Callback functions in Flutter
Callback functions in Flutter :
In this video you will get brief introduction about call back functions in flutter
these are two types : 1. VoidCallBack function
2.ValueSetter function
VoidCallBack Function: by using this callback we able to get the button triggering response but in this CallBack we are unable to pass the data.
ValueSetter Function: by using this function we are able to pass any type of data thought this CallBack