Please post .Java files and .XML files

A welcome screen (splash screen) with your app name and a picture. You should then move to a screen that asks the user for either to log in or to register. . If the user clicks to register then show a registration page with fields for at least first name, family name, date of birth, email, and a password. Validate that the entered data is not empty. . Check that the entered data is correct (such as email validation, first name should at least 3 char and not more than 30) If registration is successful return to the previous screen. Enable login (it doesn't have to be linked to a database at this stage) . You need to add comments to your code (Java and XML). . You need to have a nice design. Make sure that you test your app at least on two different devices (phone and tablet) and for portrait and landscape modes