Android Developer is for those who want to know how to use android components.
Android Developer explains every kind of components including Basic, Advance and also third party libraries.
=> Basic Section contains components like TextView, EditText, Buttons, TextInputLayout, Chronometer, etc
=> Advance Section contains RecyclerView, Notifications, Expandable ListView, SQLIte, Animations, etc.
=> Library Section constains Material SearchView, Floating Menu, Expandable Recycler View, Runtime Permission, etc.
User can view the source code of every examples. Example are explained using comment block.
To run the example simple click on any example and select run from the popup menu.
and for source code click on Source Code from the popup menu.
More Examples will be available in these app in the Next Update.
Android Developer contains only Example with Source Code But if looking for Theory knowledge then download = Developer Room
Search Developer Room on Play Store, OR
Click on the below link:-
https://play.google.com/store/apps/details?id=com.myclassroom.myclassroom