当我尝试在模拟器上调试 Flutter 应用时，我随机开始收到此编译错误。我尝试将 Flutter 升级到最新版本。我的代码中没有出现任何格式或其他错误。我唯一能想到的可能是我在另一台计算机上更改了 dart 文件的编码，这是使用记事本导致问题的根本原因。
registerResGeneratingTask is deprecated, use registerGeneratedResFolders(FileCollection)
registerResGeneratingTask is deprecated, use registerGeneratedResFolders(FileCollection)
registerResGeneratingTask is deprecated, use registerGeneratedResFolders(FileCollection)
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nhandled exception:
Crash when compiling package:prep_ace/Pages/Engli
sh/en_additional_resource.dart,
at character offset null:
NoSuchMethodError: The getter 'isEof' was called on null.
Receiver: null
Tried calling: isEof
#0 Object.noSuchMethod (dart:core-patch/object_patch.dart:51:5)
#1 scannerRecovery
#2 _tokenizeAndRecover (package:front_end/src/fasta/scanner.dart:103:14)
#3 scan (package:front_end/src/fasta/scanner.dart:82:10)
#4 SourceLoader.tokenize (package:front_end/src/fasta/source/source_loader.dart:207:28)
<asynchronous suspension>
#5 SourceLoader.buildOutline (package:front_end/src/fasta/source/source_loader.dart:281:26)
<asynchronous suspension>
#6 Loader.buildOutlines (package:front_end/src/fasta/loader.dart:239:13)
<asynchronous suspension>
#7 KernelTarget.buildOutlines.<anonymous closure> (package:front_end/src/fasta/kernel/kernel_target.dart:248:20)
<asynchronous suspension>
#8 withCrashReporting (package:front_end/src/fasta/crash.dart:122:24)
<asynchronous suspension>
#9 KernelTarget.buildOutlines (package:front_end/src/fasta/kernel/kernel_target.dart:246:12)
<asynchronous suspension>
#10 generateKernelInternal.<anonymous closure> (package:front_end/src/kernel_generator_impl.dart:117:28)
<asynchronous suspension>
#11 withCrashReporting (p
ackage:front_end/src/fasta/crash.dart:122:24)
<asynchronous suspension>
#12 generateKernelInternal (package:front_end/src/kernel_generator_impl.dart:65:10)
<asynchronous
suspension>
#13 kernelForProgramInternal.<anonymous closure>
<asynchronous suspension>
#14 CompilerContext.runWithOptions.<anonymous cl
osure> (package:front_end/src/fasta/compiler_context.dart:134:20)
<asynchronous suspension>
#15 CompilerContext.runInC
ontext.<anonymous closure>.<anonymous closure> (package:front_end/src/fasta/compiler_context.dart:122:46)
#16 new Future.sync (dart
:async/future.dart:224:31)
#17 CompilerContext.runInContext.<anonymous closure> (package:front_end/src/fasta/compiler_context.dart:122:19)
#18 _rootRun (dar
t:async/zone.dart:1124:13)
#20 _runZoned (dart:async/zone.dart:1516:10)
#21 runZoned (dart:async/zone.dart:1463:12)
#22
CompilerContext.runInContext (package:front_end/src/fasta/compiler_context.dart:121:12)
#23 CompilerContext.runWithOptions (package:front_end/src/fasta/compiler_context.dart:132:10)
#24 kernelForProgramInternal (package:front_end/src/api_prototype/kern
el_generator.dart:58:32)
<asynchronous suspension>
#25 kernelForProgram (package:front_end/src/api_prototype/
kernel_generator.dart:51:17)
<asynchronous suspension>
#26 compileToKernel (package:vm/kernel_front_end.dart:295:41)
<asynchronous suspension>
#27
FrontendCompiler.compile.<anonymous closure> (package:vm/frontend_server.dart:383:56)
#29 _rootRun (dart:async/zone.dart:1120:38)
#30 _CustomZone.run (dart:async/zone.dart:1021:19)
#31 _Cust
omZone.runGuarded (dart:async/zone.dart:923:7)
#33 _rootRun (dart:async/zone.dart:1124:13)
#34 _CustomZone.ru
n (dart:async/zone.dart:1021:19)
#35 _CustomZone.bindCallback.<anonymous c
losure> (dart:async/zone.dart:947:23)
