Flutter State Management Quiz

What is the primary purpose of state management in Flutter?

• Improve app design

• Manage screen transitions

• Manage and update UI in response to user interaction or data changes

• Store app settings

What Flutter method is used to find the nearest ancestor widget of a given type?

• getAncestorWidget()

• findParent()

• context.findAncestorWidgetOfExactType()

• getParentWidget()

Which of the following is used to notify listeners about changes in state?

• Consumer

• ChangeNotifier

• ChangeNotifierProvider

• Builder

What does ChangeNotifier do in Flutter state management?

• Updates the UI directly

• Subscribes to widget changes

• Provides a way to notify listeners about state changes

• Builds UI components

How does a ChangeNotifierProvider work in context of Flutter's widget tree?

• It returns a new widget

• It builds the entire tree

• It provides an instance of ChangeNotifier to its descendants

• It stores data in shared preferences

Which of the following is used to rebuild only the specific widget that needs the state?

• Provider

• Listener

• Consumer

• Builder

Which widget is used to watch variable changes in GetX?

• StatefulWidget

• Obx

• None

• Center

What is the purpose of a Controller in GetX?

• To display UI

• To handle navigation

• To make values reactive

• To inject services