The widget tree is how developers create their user interface; developers position widgets within each other to build simple and complex layouts . Since just about everything in the Flutter framework is a widget, and as they start nesting them, the code can become harder to follow.
Read moreWhat is a widget tree?
The widget tree is how developers create their user interface; developers position widgets within each other to build simple and complex layouts . Since just about everything in the Flutter framework is a widget, and as they start nesting them, the code can become harder to follow.
Read moreWhen should I use keys Flutter widgets 101?
Flutter commonly uses keys when it needs to uniquely identify specific widgets within a collection . Using keys also helps Flutter preserve the state of StatefulWidget s while they’re being replaced with other widgets or just moved in the widget tree.
Read moreWhy do we need widgets in Flutter?
Flutter widgets are built using a modern framework that takes inspiration from React. The central idea is that you build your UI out of widgets. Widgets describe what their view should look like given their current configuration and state .
Read moreHow do you pass a parameter to a route?
Passing parameters to routes
Read moreHow do you pass arguments with pushNamed Flutter?
To use push with a named route, use RouteSettings argument with the route name . Directly inside Page1 pass the User object ( loggedInUser ) to Page2 within a Navigator. push call and use a RouteSettings arg with your route name ( /page2 ). Navigator.
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