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Lifecycle of a stateful widget

Lifecycle of a stateful widget - Flutter Tutorial

From the course: Flutter Essential Training: Build for Multiple Platforms

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Lifecycle of a stateful widget

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- [Instructor] Let's go back to the Stateful widget signature and notice our State class again. Once the createState has created the State object a BuildContext is associated with the State object. Now, if you check the documentation you will read that the BuildContext is nothing but the location in the tree where this widget builds. Now, once the BuildContext associated you can see that this value, mounted, will be true. So you can use this logic that requires you to work with this context maybe, or if you want to execute something only after the State object is successfully created. Or even while doing setState. So here you could do something like if mounted, then you do the setState. This is a good way to make sure you're not performing setState on an unmounted State to avoid any runtime crashes. Moving forward, the State class overrides a bunch of lifecycle methods, but the two most important widget lifecycle…

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