How to layout android ui?

Question

Android

Good afternoon!
I started to study android and ran into problems with the implementation of ui. Tell me, please, how such interfaces are laid out:

Is all this done using standard layout tools? Perhaps there are some materials, open-source projects that you can pick up and understand the basic principles of layout?

Answer 1

Good OpenSource project: https://github.com/nickbutcher/plaid/
Lots of specific goodies in Support, AppCompat, Design Librariries.

Answer 2

Everything can be made standard, except maybe a donut chart, there is nothing complicated in the layout, for example, the chart legend (completed - snoozed - overdue) is a regular horizontal LinearLayout, standard widgets are flexible enough to "customize" the design.

Answer 3

Look here:
awesome-android-ui