[英]Error: Not found: 'dart:ui' on build_runner build
我正在嘗試運行 build_runner 構建命令:
$ flutter packages pub run build_runner build --delete-conflicting-outputs
但我收到以下錯誤:
C:\tools\flutter\bin\flutter.bat packages pub run build_runner build --delete-conflicting-outputs
[INFO] Generating build script...
[INFO] Generating build script completed, took 703ms
[INFO] Creating build script snapshot......
[INFO] Creating build script snapshot... completed, took 28.8s
[SEVERE] Failed to snapshot build script .dart_tool/build/entrypoint/build.dart.
This is likely caused by a misconfigured builder definition.
[SEVERE] /C:/tools/flutter/packages/flutter/lib/src/material/animated_icons.dart:9:8: Error: Not found: 'dart:ui'import 'dart:ui' as ui show Paint, Path, Canvas; ^/C:/tools/flutter/packages/flutter/lib/src/material/animated_icons.dart:10:8: Error: Not found: 'dart:ui'import 'dart:ui' show lerpDouble; ^/C:/tools/flutter/packages/flutter/lib/src/material/app.dart:5:8: Error: Not found: 'dart:ui'import 'dart:ui' as ui; ^/C:/tools/flutter/packages/flutter/lib/src/material/app_bar_theme.dart:5:8: Error: Not found: 'dart:ui'import 'dart:ui' show lerpDouble; ^/C:/tools/flutter/packages/flutter/lib/src/material/arc.dart:6:8: Error: Not found: 'dart:ui'import 'dart:ui' show lerpDouble; ^/C:/tools/flutter/packages/flutter/lib/src/material/bottom_app_bar_theme.dart:5:8: Error: Not found: 'dart:ui'import 'dart:ui' show lerpDouble; ^/C:/tools/flutter/packages/flutter/lib/src/material/bottom_sheet.dart:6:8: Error: Not found: 'dart:ui'import 'dart:ui' show lerpDouble; ^/C:/tools/flutter/packages/flutter/lib/src/material/bottom_sheet_theme.dart:5:8: Error: Not found: 'dart:ui'import 'dart:ui' show lerpDouble; ^/C:/tools/flutter/packages/flutter/lib/src/material/button_bar_theme.dart:5:8: Error: Not found: 'dart:ui'import 'dart:ui' show lerpDouble; ^/C:/tools/flutter/packages/flutter/lib/src/material/card_theme.dart:5:8: Error: Not found: 'dart:ui'import 'dart:ui' show lerpDouble; ^
pub finished with exit code 78
Process finished with exit code 78
2020 年 7 月 25 日更新:
我已經嘗試運行flutter clean
, flutter pub get
並更改我的 pubspec.yaml 以不同的方式和不同依賴版本的不同組合,但問題一直在發生。
我什至發現了一個問題,它提出了一個非常相似的問題,但在測試的背景下,這不是我的情況。
為了更容易識別問題,我發布了我的 pubspec.yaml。
name: schema_widget
description: A Flutter package for dynamic widget creation.
version: 0.1.11
homepage: https://github.com/Legytma/schema_widget
environment:
sdk: ">=2.1.0 <3.0.0"
legytma_schema:
version: 1.1.2
dependencies:
flutter:
sdk: flutter
logging: ^0.11.4
get_it: ^4.0.4
json_schema: ^2.2.1
http: ^0.12.2
google_maps_flutter: ^0.5.28+1
flutter_spinkit: ^4.1.2+1
build: ^1.3.0
source_gen: ^0.9.6
path_provider: ^1.6.11
flutter_cache_manager: ^1.4.1
rxdart:
analyzer:
glob:
path:
dev_dependencies:
flutter_test:
sdk: flutter
flutter_driver:
sdk: flutter
effective_dart: ^1.2.4
build_test: '>=1.0.0'
build_runner: ^1.10.0
dependency_validator: ^1.5.0
flutter:
uses-material-design: true
assets:
- assets/
- assets/LegytmaSchemas/schema/
- assets/LegytmaSchemas/schema/widget/
我遇到了同樣的問題,發現我無意中在我的生成器文件中導入了 flutter package。 刪除無用的導入解決了這個問題。
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