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

Example 26 with LineDataSet

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

the class LineChartActivity1 method setData.

private void setData(int count, float range) {
    ArrayList<Entry> values = new ArrayList<Entry>();
    for (int i = 0; i < count; i++) {
        float val = (float) (Math.random() * range) + 3;
        values.add(new Entry(i, val, getResources().getDrawable(R.drawable.star)));
    }
    LineDataSet set1;
    if (mChart.getData() != null && mChart.getData().getDataSetCount() > 0) {
        set1 = (LineDataSet) mChart.getData().getDataSetByIndex(0);
        set1.setValues(values);
        mChart.getData().notifyDataChanged();
        mChart.notifyDataSetChanged();
    } else {
        // create a dataset and give it a type
        set1 = new LineDataSet(values, "DataSet 1");
        set1.setDrawIcons(false);
        // set the line to be drawn like this "- - - - - -"
        set1.enableDashedLine(10f, 5f, 0f);
        set1.enableDashedHighlightLine(10f, 5f, 0f);
        set1.setColor(Color.BLACK);
        set1.setCircleColor(Color.BLACK);
        set1.setLineWidth(1f);
        set1.setCircleRadius(3f);
        set1.setDrawCircleHole(false);
        set1.setValueTextSize(9f);
        set1.setDrawFilled(true);
        set1.setFormLineWidth(1f);
        set1.setFormLineDashEffect(new DashPathEffect(new float[] { 10f, 5f }, 0f));
        set1.setFormSize(15.f);
        if (Utils.getSDKInt() >= 18) {
            // fill drawable only supported on api level 18 and above
            Drawable drawable = ContextCompat.getDrawable(this, R.drawable.fade_red);
            set1.setFillDrawable(drawable);
        } else {
            set1.setFillColor(Color.BLACK);
        }
        ArrayList<ILineDataSet> dataSets = new ArrayList<ILineDataSet>();
        // add the datasets
        dataSets.add(set1);
        // create a data object with the datasets
        LineData data = new LineData(dataSets);
        // set data
        mChart.setData(data);
    }
}

Example 27 with LineDataSet

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

the class LineChartActivity2 method setData.

private void setData(int count, float range) {
    ArrayList<Entry> yVals1 = new ArrayList<Entry>();
    for (int i = 0; i < count; i++) {
        float mult = range / 2f;
        float val = (float) (Math.random() * mult) + 50;
        yVals1.add(new Entry(i, val));
    }
    ArrayList<Entry> yVals2 = new ArrayList<Entry>();
    for (int i = 0; i < count - 1; i++) {
        float mult = range;
        float val = (float) (Math.random() * mult) + 450;
        yVals2.add(new Entry(i, val));
    //            if(i == 10) {
    //                yVals2.add(new Entry(i, val + 50));
    //            }
    }
    ArrayList<Entry> yVals3 = new ArrayList<Entry>();
    for (int i = 0; i < count; i++) {
        float mult = range;
        float val = (float) (Math.random() * mult) + 500;
        yVals3.add(new Entry(i, val));
    }
    LineDataSet set1, set2, set3;
    if (mChart.getData() != null && mChart.getData().getDataSetCount() > 0) {
        set1 = (LineDataSet) mChart.getData().getDataSetByIndex(0);
        set2 = (LineDataSet) mChart.getData().getDataSetByIndex(1);
        set3 = (LineDataSet) mChart.getData().getDataSetByIndex(2);
        set1.setValues(yVals1);
        set2.setValues(yVals2);
        set3.setValues(yVals3);
        mChart.getData().notifyDataChanged();
        mChart.notifyDataSetChanged();
    } else {
        // create a dataset and give it a type
        set1 = new LineDataSet(yVals1, "DataSet 1");
        set1.setAxisDependency(AxisDependency.LEFT);
        set1.setColor(ColorTemplate.getHoloBlue());
        set1.setCircleColor(Color.WHITE);
        set1.setLineWidth(2f);
        set1.setCircleRadius(3f);
        set1.setFillAlpha(65);
        set1.setFillColor(ColorTemplate.getHoloBlue());
        set1.setHighLightColor(Color.rgb(244, 117, 117));
        set1.setDrawCircleHole(false);
        //set1.setFillFormatter(new MyFillFormatter(0f));
        //set1.setDrawHorizontalHighlightIndicator(false);
        //set1.setVisible(false);
        //set1.setCircleHoleColor(Color.WHITE);
        // create a dataset and give it a type
        set2 = new LineDataSet(yVals2, "DataSet 2");
        set2.setAxisDependency(AxisDependency.RIGHT);
        set2.setColor(Color.RED);
        set2.setCircleColor(Color.WHITE);
        set2.setLineWidth(2f);
        set2.setCircleRadius(3f);
        set2.setFillAlpha(65);
        set2.setFillColor(Color.RED);
        set2.setDrawCircleHole(false);
        set2.setHighLightColor(Color.rgb(244, 117, 117));
        //set2.setFillFormatter(new MyFillFormatter(900f));
        set3 = new LineDataSet(yVals3, "DataSet 3");
        set3.setAxisDependency(AxisDependency.RIGHT);
        set3.setColor(Color.YELLOW);
        set3.setCircleColor(Color.WHITE);
        set3.setLineWidth(2f);
        set3.setCircleRadius(3f);
        set3.setFillAlpha(65);
        set3.setFillColor(ColorTemplate.colorWithAlpha(Color.YELLOW, 200));
        set3.setDrawCircleHole(false);
        set3.setHighLightColor(Color.rgb(244, 117, 117));
        // create a data object with the datasets
        LineData data = new LineData(set1, set2, set3);
        data.setValueTextColor(Color.WHITE);
        data.setValueTextSize(9f);
        // set data
        mChart.setData(data);
    }
}

