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The build method: DOs and DON'Ts

Did you know?

The widget build method can potentially be called in every frame and should not have any side effects.

Here's a list of DOs and DON'Ts. 👇

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Conversely, you can run side effects inside widget callbacks, since these are triggered by separate events that are not part of the rendering phase.

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I've written a complete article about side effects.

If you got this wrong before, it will help you. 👇

• Side Effects in Flutter: What they are and how to avoid them

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