build method Null safety Describes the part of the user interface represented by this widget . The framework calls this method when this widget is inserted into the tree in a given BuildContext and when the dependencies of this widget change (e.g., an InheritedWidget referenced by this widget changes).
Read moreHow many types of builders are there in Flutter?
Flutter Design Patterns: 18 — Builder.
Read moreWhat is the use of builder widget in Flutter?
A builder function is a Flutter design pattern in which widgets provide a callback interface to the widget tree with dynamic (often layout-specific) parameters .
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 .
Read moreWhat is itemCount flutter?
int itemCount. The number of items in the list . It must be a non-negative integer. When zero, nothing is displayed and the widget occupies no space.
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