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Android Android Lists and Adapters (2015) Custom ListViews getView() and the ViewHolder Pattern

Scott Junner
Scott Junner
9,010 Points

What is the ViewGroup root needed for?

In the video, mention is made of null in ...inflate(R.layout.daily_list_item, null); representing a ViewGroup root and is not needed in this situation.

What situation IS it needed for?

In Docs it says "Optional view to be the parent of the generated hierarchy." but I don't quite understand what that means. Someone paint a picture for me.