Android Question How to create Expandable layout ?

If there is no ready to use library in B4A - what I suppose - then you have to do it by your own code. But this will not be a very difficult thing. I would start with a scrollview, put some panels inside and play around with the size. A starting point can be the scroll-view-example-summary from Klaus. at the bottom you will find an example from thedesolatesoul which goes in your direction...
https://www.b4x.com/android/forum/threads/scrollview-examples-summary.8423/
https://www.b4x.com/android/forum/threads/custom-expandable-listview.15986/

Here: https://www.b4x.com/android/forum/threads/expandle-list-based-on-customlistview.81445/

Erel said:

Here: https://www.b4x.com/android/forum/threads/expandle-list-based-on-customlistview.81445/

Click to expand...

Thanks Erel. This is better than I could imagine.