Java Code Examples for com.github.mikephil.charting.data.LineDataSet#setFillColor()

private LineData generateLineData() {

        LineData d = new LineData();

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

        for (int index = 0; index < count; 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;
    }
 

/**
 * Style char lines (type, color, etc.).
 *
 * @param entries list of entries.
 * @return line data chart.
 */
private LineData styleChartLines(List<Entry> entries) {
    // Set styles
    LineDataSet lineDataSet = new LineDataSet(entries, "Recording");
    lineDataSet.setMode(LineDataSet.Mode.HORIZONTAL_BEZIER);
    lineDataSet.setCubicIntensity(0.2f);
    lineDataSet.setDrawValues(false);
    lineDataSet.setDrawCircles(false);
    lineDataSet.setLineWidth(1.8f);
    lineDataSet.setColor(ContextCompat.getColor(context, R.color.colorAccent));
    if (((int) lineDataSet.getYMax()) != 0) {
        lineDataSet.setDrawFilled(true);
        lineDataSet.setFillAlpha(255);
        // Fix bug with vectors in API < 21
        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT){
            Drawable drawable = ResourcesCompat.getDrawable(context.getResources(),
                    R.drawable.chart_fade, null);
            lineDataSet.setFillDrawable(drawable);
        } else{
            lineDataSet.setFillColor(ContextCompat.getColor(context, R.color.colorPrimary));
        }
    }
    return new LineData(lineDataSet);
}
 

private LineDataSet createSet() {

        LineDataSet set = new LineDataSet(null, "Dynamic Data");
        set.setAxisDependency(AxisDependency.LEFT);
        set.setColor(ColorTemplate.getHoloBlue());
        set.setCircleColor(Color.WHITE);
        set.setLineWidth(2f);
        set.setCircleRadius(4f);
        set.setFillAlpha(65);
        set.setFillColor(ColorTemplate.getHoloBlue());
        set.setHighLightColor(Color.rgb(244, 117, 117));
        set.setValueTextColor(Color.WHITE);
        set.setValueTextSize(9f);
        set.setDrawValues(false);
        return set;
    }
 

private LineData generateLineData() {

        LineData d = new LineData();

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

        for (int index = 0; index < itemcount; index++)
            entries.add(new Entry(getRandom(15, 10), index));

        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.setDrawCubic(true);
        set.setDrawValues(true);
        set.setValueTextSize(10f);
        set.setValueTextColor(Color.rgb(240, 238, 70));

        set.setAxisDependency(YAxis.AxisDependency.LEFT);

        d.addDataSet(set);

        return d;
    }
 

public LineDataSet setUpLineDataSet(List<Entry> entries) {
    LineDataSet dataSet = new LineDataSet(entries, "Price");
    dataSet.setColor(chartBorderColor);
    dataSet.setFillColor(chartFillColor);
    dataSet.setDrawHighlightIndicators(true);
    dataSet.setDrawFilled(true);
    dataSet.setDrawCircles(true);
    dataSet.setCircleColor(chartBorderColor);
    dataSet.setDrawCircleHole(false);
    dataSet.setDrawValues(false);
    dataSet.setCircleRadius(1);
    dataSet.setHighlightLineWidth(2);
    dataSet.setHighlightEnabled(true);
    dataSet.setDrawHighlightIndicators(true);
    dataSet.setHighLightColor(chartBorderColor); // color for highlight indicator
    return dataSet;
}
 

private LineData getData(ArrayList<Entry> yVals) {
    LineDataSet set1 = new LineDataSet(yVals, "");
    set1.setLineWidth(1.45f);
    set1.setColor(Color.argb(240, 255, 255, 255));
    set1.setCircleColor(Color.WHITE);
    set1.setHighLightColor(Color.WHITE);
    set1.setFillColor(getResources().getColor(R.color.chartFilled));
    set1.setDrawCircles(false);
    set1.setDrawValues(false);
    set1.setDrawFilled(true);
    set1.setFillFormatter(new IFillFormatter() {
        @Override
        public float getFillLinePosition(ILineDataSet dataSet, LineDataProvider dataProvider) {
            return priceChart.getAxisLeft().getAxisMinimum();
        }
    });

