Analog layout RelativeLaout, TextView in Android_Studio 3.6.1 (instead of the outdated 2.3)?

Good day, dear friends!
Began to study Idroidsmania the book.
Tell me, please, counterparts RelativeLayout and TextView in version 3.6.1 instead of version 2.3, which is training in the book.
Thanks in advance!
April 19th 20 at 12:24
1 answer
April 19th 20 at 12:26
shta? why do counterparts if they are there, and so it is not going away? 5e9906a9e8c51975512682.png

no idea what are you guys looking at and why, but I seriously doubt that the problems with the book or "Idroidsmania ".

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