why UML is showing Android Adapter interface has a View and a ViewGroup

Question

Any anyone tell me why UML is showing Android Adapter interface has a View and a ViewGroup

i am using UML diagram auto generation with Intellij IDEA and i am looking at Android API 14

Answer 1

If you take a look at the Android Adapter Documentation you'll see that...

An Adapter object acts as a bridge between an AdapterView and the underlying data for that view. The Adapter provides access to the data items. The Adapter is also responsible for making a View for each item in the data set.

And so...

why UML is showing Android Adapter interface has a View and a ViewGroup[?]

The obvious answer is because it does. A more direct answer is because the UML is showing the relationships. I imagine it's a matter of your UML settings. In reality you could show it all the way back to Object , however your UML diagrams should show only important information.