    LineData data = new LineData(set1);
    return data;
}
 

private LineDataSet createSet() {

        LineDataSet set = new LineDataSet(null, "Dynamic Data");
        set.setAxisDependency(AxisDependency.LEFT);
        set.setColor(ColorTemplate.getHoloBlue());
        set.setCircleColor(Color.WHITE);
        set.setLineWidth(2f);
        set.setCircleRadius(4f);
        set.setFillAlpha(65);
        set.setFillColor(ColorTemplate.getHoloBlue());
        set.setHighLightColor(Color.rgb(244, 117, 117));
        set.setValueTextColor(Color.WHITE);
        set.setValueTextSize(9f);
        set.setDrawValues(false);
        return set;
    }
 

private LineData getData(ArrayList<Entry> yVals) {
    LineDataSet set1 = new LineDataSet(yVals, "");
    set1.setLineWidth(1.45f);
    set1.setColor(Color.argb(240, 255, 255, 255));
    set1.setCircleColor(Color.WHITE);
    set1.setHighLightColor(Color.WHITE);
    set1.setFillColor(getResources().getColor(R.color.chartFilled));
    set1.setDrawCircles(false);
    set1.setDrawValues(false);
    set1.setDrawFilled(true);
    set1.setFillFormatter(new IFillFormatter() {
        @Override
        public float getFillLinePosition(ILineDataSet dataSet, LineDataProvider dataProvider) {
            return priceChart.getAxisLeft().getAxisMinimum();
        }
    });

    LineData data = new LineData(set1);
    return data;
}
 

private void changeStyle(long id, LineChart chart, LineDataSet set) {
    final int index = (int) (id % FG.length);
    final Context context = chart.getContext();

    final int fg = ContextCompat.getColor(context, FG[index]);
    set.setColor(fg);
    set.setFillColor(fg);

    chart.setGridBackgroundColor(ContextCompat.getColor(context, BG[index]));
}
 

private void changeStyle(long id, LineChart chart, LineDataSet set) {
    final int index = (int) (id % FG.length);
    final Context context = chart.getContext();

    final int fg = ContextCompat.getColor(context, FG[index]);
    set.setColor(fg);
    set.setFillColor(fg);
    mLowerBg.setBackgroundColor(fg);

    getWindow().setBackgroundDrawableResource(BG[index]);
}
 

private LineData getWeekThoughtData() {
    LineData d = new LineData();

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

    for (int i=0; i<WEEK_COUNT; i++) {
        entries.add(
                new BarEntry(
                        new GetCountSpecDayApi(getActivity()).exec(
                                TimeUtils.calendarDaysBefore(WEEK_COUNT-i),
                                GetCountSpecDayApi.THOUGHT
                        ),i
                )
        );
    }

    LineDataSet set = new LineDataSet(entries, getString(R.string.thought_count_text));
    set.setColor(mAccentColor);
    set.setLineWidth(2.5f);
    set.setAxisDependency(YAxis.AxisDependency.LEFT);
    set.setCircleColor(mPrimaryColorDark);
    set.setCircleSize(5f);
    set.setFillColor(mPrimaryColor);
    set.setDrawValues(true);
    set.setValueFormatter(new IntValueFormatter());
    d.addDataSet(set);
    return d;
}
 

private void setupDatasetWithDefaultValues(LineDataSet dataSet) {
    dataSet.setAxisDependency(YAxis.AxisDependency.LEFT);
    dataSet.setColor(ColorTemplate.getHoloBlue());
    dataSet.setValueTextColor(ColorTemplate.getHoloBlue());
    dataSet.setLineWidth(1.5f);
    dataSet.setDrawCircles(false);
    dataSet.setDrawValues(false);
    dataSet.setFillAlpha(65);
    dataSet.setFillColor(ColorTemplate.getHoloBlue());
    dataSet.setHighLightColor(Color.rgb(244, 117, 117));
    dataSet.setDrawCircleHole(false);
}
 

private void setData(int count, float range) {

        // now in hours
        long now = TimeUnit.MILLISECONDS.toHours(System.currentTimeMillis());

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

        // count = hours
        float to = now + count;

        // increment by 1 hour
        for (float x = now; x < to; x++) {

            float y = getRandom(range, 50);
            values.add(new Entry(x, y)); // add one entry per hour
        }

        // create a dataset and give it a type
        LineDataSet set1 = new LineDataSet(values, "DataSet 1");
        set1.setAxisDependency(AxisDependency.LEFT);
        set1.setColor(ColorTemplate.getHoloBlue());
        set1.setValueTextColor(ColorTemplate.getHoloBlue());
        set1.setLineWidth(1.5f);
        set1.setDrawCircles(false);
        set1.setDrawValues(false);
        set1.setFillAlpha(65);
        set1.setFillColor(ColorTemplate.getHoloBlue());
        set1.setHighLightColor(Color.rgb(244, 117, 117));
        set1.setDrawCircleHole(false);

        // create a data object with the data sets
        LineData data = new LineData(set1);
        data.setValueTextColor(Color.WHITE);
        data.setValueTextSize(9f);

