This method is called after rebuilds and always passes in the old widget as an argument . This gives you a chance to check if Flutter should rebuild or not. For example, if your new widget is rebuilt with the same data, then there’s no need to make Flutter do the expensive work.
Read moreWhy is the build () method on state and not Statefulwidgets?
Why is the build method on State, and not StatefulWidget? Putting a Widget build(BuildContext context) method on State rather than putting a Widget build(BuildContext context, State state) method on StatefulWidget gives developers more flexibility when subclassing StatefulWidget.
Read moreHow do you use an inherited widget in Flutter?
In flutter, the inherited widget is a base class that allows those classes to extend the information under the tree from it. Inherited widgets are also a kind of state management technique. It works by telling registered build references when a change occurs .
Read moreWhat are components in flutter?
Material Components are interactive building blocks for creating a user interface . Browse all components or select a specific platform. All Components Android Web Flutter iOS.
Read moreHow do I create a custom widget in flutter?
We create Custom Widgets when we want a custom look and feel to our app, and we know that there will be a repetition of a particular widget. We can create the custom widget in a new dart file with all the codes and defining the parameters that we need in the constructor .12 Mar 2021
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