Android Setup Custom Appbar (Action bar) and Toolbar
Android Expand/Show Toolbar/AppBar Hidden by Scroll
Android Change Toolbar Title Text Color Programatically
Android Hide Appbar/Toolbar When Scroll Down
Android Toolbar Update Scroll Flags Programatically
Android Toolbar Change Navigation/Back Icon/homeAsUpIndicator (Maintain Click Effect)

Restore original back arrow icon on toolbar

Disable Toolbar Menu Item and Grey Out Icon
Android Add Toolbar to DialogFragment

Toolbar inflate menu, handle back button and menu click without Activity