Adopting the Action Bar
The previous chapter introduced the traditional notion of menus, giving you some common understanding across all Android versions of how a traditional menu would work. Starting with traditional menus has also set you up to take the next logical step into Android’s (relatively) new and more advanced approach to menu-like interaction with users: The Action Bar.
The Action Bar works to incorporate the most intuitive menu options that users might wish to use at a given point in time, together with a standard set of navigation and option elements to bring consistency across Android devices of all sizes and types. Your users will not need to worry about screen size, layout, or where to find the most obvious actions ...