First step (part 6)

It was done! In the end, I understood why getters and setters are needed. And also, that the auxiliary class logic should be passed to the onCreate method! :) I used to try to write all the work with the database in getter!

First step (part 5)

So, I'm stuck in the refactoring process. :)

First step (part 4)

Today, I started refactoring. Now I understand why everyone is strongly advised to write the code correctly from the beginning. Hurry does not lead to anything good!
It's good that I wrote so little code. I hope I can manage for a couple of days.