What is WidgetsApp?

A convenience widget that wraps a number of widgets that are commonly required for an application . One of the primary roles that WidgetsApp provides is binding the system back button to popping the Navigator or quitting the application.

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What is WidgetsApp?

A convenience widget that wraps a number of widgets that are commonly required for an application . One of the primary roles that WidgetsApp provides is binding the system back button to popping the Navigator or quitting the application.

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What is stateless and stateful widget?

A widget is either stateful or stateless . If a widget can change—when a user interacts with it, for example—it’s stateful. A stateless widget never changes. … A stateful widget is dynamic: for example, it can change its appearance in response to events triggered by user interactions or when it receives data.

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Which is the base class of widget?

Layout XML [optional]- An optional XML file inside res/layout/ that describes the layout of your widget. … Classes. AbsListViewBase class that can be used to implement virtualized lists of items.DatePickerProvides a widget for selecting a date.android.widget developer.android.com › reference › android › widget › package-summary

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