Is there any extension to display a json or a dictionary in a read-only tree view?

[ABG]

Firebase navigation in app

So after surveying work that I did in the past and forgot about till now, here's some ideas on the kind of data structure you would need if you wanted to do this in a ListView with expandable and collapsible subtrees. Keep two parallel lists: A table of paths (lists of indexes or keys) and values or value summaries matching the ListView Elements, enough to remember how you got to that Element and whether or not it is open [-] or closed [+] (You can use arrows too if you can find the Unicode…

This is as far as I have gotten on this problem.

I don't have a complete solution yet.

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