- Use package names .ui.tablet, .ui.phone, .ui.widget accordingly
- Use package .provider for classes related to content provider
- Use prefix activity, fragment for layout files accordingly
- Use same name for id and text of views in layout files
- Use postfix Activity, Fragment in pacakge .ui and Contract, Provider, Database in package .provider
- Use prefix m for class fields (to indicate that is a member of the class - no need to use this anymore)