Android Code example showing Fragment based navigation with support for back button and responsive layouts

Since the project files are still checked in (not a good practice!) you should be able to open this right away into Android Studio.

• don't check in .idea folders and include instructions on how to check out this project and import into AS
• demonstrate responsive layouts
• add split b actionbar
• more info on fragment backstack handling
• implement proper up vs back navigation
• replace remaining deprecated methods
• ...

Each version was tagged on the git project.

• upgraded to androidx branches
• upgraded to min api level 17, compiler to api 29
• upgraded gradle
• upgraded aboutlibraries to new source
• gradle update

• buildconfig example
• added about fragment with open source library listing
• upgraded to min api level 11
• gradle update
• added support navigation drawer
• linked to this app from https://github.com/hanscappelle/menu-drawer-compat-example

Initial release with fragment switching and back button support.

• fix back button