<ul><li>BuildContext is not a reference to your widget. It's a reference to the location of the widget in the widget tree.</li><li>BuildContext is tied to the location of a widget, not the widget itself. If the widget is rebuilt or moved, that context may no longer be valid.</li><li>At initState(), your widget hasn't been inserted into the widget tree yet. So trying to use context-dependent methods like Theme.of(context) or Provider.of(context) will crash.</li><li>Best Practices with BuildContext: If you’re in doubt, wrap your widget in a Builder to get a fresh, local context.</li></ul>

Flutter Devs Are Getting BuildContext All Wrong — Here's the Truth

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