) + "d  " : "";
            time = time + (JoH.hourMinuteString(calibration.raw_timestamp));
        } else {
            time = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT).format(new Date((long) calibration.raw_timestamp));
        }
        point.setLabel(time);
        values.add(point);

        // extra points showing real raw and age_adjusted raw for each calbration point

        valuesb.add(pointb);
        valuesc.add(pointc);
    }


    Line line = new Line(values);
    line.setColor(color);
    line.setHasLines(false);
    line.setPointRadius(4);
    line.setHasPoints(true);
    line.setHasLabels(true);

    List<Line> lines = new ArrayList<>();
    lines.add(line);

    if (Pref.getBooleanDefaultFalse("engineering_mode")) {

        // actual raw
        Line lineb = new Line(valuesb);
        lineb.setColor(Color.RED);
        lineb.setHasLines(false);
        lineb.setPointRadius(1);
        lineb.setHasPoints(true);
        lineb.setHasLabels(false);

        // age adjusted raw
        Line linec = new Line(valuesc);
        linec.setColor(Color.YELLOW);
        linec.setHasLines(false);
        linec.setPointRadius(1);
        linec.setHasPoints(true);
        linec.setHasLabels(false);

        lines.add(lineb);
        lines.add(linec);
    }
    return lines;
}
 

private void generateData() {

            List<Line> lines = new ArrayList<Line>();
            for (int i = 0; i < numberOfLines; ++i) {

                List<PointValue> values = new ArrayList<PointValue>();
                for (int j = 0; j < numberOfPoints; ++j) {
                    values.add(new PointValue(j, randomNumbersTab[i][j]));
                }

                Line line = new Line(values);
                line.setColor(ChartUtils.COLORS[i]);
                line.setShape(shape);
                line.setCubic(isCubic);
                line.setFilled(isFilled);
                line.setHasLabels(hasLabels);
                line.setHasLabelsOnlyForSelected(hasLabelForSelected);
                line.setHasLines(hasLines);
                line.setHasPoints(hasPoints);
                line.setHasGradientToTransparent(hasGradientToTransparent);
                if (pointsHaveDifferentColor){
                    line.setPointColor(ChartUtils.COLORS[(i + 1) % ChartUtils.COLORS.length]);
                }
                lines.add(line);
            }

            data = new LineChartData(lines);

            if (hasAxes) {
                Axis axisX = new Axis();
                Axis axisY = new Axis().setHasLines(true);
                if (hasAxesNames) {
                    axisX.setName("Axis X");
                    axisY.setName("Axis Y");
                }
                data.setAxisXBottom(axisX);
                data.setAxisYLeft(axisY);
            } else {
                data.setAxisXBottom(null);
                data.setAxisYLeft(null);
            }

            data.setBaseValue(Float.NEGATIVE_INFINITY);
            chart.setLineChartData(data);

        }