custom view
https://habrahabr.ru/company/efs/blog/340998/
https://developer.android.com/reference/android/widget/StackView.html
LayoutManager also can do it
I had 10 Android interviews during the last two years, here’s the questions plus some lessons I’ve learned
https://habrahabr.ru/company/itinvest/blog/339740/
www.interviewbit.com [https://www.interviewbit.com/]
https://habrahabr.ru/company/spice/blog/346424/
https://habrahabr.ru/company/spice/blog/347056/ (Adobe questions)
https://habrahabr.ru/company/spice/blog/348122/ (Amazon)
https://habrahabr.ru/company/spice/blog/348746/ (Samsung)
https://habrahabr.ru/company/spice/blog/350788/ (DELL)
https://habrahabr.ru/company/spice/blog/352454/ (google)
https://habr.com/company/spice/blog/353952/ (Amazon)
https://habr.com/company/spice/blog/358064/
https://habr.com/company/spice/blog/358918/
https://habr.com/company/spice/blog/413571/
tasks from Uber (pdf)
programmers tasks https://tproger.ru/category/problems/
Android question (http://startandroid.ru/ru/blog/538-voprosy-i-zadachi-na-sobesedovanie-android-razrabotchika.html)
overriding @Module
classes with Dagger 2 [in tests]
ActivityTestRule, Building Instrumented Unit Tests, JUnit4 Rules with Testing Support Library, Testing Support Library, Getting Started with Testing
Example: