Development Work

A Custom Android class to handle most of the data connectivity hurdles, best suitable for JSON.
link: POSTCONNECTION Repository or Library Repository

Validation CLASS
If you wish you could apply same HTML5 AutoValidation on to your Android form, then this class is best suitable for this role. Just define the input type for each element and pass the root element to this and leave the rest.
link: Android-Auto-Validation Repository or Library Repository