        // set data
        chart.setData(data);
    }
 

/**
 * Configure styles of weather charts.
 *
 * @param entries   chart data.
 * @param formatter value formatter.
 * @param minVal    min value to show.
 * @param maxVal    max value to show.
 * @return chart formatted.
 */
private LineDataSet configureWeatherChart(
        LineChart chart, int chartName, int colorLineTempChart, int colorFillTempChart,
        List<Entry> entries, IAxisValueFormatter formatter, double minVal, double maxVal) {
    LineDataSet lineDataSet = new LineDataSet(entries, getString(chartName));
    lineDataSet.setMode(LineDataSet.Mode.HORIZONTAL_BEZIER);
    lineDataSet.setDrawValues(false);
    lineDataSet.setValueTextSize(10f);
    lineDataSet.setDrawCircles(false);
    lineDataSet.setLineWidth(1.8f);
    lineDataSet.setColor(ContextCompat.getColor(getContext(), colorLineTempChart));
    lineDataSet.setLineWidth(2f);
    lineDataSet.setDrawFilled(true);
    lineDataSet.setFillColor(ContextCompat.getColor(getContext(), colorFillTempChart));
    lineDataSet.setFillAlpha(255);
    // General setup
    chart.setDrawGridBackground(false);
    chart.setDrawBorders(false);
    chart.setViewPortOffsets(0, 0, 0, 0);
    chart.getDescription().setEnabled(false);
    chart.getLegend().setEnabled(false);
    chart.setTouchEnabled(false);
    // X axis setup
    XAxis xAxis = chart.getXAxis();
    xAxis.setEnabled(false);
    xAxis.setAxisMinimum(0);
    xAxis.setAxisMaximum(lastTimestamp);
    // Y axis setup
    YAxis leftAxis = chart.getAxisLeft();
    leftAxis.setEnabled(false);
    leftAxis.setAxisMaximum((float) (maxVal));
    leftAxis.setAxisMinimum((float) (minVal));
    YAxis rightAxis = chart.getAxisRight();
    rightAxis.setAxisMaximum((float) (maxVal));
    rightAxis.setAxisMinimum((float) (minVal));
    rightAxis.setPosition(YAxis.YAxisLabelPosition.INSIDE_CHART);
    rightAxis.setValueFormatter(formatter);
    return lineDataSet;
}
 

private LineData loadData(ChartCard card) {
    // add entries to dataset
    LineDataSet lineDataSet = new LineDataSet(card.entries, null);
    lineDataSet.setMode(LineDataSet.Mode.LINEAR);
    lineDataSet.setDrawValues(false);
    lineDataSet.setDrawCircleHole(false);
    lineDataSet.setColor(card.color);
    lineDataSet.setCircleColor(card.color);
    lineDataSet.setLineWidth(1.8f);
    lineDataSet.setDrawFilled(true);
    lineDataSet.setFillColor(card.color);

    return new LineData(lineDataSet);
}
 

private LineDataSet createDataSet() {
    LineDataSet powerDataset = new LineDataSet(null, "watts");
    powerDataset.setColor(ContextCompat.getColor(context, R.color.chartBlue));
    powerDataset.setValueTextColor(ContextCompat.getColor(context, R.color.lightGrey));
    powerDataset.setDrawCircles(false);
    powerDataset.setDrawFilled(true);
    powerDataset.setFillColor(ContextCompat.getColor(context, R.color.chartBlue));
    powerDataset.setDrawValues(false);
    powerDataset.setValueTextSize(R.integer.chartValueTextSize);
    powerDataset.setHighlightEnabled(false);
    return powerDataset;
}
 

private void setData(int count, float range) {

        ArrayList<String> xVals = new ArrayList<String>();
        for (int i = 0; i < count; i++) {
            xVals.add((1990 +i) + "");
        }

        ArrayList<Entry> vals1 = new ArrayList<Entry>();

        for (int i = 0; i < count; i++) {
            float mult = (range + 1);
            float val = (float) (Math.random() * mult) + 20;// + (float)
                                                           // ((mult *
                                                           // 0.1) / 10);
            vals1.add(new Entry(val, i));
        }
        
        // create a dataset and give it a type
        LineDataSet set1 = new LineDataSet(vals1, "DataSet 1");
        set1.setDrawCubic(true);
        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 FillFormatter() {
            @Override
            public float getFillLinePosition(ILineDataSet dataSet, LineDataProvider dataProvider) {
                return -10;
            }
        });
        
        // create a data object with the datasets
        LineData data = new LineData(xVals, set1);
        data.setValueTypeface(tf);
        data.setValueTextSize(9f);
        data.setDrawValues(false);

