Up Button not covered

[jpaone]

I concur. There are a number of features that were removed between editions. With regards to the CriminalIntent app

CriminalIntent 3e -> 4K Changelog

I didn’t take a listing by listing set of notes for changes, but did note some high level feature differences: Additions Ch. 11 - Room API added on top of SQLite Database Modifications Ch. 12 - single activity structure. The 3rd Edition had the CrimeListFragment hosted in one fragment and the CrimePagerFragment/CrimeDetailFragment hosted in a second fragment. The two activities maintained the back stack after the explicit intent. The 4th Edition refactors this structure to have just a s…