The ios-charts framework says to use the "android" documentation. However it turns out that there is enough difference in the properties each framework uses that it can be frustrating to learn how to use the ios-charts library. Here is a quick reference.
Android: Simple Formatter
// usage on axis, could also use on data object or dataset yAxis.setValueFormatter(new MyValueFormatter());
iOS: Simple Formatter
var myValueFormatter = NSNumberFormatter() // normal value formatter configuration myValueFormatter.numberStyle = . . . .
September 17, 2015