Separate phone number, birth date, and SSN into separate edittexts. Add TextWatchers to edittexts to enable automatic changes in focus. Change scope of class variables to private.
Add strings for separated phone number, birth date, and SSN edittexts. Add dimension for spacing.
Add minor note to javadocs.
Update account registration page to include the new EditTexts and layouts.
Create custom TextWatcher to handle automatic focus changes between relevant EditTexts.