Examples with LineData com.github.mikephil.charting.data.LineData used on opensource projects

Example 16 with LineData

use of com.github.mikephil.charting.data.LineData in project Weather by Sparker0i.

the class GraphsFragment method loadTemperatureChart.

public void loadTemperatureChart() {
    temperatureChart.setDrawGridBackground(false);
    temperatureChart.setBackgroundColor(Color.BLACK);
    temperatureChart.setTouchEnabled(true);
    temperatureChart.setDragEnabled(true);
    temperatureChart.setMaxHighlightDistance(300);
    temperatureChart.setPinchZoom(true);
    temperatureChart.setPadding(2, 2, 2, 2);
    temperatureChart.getLegend().setEnabled(true);
    temperatureChart.getLegend().setTextColor(Color.WHITE);
    YAxis yAxisRight = temperatureChart.getAxisRight();
    yAxisRight.setDrawGridLines(false);
    yAxisRight.setDrawAxisLine(false);
    yAxisRight.setDrawLabels(false);
    yAxisRight.setTextColor(Color.WHITE);
    yAxisRight.enableAxisLineDashedLine(2f, 4f, 2f);
    YAxis yAxisLeft = temperatureChart.getAxisLeft();
    yAxisLeft.setTextColor(Color.WHITE);
    XAxis x = temperatureChart.getXAxis();
    x.setEnabled(true);
    x.setPosition(XAxis.XAxisPosition.BOTTOM);
    x.setDrawGridLines(false);
    x.setTextColor(Color.parseColor("#FFFFFF"));
    x.setValueFormatter(new XFormatter(dates));
    LineDataSet set;
    if (temperatureChart.getData() != null) {
        temperatureChart.getData().removeDataSet(temperatureChart.getData().getDataSetByIndex(temperatureChart.getData().getDataSetCount() - 1));
        temperatureChart.getLegend().setTextColor(Color.parseColor("#FFFFFF"));
    }
    String temp = String.format(Locale.ENGLISH, getString(R.string.g_temp), pf.getUnits().equals("metric") ? getString(R.string.c) : getString(R.string.f));
    set = new LineDataSet(tempEntries, temp);
    set.setMode(LineDataSet.Mode.CUBIC_BEZIER);
    set.setCubicIntensity(0.2f);
    set.setDrawCircles(false);
    set.setLineWidth(2f);
    set.setDrawValues(false);
    set.setValueTextSize(10f);
    set.setColor(Color.MAGENTA);
    set.setHighlightEnabled(false);
    set.setValueFormatter(mValueFormatter);
    LineData data = new LineData(set);
    temperatureChart.setData(data);
    temperatureChart.invalidate();
}

Example 17 with LineData

use of com.github.mikephil.charting.data.LineData in project Gadgetbridge by Freeyourgadget.

the class AbstractChartFragment method refresh.

