无法构建项目

Question

当我尝试构建这个项目时，我在控制台中打印了这个错误。

但是，当我尝试构建其他项目时，没有发生任何错误。这是为什么？

2 天前一切正常。

这是错误，

unning "flutter pub get" in SampleApp...

Launching lib\main.dart on Android SDK built for x86 in debug mode...

/E:/flutter/.pub-cache/hosted/pub.dartlang.org/firebase-7.3.0/lib/src/top_level.dart:1:8: Error: Not found: 'dart:html'

import 'dart:html';

       ^

/E:/flutter/.pub-cache/hosted/pub.dartlang.org/js-0.6.2/lib/js.dart:8:1: Error: Not found: 'dart:js'

export 'dart:js' show allowInterop, allowInteropCaptureThis;

^

/E:/flutter/.pub-cache/hosted/pub.dartlang.org/js-0.6.2/lib/js_util.dart:8:1: Error: Not found: 'dart:js_util'

export 'dart:js_util';

^

/E:/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_svg-0.17.4/lib/src/picture_stream.dart:88:26: Error: Type 'DiagnosticableMixin' not found.

class PictureStream with DiagnosticableMixin {

                         ^^^^^^^^^^^^^^^^^^^

/E:/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_svg-0.17.4/lib/src/picture_stream.dart:192:44: Error: Type 'DiagnosticableMixin' not found.

abstract class PictureStreamCompleter with DiagnosticableMixin {

                                           ^^^^^^^^^^^^^^^^^^^

FAILURE: Build failed with an exception.

* Where:

Script 'E:\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 896

* What went wrong:

Execution failed for task ':app:compileFlutterBuildDebug'.

> Process 'command 'E:\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 4m 13s

Exception: Gradle task assembleDebug failed with exit code 1

Exited (sigterm)

我试过跑步flutter clean，但没有用。

Answer 1

它的发生是因为“firebase”包。我认为其中有一些错误。