我是一个完全的初学者，并试图自学一半，所以请逐步给出建议。
我正在尝试在Windows上使用Android Studio和Flutter制作一个应用程序。当我尝试通过模拟器运行我的应用程序时(我正在使用 genymotion，因为我有一个 Ryzen CPU(，控制台是这样说的：
Invalid depfile: C:UsersmeAndroidStudioProjectsi_am_rich.dart_toolflutter_build483fc1f7e1eeed45c31ebc61a3e78ae0kernel_snapshot.d
Invalid depfile: C:UsersmeAndroidStudioProjectsi_am_rich.dart_toolflutter_build483fc1f7e1eeed45c31ebc61a3e78ae0kernel_snapshot.d
Compiler message:
lib/main.dart:1:8: Error: Not found: 'dart:html'
import 'dart:html';
^
/C:/src/flutter/flutter/packages/flutter/lib/src/painting/_network_image_web.dart:64:12: Error: Method not found: 'webOnlyInstantiateImageCodecFromUrl'.
return ui.webOnlyInstantiateImageCodecFromUrl(resolved); // ignore: undefined_function
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
U
nhandled exception:
FileSystemException(uri=org-dartlang-u
ntranslatable-uri:dart%3Ahtml; message=StandardFileSystem only supports file:* and data:* URIs)
#0 StandardFileSystem.entityForUri (package:front_end/src/api_prototype/stan
dard_file_system.dart:33:7)
#1 asFileUri (package:vm/kernel_fron
t_end.dart:604:37)
#2 writeDepfile (package:vm/kernel_front_end.da
rt:799:21)
<asynchronous suspension>
#3 FrontendCompiler.comp
ile (package:frontend_server/frontend_server.dart:472:15)
<asynch
ronous suspension>
#4 _FlutterFrontendCompiler.compile (package:flutt
er_frontend_server/server.dart:38:22)
#5 starter (package:flu
tter_frontend_server/server.dart:149:27)
#6 main (file://
/C:/b/s/w/ir/cache/builder/src/flutter/flutter_frontend_server/bin/starter.dart:8:30)
#7 _startIsolate.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:305:32)
#8 _Ra
wReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:174:12)
Target kernel_snapshot failed: Exception: Errors during snapshot creation: null
build failed.
FAILURE: Build failed with an exception.
* Where:
Script 'C:srcflutterflutterpackagesflutter_toolsgradleflutter.gradle' line: 780
* What went wrong:
Execution failed for task ':app:compileFlutterBuildDebug'.
> Process 'command 'C:srcflutterflutterbinflutter.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 33s
Finished with error: Gradle task assembleDebug failed with exit code 1
当我在控制台中运行颤振医生时：
Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, v1.12.13+hotfix.7, on Microsoft Windows [Version 10.0.18363.592], locale
en-AU)
[√] Android toolchain - develop for Android devices (Android SDK version 29.0.3)
[√] Android Studio (version 3.5)
[√] Connected device (1 available)
• No issues found!
当我尝试颤振干净时：
Error: No pubspec.yaml file found.
This command should be run from the root of your Flutter project.
Do not run this command from the root of your git clone of Flutter.
我的颤振控制台在 C：\src\flutter\flutter 中。我真的不知道我在做什么或如何解决这个问题，我感到有点沮丧！任何建议都会很棒。谢谢。
删除该Dart.html文件并运行项目。它会工作
要使用颤振清理，请将自己(cd..(重定向到pubspec.yaml文件所在的文件夹中。我目前面临同样的问题，但这消除了"无效的深度文件"问题。
转到终端
Flutter clean
清洁后
Flutter pub get