Stack doesn't work inside Column - Flutter

Question

Hope u all doing well. I have a problem with Stack and Column. When I want to use Stack inside Column's children, it doesn't work, anymore. here are 2 photos regarding my problem.

Not working:

Working:

Answer 1

Since column and stack will take up the screen size. To be able to use both together, you need to give the contents a certain height or need to be wrapped with expanded

column(
   children[
  container(height:100 child:stack..... //container or expanded
   ])