text gone when last partition is of zero percent

[rathoddeep]

data1.add(new ChartData("40%", 40, Color.WHITE, Color.parseColor("#33691E")));
data1.add(new ChartData("40%", 40, Color.WHITE, Color.parseColor("#f42e48")));
data1.add(new ChartData("20%", 20, Color.WHITE, Color.parseColor("#FFD600")));
data1.add(new ChartData("0%", 0, Color.WHITE, Color.parseColor("#C3C3C3")));