使用flutter_svg包时如何解决此nullOk错误? [英] How to fix this nullOk error when using the flutter_svg package?

问题描述

我连接了程序包，将其添加到main.dart中，我尝试编译该应用程序，但出现此错误.帮助！我该怎么办?

I connected the package, added it to main.dart, I try to compile the application, but I get this error. Help! What should I do about it?

错误

Launching lib\main.dart on XT1562 in debug mode...
Running Gradle task 'assembleDebug'...
/D:/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_svg-0.18.1/lib/src/picture_provider.dart:50:59: Error: No named parameter with the name 'nullOk'.
        context != null ? Localizations.localeOf(context, nullOk: true) : null,
                                                          ^^^^^^
/D:/flutter/packages/flutter/lib/src/widgets/localizations.dart:413:17: Context: Found this candidate, but the arguments don't match.
  static Locale localeOf(BuildContext context) {
                ^^^^^^^^


FAILURE: Build failed with an exception.

* Where:
Script 'D:\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 991

* What went wrong:
Execution failed for task ':app:compileFlutterBuildDebug'.
> Process 'command 'D:\flutter\bin\flutter.bat'' finished with non-zero exit value 1

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 15s
Exception: Gradle task assembleDebug failed with exit code 1

推荐答案

请遵循以下步骤

1. 添加以下依赖项

  flutter_svg: ^0.20.0-nullsafety.3

1. 运行 flutter clean 命令
2. 运行 flutter pub get 命令
3. 运行 flutter run 命令或运行项目

1. run flutter clean command
2. run flutter pub get command
3. run flutter run command or run the project

这篇关于使用flutter_svg包时如何解决此nullOk错误?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！