perform action when build is done flutter

191

WidgetsBinding.instance.addPostFrameCallback((_) {
  // executes after build
})
@override
Widget build(BuildContext context) {
  WidgetsBinding.instance.addPostFrameCallback((_) => afterBuild);
  return Container(); // widget tree
}

void afterBuild() {
  // executes after build is done
}

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