Example 28 with LineDataSet

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

the class LineChartActivityColored method setupChart.

private void setupChart(LineChart chart, LineData data, int color) {
    ((LineDataSet) data.getDataSetByIndex(0)).setCircleColorHole(color);
    // no description text
    chart.getDescription().setEnabled(false);
    // mChart.setDrawHorizontalGrid(false);
    //
    // enable / disable grid background
    chart.setDrawGridBackground(false);
    //        chart.getRenderer().getGridPaint().setGridColor(Color.WHITE & 0x70FFFFFF);
    // enable touch gestures
    chart.setTouchEnabled(true);
    // enable scaling and dragging
    chart.setDragEnabled(true);
    chart.setScaleEnabled(true);
    // if disabled, scaling can be done on x- and y-axis separately
    chart.setPinchZoom(false);
    chart.setBackgroundColor(color);
    // set custom chart offsets (automatic offset calculation is hereby disabled)
    chart.setViewPortOffsets(10, 0, 10, 0);
    // add data
    chart.setData(data);
    // get the legend (only possible after setting data)
    Legend l = chart.getLegend();
    l.setEnabled(false);
    chart.getAxisLeft().setEnabled(false);
    chart.getAxisLeft().setSpaceTop(40);
    chart.getAxisLeft().setSpaceBottom(40);
    chart.getAxisRight().setEnabled(false);
    chart.getXAxis().setEnabled(false);
    // animate calls invalidate()...
    chart.animateX(2500);
}

Example 29 with LineDataSet

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

the class GraphsFragment method loadSnowChart.

public void loadSnowChart() {
    snowChart.setDrawGridBackground(false);
    snowChart.setBackgroundColor(Color.BLACK);
    snowChart.setTouchEnabled(true);
    snowChart.setDragEnabled(true);
    snowChart.setMaxHighlightDistance(300);
    snowChart.setPinchZoom(true);
    snowChart.setPadding(2, 2, 2, 2);
    snowChart.getLegend().setEnabled(true);
    snowChart.getLegend().setTextColor(Color.WHITE);
    YAxis yAxisRight = snowChart.getAxisRight();
    yAxisRight.setDrawGridLines(false);
    yAxisRight.setDrawAxisLine(false);
    yAxisRight.setDrawLabels(false);
    yAxisRight.setTextColor(Color.WHITE);
    yAxisRight.enableAxisLineDashedLine(2f, 4f, 2f);
    YAxis yAxisLeft = snowChart.getAxisLeft();
    yAxisLeft.setTextColor(Color.WHITE);
    XAxis x = snowChart.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 (snowChart.getData() != null) {
        snowChart.getData().removeDataSet(snowChart.getData().getDataSetByIndex(snowChart.getData().getDataSetCount() - 1));
        snowChart.getLegend().setTextColor(Color.parseColor("#FFFFFF"));
    }
    set = new LineDataSet(snowEntries, getString(R.string.g_snow));
    set.setMode(LineDataSet.Mode.HORIZONTAL_BEZIER);
    set.setCubicIntensity(0.2f);
    set.setDrawCircles(false);
    set.setLineWidth(2f);
    set.setDrawValues(false);
    set.setValueTextSize(10f);
    set.setColor(Color.YELLOW);
    set.setHighlightEnabled(false);
    set.setValueFormatter(mValueFormatter);
    LineData data = new LineData(set);
    snowChart.setData(data);
    snowChart.invalidate();
}

Example 30 with LineDataSet

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

the class GraphsFragment method loadWindChart.

public void loadWindChart() {
    windChart.setDrawGridBackground(false);
    windChart.setBackgroundColor(Color.BLACK);
    windChart.setTouchEnabled(true);
    windChart.setDragEnabled(true);
    windChart.setMaxHighlightDistance(300);
    windChart.setPinchZoom(true);
    windChart.setPadding(2, 2, 2, 2);
    windChart.getLegend().setEnabled(true);
    windChart.getLegend().setTextColor(Color.WHITE);
    YAxis yAxisRight = windChart.getAxisRight();
    yAxisRight.setDrawGridLines(false);
    yAxisRight.setDrawAxisLine(false);
    yAxisRight.setDrawLabels(false);
    yAxisRight.setTextColor(Color.WHITE);
    yAxisRight.enableAxisLineDashedLine(2f, 4f, 2f);
    YAxis yAxisLeft = windChart.getAxisLeft();
    yAxisLeft.setTextColor(Color.WHITE);
    XAxis x = windChart.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 (windChart.getData() != null) {
        windChart.getData().removeDataSet(windChart.getData().getDataSetByIndex(windChart.getData().getDataSetCount() - 1));
        windChart.getLegend().setTextColor(Color.parseColor("#FFFFFF"));
    }
    String wind = String.format(Locale.ENGLISH, getString(R.string.g_wind), pf.getUnits().equals("metric") ? getString(R.string.mps) : getString(R.string.mph));
    set = new LineDataSet(windEntries, wind);
    set.setMode(LineDataSet.Mode.HORIZONTAL_BEZIER);
    set.setCubicIntensity(0.2f);
    set.setDrawCircles(false);
    set.setLineWidth(2f);
    set.setDrawValues(false);
    set.setValueTextSize(10f);
    set.setColor(Color.RED);
    set.setHighlightEnabled(false);
    set.setValueFormatter(mValueFormatter);
    LineData data = new LineData(set);
    windChart.setData(data);
    windChart.invalidate();
}