A simple android project setup so that simple back button functionality and navigation are working out of the box and nicely abstracted into Base classes.
Here is a demo of the working product: https://youtu.be/ANpBWIT3vlU
Here is an article explaining the project: https://medium.com/@nickskelton/linking-the-navigation-drawer-back-button-and-action-button-indicator-b90d148e7aab#.x0jmgn77nUp
A simple place to start when you want an app with a Toolbar, Navigation Drawer and correct back stack handling.