title: How to fixed element in react native
body: <p>I have a flatlist that shows my restaurant foods. and I have a buy basket that shows the count and total cost of foods. Now I want to know how can I fixed the position of the basket buy on the flat list.</p>
  
  <p>Note: The buy basket on the flat list is a little icon that shows the count and total cost of foods.</p>
  
  <p>Thanks advance.</p>