– Context is a link to the location of a widget in the tree structure of widgets . – Context can belong to only one widget. – If a widget has child widgets, then the context of the parent widget becomes the parent context for the contexts of direct child elements.
Read moreWhat does BuildContext mean?
A BuildContext is nothing else but a reference to the location of a Widget within the tree structure of all the Widgets which are built . In short, think of a BuildContext as the part of Widgets tree where the Widget is attached to this tree. A BuildContext only belongs to one widget.6 Ağu 2018
Read moreMaterialapp nedir?
Material App uygulamanın ana ve en kapsayıcı olan alanıdır. Material tarzdaki geliştirmelerimiz için bize tüm widgetların dönüşünü veren en temek widgetlardan biridir. Koddaki durumuna bakacak olursak; Flutter’ın açılış kodu olan sayaç tasarımından örnek alabiliriz.
Read moreWhat is BlocConsumer Flutter?
BlocConsumer exposes a builder and listener in order react to new states . BlocConsumer is analogous to a nested BlocListener and BlocBuilder but reduces the amount of boilerplate needed. BlocConsumer should only be used when it is necessary to both rebuild UI and execute other reactions to state changes in the bloc.
Read moreHow does a bloc Flutter work?
BlocProvider is a flutter widget that creates and provides a Bloc to all of its children . This is known as a dependency injection widget, so that a single instance of Bloc can be provided to multiple widgets within a subtree.22 Eki 2021
Read moreWhy do we need BLoC Flutter?
Bloc is a design pattern created by Google to help separate business logic from the presentation layer and enable a developer to reuse code more efficiently . … It helps developers implement the Bloc design pattern in their Flutter application. It means that a developer must know the state of an app at any time.22 Eki 2021
Read moreWhat is BlocListener?
BlocListener is a Flutter widget which takes a BlocWidgetListener and an optional bloc and invokes the listener in response to state changes in the bloc . It should be used for functionality that needs to occur once per state change such as navigation, showing a SnackBar , showing a Dialog , etc…
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