#36 Timer._createTimer.<anonymous clos
ure> (dart:async-patch/timer_patch.dart:21:15)
#37 _Timer._runTimers (dart:isolate-patch/timer_impl.dart:382:19)
#38 _Timer._handle
#39 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:172:12)
#0
Object.noSuchMethod (dart:core-patch/object_patch.dart:51:5)
#1 scannerRecovery
#3 scan
#4 SourceLoader.token
ize (package:front_end/src/fasta/source/source_loader.dart:207:28)
<asynchronous suspension>
#5 SourceLoader.buildOutline (package:front_end/src/fasta/source/source_loader.dart:281:26)
<asynchronous suspension>
#6 Loader.buildOu
tlines (package:front_end/src/fasta/loader.dart:239:13)
<asynchronous suspension>
#7 KernelT
#10 generateKernelInternal.<anonymous closure>
<asynchronous s
uspension>
#11 withCrashReporting (package:front_end/src/fasta/crash.dart:122:24)
<asynchronou
s suspension>
#12 generateKernelInternal (package:front_end/src/kernel_generator_impl.dart:65:10)
<asynchronous suspension>
#13 kernelForProgramInternal
.<anonymous closure> (package:front_end/src/api_prototype/kernel_generator.dart:59:35)
<asynchronous su
spension>
#14 CompilerContext.runWithOptions.<anonymous closure> (package:front_end/src/fasta/compi
ler_context.dart:134:20)
<asynchronous suspension>
#15 CompilerContext.runInContex
t.<anonymous closure>.<anonymous closure> (package:front_end/src/fasta/compiler_conte
xt.dart:122:46)
#16 new Future.sync (dart:async/future.dart:224:31)
#17 CompilerCo
ntext.runInContext.<anonymous closure> (package:front_end/src/fasta/compile
r_context.dart:122:19)
#18 _rootRun (dart:async/zone.dart:1124:13)
#19 _CustomZone.r
un (dart:async/zone.dart:1021:19)
#20 _runZoned (dart:async/zone.dart:1516:10)
#21 runZone
d (dart:async/zone.dart:1463:12)
#22 CompilerContext.runInContext (package:front_end/src/fas
ta/compiler_context.dart:121:12)
#24 kernelForProgramInternal
<async
hronous suspension>
#25 kernelForProgram (package:front_end/src/api_prototype/kernel_generator.dart:51:17)
<asynchronous susp
ension>
#26 compileToKernel (package:vm/kernel_front_end.dart:295:41)
<asynchronous suspension>
#27 FrontendCompiler.compile.<an
#28 new Future.<anonymous closure> (dart:async/future.dart:176:37)
#29 _
rootRun (dart:async/zone.dart:1120:38)#30 _CustomZone.run (dart:async/zone.dart:1021:19)
#31 _CustomZone.runGuarded (dart:async/zone.dart:923:7)
#
32 _CustomZone.bindCallbackGuarded.<anonymous closure> (dart:async/zone.dart:963:23)
#33 _rootRun (dart:async/zone.dart:1124:13)
#34 _CustomZ
one.run (dart:async/zone.dart:1021:19)
#35 _CustomZone.bindCallback.<anonymous closure> (dart:async/zone.dart:947:23)
#36 Timer._createTim
er.<anonymous closure> (dart:async-patch/timer_patch.dart:21:15)
#37 _Timer._runTimers (dart:isolate-patch/timer_impl
.dart:382:19)
#38 _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:416:5)
#39 _RawReceivePortImpl._handleMe
ssage (dart:isolate-patch/isolate_patch.dart:172:12)
Compiler failed on D:\OneDrive\Apps in Progress\prep_ace\prep_ace\lib\main.dart
FAILURE: Build failed with an exception.
* Where:
Script 'D:\OneDrive\Apps in Progress\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 765
* What went wrong:
Execution failed for task ':app:compileFlutterBuildDebugX86'.
> Process 'command 'D:\OneDrive\Apps in Progress\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 4s
Gradle task assembleDebug failed with exit code 1
Exited (sigterm)
代码中我没有发现任何错误。对于我还没有真正开始处理的页面来说，这都是非常简单的基本代码。这样的事情会导致这个错误吗？
答案1
刚刚确认了我自己的想法，这是记事本的编码。我将其更改为 UTF-16，而 dart 文件的默认编码是 UTF-8。我想这在 Flutter 中很重要。