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June 8, 2022 10:09
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| // | |
| // [Author] Alex (https://github.com/AlexV525) | |
| // [Date] 2020/9/15 14:06 | |
| // | |
| import 'dart:async'; | |
| import 'package:flutter/widgets.dart'; | |
| extension SafeSetStateExtension on State { | |
| /// [setState] when it's not building, then wait until next frame built. | |
| FutureOr<void> safeSetState(FutureOr<dynamic> Function() fn) async { | |
| await fn(); | |
| if (mounted && | |
| !context.debugDoingBuild && | |
| context.owner?.debugBuilding == false) { | |
| // ignore: invalid_use_of_protected_member | |
| setState(() {}); | |
| } | |
| final Completer<void> completer = Completer<void>(); | |
| WidgetsBinding.instance.addPostFrameCallback((_) { | |
| completer.complete(); | |
| }); | |
| return completer.future; | |
| } | |
| } |
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