title: Get Value From a Listview.builder, then submit that value on another statefeul widget? flutter
body: <p>Hi May i ask a question on how code a function that will get a value from a listview.builder and then forward it to the second screen, </p>
  
  <p>Example</p>
  
  <p>from the picture below,
  E.g Selected Item 2 then there should be a button on the bottom where it says submit and on the next screen , it should say that item in the middle of the screen?
  and it should be one item only not multi selection, </p>
  
  <p>help me out please, been scratching my head, i understood how the dropdown code work to use setstate and all but i cant figure it to work on listview.builder</p>
  
  <p><img src="https://i.stack.imgur.com/TvZFV.png" alt="screenshot"></p>