Question d’entretien chez Scalable Capital

1) Android lifecycle; 2) Things worth saving in onSaveInstanceState; 3) RxJava's Observable/Flowable/Maybe/Single; 4) RxJava operators; 5) view draw cycle; 6) ways to implement custom views; 7) drawing optimization; 8) ContraintLayout; 9) REST/SOAP/GraphQL.