protected DefaultChartsData<CombinedData> refresh(GBDevice gbDevice, List<? extends ActivitySample> samples) {
    //        Calendar cal = GregorianCalendar.getInstance();
    //        cal.clear();
    TimestampTranslation tsTranslation = new TimestampTranslation();
    //        Date date;
    //        String dateStringFrom = "";
    //        String dateStringTo = "";
    //        ArrayList<String> xLabels = null;
    LOG.info("" + getTitle() + ": number of samples:" + samples.size());
    CombinedData combinedData;
    if (samples.size() > 1) {
        boolean annotate = true;
        boolean use_steps_as_movement;
        int last_type = ActivityKind.TYPE_UNKNOWN;
        int numEntries = samples.size();
        List<BarEntry> activityEntries = new ArrayList<>(numEntries);
        boolean hr = supportsHeartrate(gbDevice);
        List<Entry> heartrateEntries = hr ? new ArrayList<Entry>(numEntries) : null;
        // this is kinda inefficient...
        List<Integer> colors = new ArrayList<>(numEntries);
        int lastHrSampleIndex = -1;
        for (int i = 0; i < numEntries; i++) {
            ActivitySample sample = samples.get(i);
            int type = sample.getKind();
            int ts = tsTranslation.shorten(sample.getTimestamp());
            //                System.out.println(ts);
            //                ts = i;
            // determine start and end dates
            //                if (i == 0) {
            //                    cal.setTimeInMillis(ts * 1000L); // make sure it's converted to long
            //                    date = cal.getTime();
            //                    dateStringFrom = dateFormat.format(date);
            //                } else if (i == samples.size() - 1) {
            //                    cal.setTimeInMillis(ts * 1000L); // same here
            //                    date = cal.getTime();
            //                    dateStringTo = dateFormat.format(date);
            //                }
            float movement = sample.getIntensity();
            float value = movement;
            switch(type) {
                case ActivityKind.TYPE_DEEP_SLEEP:
                    value += SleepUtils.Y_VALUE_DEEP_SLEEP;
                    colors.add(akDeepSleep.color);
                    break;
                case ActivityKind.TYPE_LIGHT_SLEEP:
                    colors.add(akLightSleep.color);
                    break;
                case ActivityKind.TYPE_NOT_WORN:
                    //a small value, just to show something on the graphs
                    value = SleepUtils.Y_VALUE_DEEP_SLEEP;
                    colors.add(akNotWorn.color);
                    break;
                default:
                    //                        short steps = sample.getSteps();
                    //                        if (use_steps_as_movement && steps != 0) {
                    //                            // I'm not sure using steps for this is actually a good idea
                    //                            movement = steps;
                    //                        }
                    //                        value = ((float) movement) / movement_divisor;
                    colors.add(akActivity.color);
            }
            activityEntries.add(createBarEntry(value, ts));
            if (hr && isValidHeartRateValue(sample.getHeartRate())) {
                if (lastHrSampleIndex > -1 && ts - lastHrSampleIndex > 60 * HeartRateUtils.MAX_HR_MEASUREMENTS_GAP_MINUTES) {
                    heartrateEntries.add(createLineEntry(0, lastHrSampleIndex + 1));
                    heartrateEntries.add(createLineEntry(0, ts - 1));
                }
                heartrateEntries.add(createLineEntry(sample.getHeartRate(), ts));
                lastHrSampleIndex = ts;
            }
            String xLabel = "";
            if (annotate) {
            //                    cal.setTimeInMillis((ts + tsOffset) * 1000L);
            //                    date = cal.getTime();
            //                    String dateString = annotationDateFormat.format(date);
            //                    xLabel = dateString;
            //                    if (last_type != type) {
            //                        if (isSleep(last_type) && !isSleep(type)) {
            //                            // woken up
            //                            LimitLine line = new LimitLine(i, dateString);
            //                            line.enableDashedLine(8, 8, 0);
            //                            line.setTextColor(Color.WHITE);
            //                            line.setTextSize(15);
            //                            chart.getXAxis().addLimitLine(line);
            //                        } else if (!isSleep(last_type) && isSleep(type)) {
            //                            // fallen asleep
            //                            LimitLine line = new LimitLine(i, dateString);
            //                            line.enableDashedLine(8, 8, 0);
            //                            line.setTextSize(15);
            //                            line.setTextColor(Color.WHITE);
            //                            chart.getXAxis().addLimitLine(line);
            //                        }
            //                    }
            //                    last_type = type;
            }
        }
        BarDataSet activitySet = createActivitySet(activityEntries, colors, "Activity");
        // create a data object with the datasets
        //            combinedData = new CombinedData(xLabels);
        combinedData = new CombinedData();
        List<IBarDataSet> list = new ArrayList<>();
        list.add(activitySet);
        BarData barData = new BarData(list);
        barData.setBarWidth(100f);
        //            barData.setGroupSpace(0);
        combinedData.setData(barData);
        if (hr && heartrateEntries.size() > 0) {
            LineDataSet heartrateSet = createHeartrateSet(heartrateEntries, "Heart Rate");
            LineData lineData = new LineData(heartrateSet);
            combinedData.setData(lineData);
        }
    //            chart.setDescription(getString(R.string.sleep_activity_date_range, dateStringFrom, dateStringTo));
    //            chart.setDescriptionPosition(?, ?);
    } else {
        combinedData = new CombinedData();
    }
    IAxisValueFormatter xValueFormatter = new SampleXLabelFormatter(tsTranslation);
    return new DefaultChartsData(combinedData, xValueFormatter);
}

Example 18 with LineData

use of com.github.mikephil.charting.data.LineData in project MPAndroidChart by PhilJay.

the class CombinedChartActivity method generateLineData.

private LineData generateLineData() {
    LineData d = new LineData();
    ArrayList<Entry> entries = new ArrayList<Entry>();
    for (int index = 0; index < itemcount; index++) entries.add(new Entry(index + 0.5f, getRandom(15, 5)));
    LineDataSet set = new LineDataSet(entries, "Line DataSet");
    set.setColor(Color.rgb(240, 238, 70));
    set.setLineWidth(2.5f);
    set.setCircleColor(Color.rgb(240, 238, 70));
    set.setCircleRadius(5f);
    set.setFillColor(Color.rgb(240, 238, 70));
    set.setMode(LineDataSet.Mode.CUBIC_BEZIER);
    set.setDrawValues(true);
    set.setValueTextSize(10f);
    set.setValueTextColor(Color.rgb(240, 238, 70));
    set.setAxisDependency(YAxis.AxisDependency.LEFT);
    d.addDataSet(set);
    return d;
}

Example 19 with LineData

use of com.github.mikephil.charting.data.LineData in project MPAndroidChart by PhilJay.

the class CubicLineChartActivity method setData.

private void setData(int count, float range) {
    ArrayList<Entry> yVals = new ArrayList<Entry>();
    for (int i = 0; i < count; i++) {
        float mult = (range + 1);
        // + (float)
        float val = (float) (Math.random() * mult) + 20;
        // ((mult *
        // 0.1) / 10);
        yVals.add(new Entry(i, val));
    }
    LineDataSet set1;
    if (mChart.getData() != null && mChart.getData().getDataSetCount() > 0) {
        set1 = (LineDataSet) mChart.getData().getDataSetByIndex(0);
        set1.setValues(yVals);
        mChart.getData().notifyDataChanged();
        mChart.notifyDataSetChanged();
    } else {
        // create a dataset and give it a type
        set1 = new LineDataSet(yVals, "DataSet 1");
        set1.setMode(LineDataSet.Mode.CUBIC_BEZIER);
        set1.setCubicIntensity(0.2f);
        //set1.setDrawFilled(true);
        set1.setDrawCircles(false);
        set1.setLineWidth(1.8f);
        set1.setCircleRadius(4f);
        set1.setCircleColor(Color.WHITE);
        set1.setHighLightColor(Color.rgb(244, 117, 117));
        set1.setColor(Color.WHITE);
        set1.setFillColor(Color.WHITE);
        set1.setFillAlpha(100);
        set1.setDrawHorizontalHighlightIndicator(false);
        set1.setFillFormatter(new IFillFormatter() {

            @Override
            public float getFillLinePosition(ILineDataSet dataSet, LineDataProvider dataProvider) {
                return -10;
            }
        });
        // create a data object with the datasets
        LineData data = new LineData(set1);
        data.setValueTypeface(mTfLight);
        data.setValueTextSize(9f);
        data.setDrawValues(false);
        // set data
        mChart.setData(data);
    }
}

Example 20 with LineData

use of com.github.mikephil.charting.data.LineData in project MPAndroidChart by PhilJay.

the class DynamicalAddingActivity method addEntry.

private void addEntry() {
    LineData data = mChart.getData();
    ILineDataSet set = data.getDataSetByIndex(0);
    if (set == null) {
        set = createSet();
        data.addDataSet(set);
    }
    // choose a random dataSet
    int randomDataSetIndex = (int) (Math.random() * data.getDataSetCount());
    float yValue = (float) (Math.random() * 10) + 50f;
    data.addEntry(new Entry(data.getDataSetByIndex(randomDataSetIndex).getEntryCount(), yValue), randomDataSetIndex);
    data.notifyDataChanged();
    // let the chart know it's data has changed
    mChart.notifyDataSetChanged();
    mChart.setVisibleXRangeMaximum(6);
    //mChart.setVisibleYRangeMaximum(15, AxisDependency.LEFT);
    //            
    //            // this automatically refreshes the chart (calls invalidate())
    mChart.moveViewTo(data.getEntryCount() - 7, 50f, AxisDependency.LEFT);
}