Refresh Indicator - Flutter Widget of the Day #4 

Day 4 - We are going to explore the Refresh Indicator widget in Flutter
RefreshIndicator is used to update the data in the app. RefreshIndicator will trigger a refresh when the list is over-scrolled. It is showing a circular progress indicator if you want something to happen, add a callback function with the onRefrence property.
Learn more about Refresh Indicator - api.flutter.de...