What is the widget in Flutter?

Widgets are the central class hierarchy in the Flutter framework . A widget is an immutable description of part of a user interface. Widgets can be inflated into elements, which manage the underlying render tree. Widgets themselves have no mutable state (all their fields must be final).

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What is the widget in Flutter?

Widgets are the central class hierarchy in the Flutter framework . A widget is an immutable description of part of a user interface. Widgets can be inflated into elements, which manage the underlying render tree. Widgets themselves have no mutable state (all their fields must be final).

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What is stateful widget in Flutter?

Stateful Widgets are dynamic widgets . They can be updated during runtime based on user action or data change. Stateful Widgets have an internal state and can re-render if the input data changes or if Widget’s state changes. For Example: Checkbox, Radio Button, Slider are Stateful Widgets.

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What is super key key in Flutter?

super(key: key) forwards to the constructor of the super class and passes the parameter key passed to MyHomepage to the super constructors key parameter (same as for MyHomepage({Key key}) ). Follow this answer to receive notifications. edited Jun 16, 2020 at 16:32. Peter Mortensen. 29.8k21 98 124.

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