我最近在运行我的应用程序时开始收到此错误。它似乎并没有影响一切,但它在日志中非常嘈杂和烦人。我没有更改任何内容或向我的应用程序添加任何内容,这会导致类似的情况,我最近做的唯一一件事就是升级到 Flutter 的最新版本(我经常升级,所以距离我上次更新只有几天) 。
../../../../../flutter/flutter/.pub-cache/hosted/pub.dartlang.org/win32-1.7.4/lib/src/structs.dart:1111:7: Info: Struct 'ENUMLOGFONTEX' is empty. Support for empty structs is deprecated and will be removed in the next stable version of Dart. Use Opaque instead.
class ENUMLOGFONTEX extends Struct {
^
../../../../../flutter/flutter/.pub-cache/hosted/pub.dartlang.org/win32-1.7.4/lib/src/structs.dart:2835:7: Info: Struct 'BLUETOOTH_PIN_INFO' is empty. Support for empty structs is deprecated and will be removed in the next stable version of Dart. Use Opaque instead.
class BLUETOOTH_PIN_INFO extends Struct {
^
../../../../../flutter/flutter/.pub-cache/hosted/pub.dartlang.org/win32-1.7.4/lib/src/structs.dart:2960:7: Info: Struct 'EXCEPINFO' is empty. Support for empty structs is deprecated and will be removed in the next stable version of Dart. Use Opaque instead.
class EXCEPINFO extends Struct {}
^
../../../../../flutter/flutter/.pub-cache/hosted/pub.dartlang.org/win32-1.7.4/lib/src/structs.dart:2966:7: Info: Struct 'PROPERTYKEY' is empty. Support for empty structs is deprecated and will be removed in the next stable version of Dart. Use Opaque instead.
class PROPERTYKEY extends Struct {}
^
../../../../../flutter/flutter/.pub-cache/hosted/pub.dartlang.org/win32-1.7.4/lib/src/structs.dart:2973:7: Info: Struct 'PROPVARIANT' is empty. Support for empty structs is deprecated and will be removed in the next stable version of Dart. Use Opaque instead.
class PROPVARIANT extends Struct {}
^
../../../../../flutter/flutter/.pub-cache/hosted/pub.dartlang.org/win32-1.7.4/lib/src/structs.dart:2978:7: Info: Struct 'SAFEARRAY' is empty. Support for empty structs is deprecated and will be removed in the next stable version of Dart. Use Opaque instead.
class SAFEARRAY extends Struct {}
^
../../../../../flutter/flutter/.pub-cache/hosted/pub.dartlang.org/win32-1.7.4/lib/src/structs.dart:2985:7: Info: Struct 'CLSID' is empty. Support for empty structs is deprecated and will be removed in the next stable version of Dart. Use Opaque instead.
class CLSID extends Struct {}
^
../../../../../flutter/flutter/.pub-cache/hosted/pub.dartlang.org/win32-1.7.4/lib/src/structs.dart:2992:7: Info: Struct 'STATSTG' is empty. Support for empty structs is deprecated and will be removed in the next stable version of Dart. Use Opaque instead.
class STATSTG extends Struct {}
^
../../../../../flutter/flutter/.pub-cache/hosted/pub.dartlang.org/win32-1.7.4/lib/src/structs.dart:2999:7: Info: Struct 'NLM_SIMULATED_PROFILE_INFO' is empty. Support for empty structs is deprecated and will be removed in the next stable version of Dart. Use Opaque instead.
class NLM_SIMULATED_PROFILE_INFO extends Struct {}
^
../../../../../flutter/flutter/.pub-cache/hosted/pub.dartlang.org/ffi-0.1.3/lib/src/utf8.dart:23:7: Info: Struct 'Utf8' is empty. Support for empty structs is deprecated and will be removed in the next stable version of Dart. Use Opaque instead.
class Utf8 extends Struct {
^
../../../../../flutter/flutter/.pub-cache/hosted/pub.dartlang.org/ffi-0.1.3/lib/src/utf16.dart:16:7: Info: Struct 'Utf16' is empty. Support for empty structs is deprecated and will be removed in the next stable version of Dart. Use Opaque instead.
class Utf16 extends Struct {
^
列表中的最后一个错误看起来略有不同:
../../../../../flutter/flutter/.pub-cache/hosted/pub.dartlang.org/ffi-0.1.3/lib/src/allocation.dart:47:33: Info: Support for using non-constant type arguments 'T' in this FFI API is deprecated and will be removed in the next stable version of Dart. Rewrite the code to ensure that type arguments are compile time constants referring to a valid native type.
final int totalSize = count * sizeOf<T>();
^
知道我该如何解决这个问题吗?我试过flutter clean
但这并没有解决问题。
这是我的flutter doctor
output:
Flutter 1.26.0-13.0.pre.190 • channel master • https://github.com/flutter/flutter.git
Framework • revision 7db172b24d (50 minutes ago) • 2021-01-26 17:18:40 -0800
Engine • revision b11bef83a5
Tools • Dart 2.12.0 (build 2.12.0-263.0.dev)
Running flutter doctor...
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel master, 1.26.0-13.0.pre.190, on Mac OS X 10.15.7 19H2 darwin-x64, locale en-US)
[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
[✓] Xcode - develop for iOS and macOS
[✓] Chrome - develop for the web
[✓] Android Studio (version 4.1)
[✓] IntelliJ IDEA Community Edition (version 2020.3.1)
[✓] VS Code (version 1.52.1)
[✓] Connected device (2 available)
• No issues found!
显然这个flutter SDK版本有错误,之前的版本运行良好,您可以在flutter控制台中使用以下命令解决此问题:
flutter downgrade
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