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AndroidX AppCompat already depends on it, ktx is a fancy addition
Updated Creating and Using Fragments (markdown)
Update to AndroidX
"fill_parent" is deprecated. Use "match_parent".
getRegisteredFragment() is not an official api - found a custom implementation of it in a StackOverflow post
The onViewCreated() should call his super method.
Revert 982355273cbd0bcca0b92ae95a29e23f8245d16f...3d9085cf81b97ea5e215ce2741ed55a1a5567488 on Creating and Using Fragments
A very important tip for fragment transaction.
Include example onDetach code which nulls out the listener to prevent memory leaks
Fixing typo
Update fragments to use latest onAttach method
I have replaced http://developer.android.com/images/fragment_lifecycle.png with https://github.com/xxv/android-lifecycle. The github linke has much more detailed information on Activity/Fragment lifecycle
Replace FragmentActivity with AppCompatActivity