App bars: top - Material Design
Floating Action Button (FAB) in Android with Example - GeeksforGeeks
Adding a Second Toolbar - Xamarin | Microsoft Docs
android - Contextual Action Bar: Done button - Stack Overflow
Better User Interfaces with the Android Action Bar - SitePoint
How to Add an Up Button to the AppBar - Android Studio Tutorial - YouTube
App bars: bottom - Material Design
How to add a Bottom Navigation Bar in Android | by Suragch | Medium
How to add back button to action bar in Android - YouTube
java - Add buttons to the Activity Bar - Stack Overflow
Floating Action Button (FAB) in Android with Example - GeeksforGeeks
java - Is there an easy way to add a button to the action bar for a child activity? - Stack Overflow
Add a Back Button to Action Bar Android Studio (Kotlin)
Add and handle actions | Android Developers
How to Add a Floating Action Button to Bottom Navigation Bar in Android? - GeeksforGeeks
Android ActionBar Example Tutorial | DigitalOcean
android - Add back button to action bar - Stack Overflow
android - How to add an customized button on the actionbar? - Stack Overflow
Add the app bar | Android Developers
Replacing the Action Bar - Xamarin | Microsoft Docs
Extended ActionBar Guide | CodePath Android Cliffnotes
2/4 How to add buttons to action bar Android Studio - YouTube
Bottom App Bar. How to start | by Robert Levonyan | AndroidPub | Medium
Show Hide ActionBar in android programmatically on button click - Android Examples
Action Bar | Android Developers
