27 lines
682 B
Dart
27 lines
682 B
Dart
// Dart imports:
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import 'dart:async';
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// Flutter imports:
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import 'package:flutter/material.dart';
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extension StateExtension on State {
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/// [setState] when it's not building, then wait until next frame built.
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FutureOr<void> safeSetState(FutureOr<dynamic> Function() fn) async {
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await fn();
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if (mounted &&
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!context.debugDoingBuild &&
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context.owner?.debugBuilding == false) {
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// ignore: invalid_use_of_protected_member, no-empty-block
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setState(() {});
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}
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final Completer<void> completer = Completer<void>();
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WidgetsBinding.instance.addPostFrameCallback((_) {
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completer.complete();
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});
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return completer.future;
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}
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}
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