uml - How to draw a class diagram from different not too strong relationship class(Android Studio - Java)?

Question

As the title shows, I have a confusing about drawing class diagram.

At this project, I used a few class to implement a simple app. However, these classes have not too strong connection. At the colleague, I learned to draw some simple class diagram, like this. It's different from my Android project.

How could I draw the class diagram at this situation? Help me, plz!!!

question from:https://stackoverflow.com/questions/65599523/how-to-draw-a-class-diagram-from-different-not-too-strong-relationship-classand

Answer 1

Waitting for answers