Examples with ILineDataSet com.github.mikephil.charting.interfaces.datasets.ILineDataSet used on opensource projects

Example 6 with ILineDataSet

use of com.github.mikephil.charting.interfaces.datasets.ILineDataSet 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 7 with ILineDataSet

use of com.github.mikephil.charting.interfaces.datasets.ILineDataSet 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);
}

Example 8 with ILineDataSet

use of com.github.mikephil.charting.interfaces.datasets.ILineDataSet in project MPAndroidChart by PhilJay.

the class DynamicalAddingActivity method removeLastEntry.

private void removeLastEntry() {
    LineData data = mChart.getData();
    if (data != null) {
        ILineDataSet set = data.getDataSetByIndex(0);
        if (set != null) {
            Entry e = set.getEntryForXValue(set.getEntryCount() - 1, Float.NaN);
            data.removeEntry(e, 0);
            // or remove by index
            // mData.removeEntryByXValue(xIndex, dataSetIndex);
            data.notifyDataChanged();
            mChart.notifyDataSetChanged();
            mChart.invalidate();
        }
    }
}

Example 9 with ILineDataSet

use of com.github.mikephil.charting.interfaces.datasets.ILineDataSet in project MPAndroidChart by PhilJay.

the class FilledLineActivity method setData.

private void setData(int count, float range) {
    ArrayList<Entry> yVals1 = new ArrayList<Entry>();
    for (int i = 0; i < count; i++) {
        // + (float)
        float val = (float) (Math.random() * range) + 50;
        // ((mult *
        // 0.1) / 10);
        yVals1.add(new Entry(i, val));
    }
    ArrayList<Entry> yVals2 = new ArrayList<Entry>();
    for (int i = 0; i < count; i++) {
        // + (float)
        float val = (float) (Math.random() * range) + 450;
        // ((mult *
        // 0.1) / 10);
        yVals2.add(new Entry(i, val));
    }
    LineDataSet set1, set2;
    if (mChart.getData() != null && mChart.getData().getDataSetCount() > 0) {
        set1 = (LineDataSet) mChart.getData().getDataSetByIndex(0);
        set2 = (LineDataSet) mChart.getData().getDataSetByIndex(1);
        set1.setValues(yVals1);
        set2.setValues(yVals2);
        mChart.getData().notifyDataChanged();
        mChart.notifyDataSetChanged();
    } else {
        // create a dataset and give it a type
        set1 = new LineDataSet(yVals1, "DataSet 1");
        set1.setAxisDependency(YAxis.AxisDependency.LEFT);
        set1.setColor(Color.rgb(255, 241, 46));
        set1.setDrawCircles(false);
        set1.setLineWidth(2f);
        set1.setCircleRadius(3f);
        set1.setFillAlpha(255);
        set1.setDrawFilled(true);
        set1.setFillColor(Color.WHITE);
        set1.setHighLightColor(Color.rgb(244, 117, 117));
        set1.setDrawCircleHole(false);
        set1.setFillFormatter(new IFillFormatter() {

            @Override
            public float getFillLinePosition(ILineDataSet dataSet, LineDataProvider dataProvider) {
                return mChart.getAxisLeft().getAxisMinimum();
            }
        });
        // create a dataset and give it a type
        set2 = new LineDataSet(yVals2, "DataSet 2");
        set2.setAxisDependency(YAxis.AxisDependency.LEFT);
        set2.setColor(Color.rgb(255, 241, 46));
        set2.setDrawCircles(false);
        set2.setLineWidth(2f);
        set2.setCircleRadius(3f);
        set2.setFillAlpha(255);
        set2.setDrawFilled(true);
        set2.setFillColor(Color.WHITE);
        set2.setDrawCircleHole(false);
        set2.setHighLightColor(Color.rgb(244, 117, 117));
        set2.setFillFormatter(new IFillFormatter() {

            @Override
            public float getFillLinePosition(ILineDataSet dataSet, LineDataProvider dataProvider) {
                return mChart.getAxisLeft().getAxisMaximum();
            }
        });
        ArrayList<ILineDataSet> dataSets = new ArrayList<ILineDataSet>();
        // add the datasets
        dataSets.add(set1);
        dataSets.add(set2);
        // create a data object with the datasets
        LineData data = new LineData(dataSets);
        data.setDrawValues(false);
        // set data
        mChart.setData(data);
    }
}

Example 10 with ILineDataSet

use of com.github.mikephil.charting.interfaces.datasets.ILineDataSet in project MPAndroidChart by PhilJay.

the class MultiLineChartActivity method onProgressChanged.

@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
    mChart.resetTracking();
    tvX.setText("" + (mSeekBarX.getProgress()));
    tvY.setText("" + (mSeekBarY.getProgress()));
    ArrayList<ILineDataSet> dataSets = new ArrayList<ILineDataSet>();
    for (int z = 0; z < 3; z++) {
        ArrayList<Entry> values = new ArrayList<Entry>();
        for (int i = 0; i < mSeekBarX.getProgress(); i++) {
            double val = (Math.random() * mSeekBarY.getProgress()) + 3;
            values.add(new Entry(i, (float) val));
        }
        LineDataSet d = new LineDataSet(values, "DataSet " + (z + 1));
        d.setLineWidth(2.5f);
        d.setCircleRadius(4f);
        int color = mColors[z % mColors.length];
        d.setColor(color);
        d.setCircleColor(color);
        dataSets.add(d);
    }
    // make the first DataSet dashed
    ((LineDataSet) dataSets.get(0)).enableDashedLine(10, 10, 0);
    ((LineDataSet) dataSets.get(0)).setColors(ColorTemplate.VORDIPLOM_COLORS);
    ((LineDataSet) dataSets.get(0)).setCircleColors(ColorTemplate.VORDIPLOM_COLORS);
    LineData data = new LineData(dataSets);
    mChart.setData(data);
    mChart.invalidate();
}