The GetX Controller class controls the state of the UI when you wrap an individual widget with its Observer so that it only rebuilds when there is a change in the state of that particular widget .
Read moreWhat is widget build?
A widget’s main job is to implement a build() function, which describes the widget in terms of other, lower-level widgets . The framework builds those widgets in turn until the process bottoms out in widgets that represent the underlying RenderObject , which computes and describes the geometry of the widget.
Read moreWhat is Flutter FutureBuilder?
Sometimes, you may want to build a Flutter widget which depends on the result of a Future . In that case, you can use FutureBuilder . FutureBuilder is a widget that uses the result of a Future to build itself . Below are the examples of how to use the widget.
Read moreHow do you use FutureBuilder in Flutter?
Flutter – FutureBuilder Widget
Read moreHow do you refresh FutureBuilder?
You can refresh the widget by clicking on FlatButton .
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