What is Flutter app lifecycle?

The observable lifecycle events are: inactive — The application is in an inactive state and is not receiving user input. … paused — The application is not currently visible to the user, not responding to user input, and running in the background. This is equivalent to onPause() in Android.

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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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