        // set data
        mChart.setData(data);
    }
 

public void draw(ArrayList<Entry> entries) {
    mChart.clear();
    if (entries.isEmpty()) {
        return;
    }

    Collections.sort(entries, new EntryXComparator());

    //Log.d("DEBUG", arrayToString(entries));

    LineDataSet set1 = new LineDataSet(entries, mChartName);
    set1.setLineWidth(3f);
    set1.setCircleRadius(4f);
    set1.setDrawFilled(true);
    if (Utils.getSDKInt() >= 18) {
        // fill drawable only supported on api level 18 and above
        Drawable drawable = ContextCompat.getDrawable(mContext, R.drawable.fade_blue);
        set1.setFillDrawable(drawable);
    } else {
        set1.setFillColor(ColorTemplate.getHoloBlue());
    }
    set1.setFillAlpha(100);
    set1.setColor(mContext.getResources().getColor(R.color.toolbar_background));
    set1.setCircleColor(mContext.getResources().getColor(R.color.toolbar_background));

    // Create a data object with the datasets
    LineData data = new LineData(set1);

    data.setValueFormatter(new IValueFormatter() {
        private DecimalFormat mFormat = new DecimalFormat("#.##");

        @Override
        public String getFormattedValue(float value, Entry entry, int dataSetIndex, ViewPortHandler viewPortHandler) {
            return mFormat.format(value);
        }
    });

    // Set data
    mChart.setData(data);

    mChart.invalidate();
    //mChart.animateY(500, Easing.EasingOption.EaseInBack);    //refresh graph

}
 

public void draw(ArrayList<Entry> entries) {
    mChart.clear();
    if (entries.isEmpty()) {
        return;
    }

    Collections.sort(entries, new EntryXComparator());

    //Log.d("DEBUG", arrayToString(entries));

    LineDataSet set1 = new LineDataSet(entries, mChartName);
    set1.setLineWidth(3f);
    set1.setCircleRadius(0f);
    set1.setDrawFilled(true);
    if (Utils.getSDKInt() >= 18) {
        // fill drawable only supported on api level 18 and above
        Drawable drawable = ContextCompat.getDrawable(mContext, R.drawable.fade_blue);
        set1.setFillDrawable(drawable);
    } else {
        set1.setFillColor(ColorTemplate.getHoloBlue());
    }
    set1.setFillAlpha(100);
    set1.setColor(mContext.getResources().getColor(R.color.toolbar_background));
    set1.setCircleColor(mContext.getResources().getColor(R.color.toolbar_background));

    // Create a data object with the datasets
    LineData data = new LineData(set1);
    data.setDrawValues(false);

    /*data.setValueFormatter(new IValueFormatter() {
        private DecimalFormat mFormat = new DecimalFormat("#.##");

        @Override
        public String getFormattedValue(float value, Entry entry, int dataSetIndex, ViewPortHandler viewPortHandler) {
            return mFormat.format(value);
        }
    });*/

    // Set data
    mChart.setData(data);

    mChart.invalidate();
    //mChart.animateY(500, Easing.EasingOption.EaseInBack);    //refresh graph

}
 

void setGraphData(JSONArray currencyRateTrends) {
    ArrayList<Entry> values = new ArrayList<>();

    for (int i = 0; i < currencyRateTrends.length(); i++) {
        try {
            values.add(new Entry(i, (float) currencyRateTrends.getDouble(i)));
        } catch (JSONException e) {
            e.printStackTrace();
        }
    }

    LineDataSet lineDataSet = new LineDataSet(values, GRAPH_LABEL_NAME);
    lineDataSet.setDrawIcons(false);
    lineDataSet.setColor(Color.RED);
    lineDataSet.setCircleColor(Color.BLUE);
    lineDataSet.setCircleRadius(1f);
    lineDataSet.setLineWidth(1f);
    lineDataSet.setCircleRadius(3f);
    lineDataSet.setDrawCircleHole(true);
    lineDataSet.setValueTextSize(10f);
    lineDataSet.setValueTextColor(Color.BLACK);
    lineDataSet.setDrawFilled(true);
    lineDataSet.setFormSize(10.f);
    if (Utils.getSDKInt() >= 18) {
        // fill drawable only supported on api level 18 and above
        Drawable drawable = ContextCompat.getDrawable(this, R.drawable.fade_green);
        lineDataSet.setFillDrawable(drawable);
    } else {
        lineDataSet.setFillColor(Color.BLACK);
    }

    ArrayList<ILineDataSet> dataSets = new ArrayList<ILineDataSet>();
    dataSets.add(lineDataSet);

    // create a data object with the datasets
    LineData data = new LineData(dataSets);

    // set data
    graph.setData(data);

}