This is a project with some interfaces do input mainly numerical data on android.
It first contains a DatePicker and a TimePicker that helps to fasten the input of these values on Android.
I’ve seen many of them and choose the format based on simplicity and ease to use.
The design of the TimePicker was based on BussinessCalendar (https://play.google.com/store/apps/details?id=mikado.bizcalpro) time picker.
Actually, the code only supports 24h time format and European (dd/MM/YYYY) date format for simplicity.
It was tested with SDK 10 and should work with earlier versions ;-)