How to expand a row cell smoothly with a custom view in SwiftUI List?

Question

I am trying to expand a row cell (which is a custom view) on tap gesture. The cell height has to be increased and a button is being moved in the expanded area. But I get the

Answer 1

Just use animatable modifier from this my solution

Tested with Xcode 11.4 / iOS 13.4

ZStack {
 // .. other your code here
}
.modifier(AnimatingCellHeight(height: self.isExpanded ? 120 : 200))