Android – Can’t draw donut like pie chart using MPAndroidChart

androidmpandroidchartpie-chart

I am using MPAndroidChart and I am trying to create a pie chart that looks like a donut using mpandroidchart lib, but somehow i am unable to do that.
Below is my code-

ArrayList<Entry> entries = new ArrayList<>();
        entries.add(new Entry((float) 20.0, 0));
        entries.add(new Entry((float) 30.0, 1));

        int colors[] = {Color.parseColor("#DCDEE0"),Color.parseColor("#466A80"),Color.parseColor("#0078CA"),Color.parseColor("#5BC2E7"),Color.parseColor("#99E4FF")};
        PieDataSet dataset = new PieDataSet(entries, "# of Calls");
        dataset.setColors(colors);
        dataset.setSliceSpace(3f);
        ArrayList<String> labels = new ArrayList<String>();
        labels.add("January"); 
        labels.add("February"); 
    /*  labels.add("March"); 
        labels.add("April"); 
        labels.add("May");
        labels.add("June");*/

        PieChart chart1 = new PieChart(this);
        chart1.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, 0.5f));
        chart1.setHoleRadius(60f);
        chart1.setHoleColorTransparent(false);
        chart1.setDrawHoleEnabled(true);
        chart1.setUsePercentValues(true);
        chart1.setHoleColor(Color.WHITE);
        PieChart chart2 = new PieChart(this);
        chart2.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, 0.5f));
        LinearLayout chart = (LinearLayout)findViewById(R.id.chart);
        chart.addView(chart1);
        chart.addView(chart2);

        PieData data = new PieData(labels, dataset);
        chart1.setData(data);
        chart2.setData(data);

I am able to draw pie chart but can't make it look like a donut.Please refer the attached screen shot. Can someone please help.

enter image description here

Best Answer

This is a known issue that has been fixed in the latest commit. https://github.com/PhilJay/MPAndroidChart/issues/527

The v2.1.0 of the library that will contain the fix should be out within the next week!

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