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 does runApp do in Flutter?

The runApp() function takes the given Widget and makes it the root of the widget tree . In this example, the widget tree consists of two widgets, the Center widget and its child, the Text widget. The framework forces the root widget to cover the screen, which means the text “Hello, world” ends up centered on screen.

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What is runApp?

Runapp is one of many adware-type apps that form part of the Pirrit adware family . Typically, apps of this type feed users with unwanted ads, however, they might also gather user details. Research shows that Runapp installs another identical app called MacPerformance (also part of Pirrit adware).

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Where is the widget position in Flutter?

You can use the GlobalKey to obtain the RenderBox from which you can get the size and offset position information . First, you need to assign a GlobalKey to the widget. If you’ve assigned the GlobalKey to the widget, you can get the currentContext property of the key and call the findRenderObject() method.

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