15 The App Bar
A key component of any well-designed Android app is the app bar. The app bar presents actions that the user can take, provides an additional mechanism for navigation, and also offers design consistency and branding.
In this chapter, you will add a menu option to the app bar that lets users add a new crime (Figure 15.1).
Figure 15.1 CriminalIntent’s app bar
The app bar is often referred to as either the action bar or toolbar, depending on who you ask. You will learn more about these overlapping terms in the section called For the More Curious: App Bar vs Action Bar vs Toolbar near the end of this chapter. ...
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