2 Answers. Show activity on this post. Let say you want to use id and collectionName in its corresponding state class _IndividualSignupPage1State you can access it using “widget ” property like, appBar: AppBar(title: Text(widget.id)), **OR** appBar: AppBar(title: Text(widget.
Read moreWhat is lifecycle of a widget in Flutter?
Widgets in Flutter have following lifecycle methods associated with them: initState: This method is called when this object is inserted into the tree . This will be called exactly once per State object. Here we can initialize the variables needed for the widget such as AnimationController.29 May 2021
Read moreWhat is the lifecycle of stateful widget?
In one word: performance. The tldr version is that State objects are long lived, but StatefulWidget s (and all Widget subclasses) are thrown away and rebuilt whenever configuration changes . It’s very inexpensive ie cheap for Flutter to rebuild a mutable widget.
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