Examples with LineDataProvider com.github.mikephil.charting.interfaces.dataprovider.LineDataProvider used on opensource projects

Example 1 with LineDataProvider

use of com.github.mikephil.charting.interfaces.dataprovider.LineDataProvider 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 2 with LineDataProvider

use of com.github.mikephil.charting.interfaces.dataprovider.LineDataProvider 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);
    }
}