How to implement a list of tables like google inbox ios app?

Question

There is a feature in the Google inbox app when you select a cell that the table will expand and insert a subscription table view. A candlestick may also have a sublist. How to implement this function using tableview view, collection view or custom view?

Answer 1

there are already some good implementations like:

http://jackkwok.imtqy.com/JKExpandTableView/

https://github.com/OliverLetterer/SLExpandableTableView