[Refactor] Refactor the UI packages according to their function

[huangyz0918]

Problem description

This is a refactor work related to the views.

Why we need this refactor

• Since we will add the bluetooth as the secondary method next step, we need to build more lists, building more similar adapters is not a good idea.
• Our application has many similar list/recycler views, we don't need so many adapters actually, we can build our own view types or using some open source multiple-types lib like MultiType.

I think both Activity and Fragment are actually View objects, including RecyclerView’s Adapter, so I want to tidy them up a bit. Like putting them in a ui package, that will make the code structure clearer, and this step is necessary if we are going to use the MVVM structure or MVP in the future.

Expected behavior

Simplify the adapter code to make it easier to update the UI next.

Other information

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