Error: The getter 'addressOf' isn't defined for the class 'Utf8'

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/C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/ffi-0.1.3/lib/src/utf8.dart:63:33: Error: The getter 'addressOf' isn't defined for the class 'Utf8'.

'Utf8' is from 'package:ffi/src/utf8.dart' ('/C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/ffi-0.1.3/lib/src/utf8.dart'). Try correcting the name to the name of an existing getter, or defining a getter or field named 'addressOf'. String toString() => fromUtf8(addressOf); ^^^^^^^^^ /C:/src/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, ^^^^^^ /C:/src/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) { ^^^^^^^^ /C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/path_provider_windows-0.0.4+3/lib/src/path_provider_windows_real.dart:126:25: Error: The getter 'addressOf' isn't defined for the class 'GUID'.

'GUID' is from 'package:win32/src/structs.dart' ('/C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/win32-1.7.4+1/lib/src/structs.dart'). Try correcting the name to the name of an existing getter, or defining a getter or field named 'addressOf'. knownFolderID.addressOf, KF_FLAG_DEFAULT, NULL, pathPtrPtr); ^^^^^^^^^ /C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/win32-1.7.4+1/lib/src/structs.dart:1067:7: Error: The getter 'addressOf' isn't defined for the class 'LOGFONT'.

'LOGFONT' is from 'package:win32/src/structs.dart' ('/C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/win32-1.7.4+1/lib/src/structs.dart'). Try correcting the name to the name of an existing getter, or defining a getter or field named 'addressOf'. addressOf.cast().elementAt(28).cast(); ^^^^^^^^^ /C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/win32-1.7.4+1/lib/src/structs.dart:1112:29: Error: The getter 'addressOf' isn't defined for the class 'ENUMLOGFONTEX'.

'ENUMLOGFONTEX' is from 'package:win32/src/structs.dart' ('/C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/win32-1.7.4+1/lib/src/structs.dart'). Try correcting the name to the name of an existing getter, or defining a getter or field named 'addressOf'. LOGFONT get elfLogFont => addressOf.cast().ref; ^^^^^^^^^ /C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/win32-1.7.4+1/lib/src/structs.dart:1114:29: Error: The getter 'addressOf' isn't defined for the class 'ENUMLOGFONTEX'.

'ENUMLOGFONTEX' is from 'package:win32/src/structs.dart' ('/C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/win32-1.7.4+1/lib/src/structs.dart'). Try correcting the name to the name of an existing getter, or defining a getter or field named 'addressOf'. String get elfFullName => addressOf ^^^^^^^^^

FAILURE: Build failed with an exception.

Where: Script 'C:\src\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 1035

What went wrong: Execution failed for task ':app:compileFlutterBuildDebug'. Process 'command 'C:\src\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 1m 6s Exception: Gradle task assembleDebug failed with exit code 1

You probably have the `ffi` package constrained to < 1 in your pubspec.yaml. Check in your pubspec.lock what versions are resolved for win32 and ffi. — Richard Heap, May 22 '21 at 17:49
For the future try making you question description shorter, people are more likely to answer a short yet clear question. Good lock coding :) — SilkeNL, May 22 '21 at 19:37

score 97 · Answer 1 · answered May 23 '21 at 12:27

97

I got this error today. Here is what I did,

Deleted .idea folder and build folder as well as pubspec-lock file.
run flutter pub get

After these 2 simple steps, Project compiled without any errors.

answered May 23 '21 at 12:27

Dasunx

2,270
1
12
7

1

Thanks, this fixed an issue for me with a project that I hadn't ran in months. – Loren.A May 30 '21 at 02:19
Thank you, this worked for me, but I'm really worried about other projects, why is this happening? its because of flutter/dart upgrades? or Android studio upgrades? why a dependency broke? – Mavro Jun 10 '21 at 14:55
4

i didn't found .idea folder but deleted build folder and pubspec-lock file solving my issue – Eray Hamurlu Jul 02 '21 at 07:54
Those plethora of errors surely sounded much more alarming than I would expect to solve with a simple solution like this. But it does work. Thanks a lot! – Ulysses Alves Oct 02 '21 at 19:04
This solved my issue. Thank you – herocodes Dec 03 '21 at 22:36
Not solved the issue. I have tried 2 times – Kamlesh Jan 28 '22 at 07:35

score 24 · Answer 2 · answered Jun 24 '21 at 09:01

24

I find solution. Delete those file from folder

".idea" file

"build" file

"pubspec-lock" file.

After delete "flutter clean" form terminal. Then "pub get".

answered Jun 24 '21 at 09:01

AK IJ

492
4
10

Thanks after receiving a project from a collegue developing on windows, I couldn't get the project to run on linux with a supposedly newer flutter toolchain. After setting dependency overrides for flutter_svg, intl, image and xml packages, your solution was the last stepstone to an apk. – JackLeEmmerdeur Jul 01 '21 at 21:08

score 16 · Answer 3 · edited Jun 01 '21 at 05:49

16

flutter clean
flutter pub get
flutter pub upgrade

edited Jun 01 '21 at 05:49

Spatz

18,640
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answered Jun 01 '21 at 04:49

Bala Subramanian M

161
3

2

This fix my problem btw – Apin Jun 09 '21 at 13:53
1

this fix my issue good answer man – AhmedA.Elsalamony Dec 08 '21 at 17:31

score 14 · Answer 4 · answered May 23 '21 at 14:47

You should search which dependency broke your build :

flutter pub deps

Find globally win32 in the result, and take the faulty dependency.

For me, it was path_provider:

|-- path_provider 1.6.18 <- Latest version 2.0.1
|   |-- flutter...
|   |-- path_provider_linux 0.0.1+2
|   |   |-- flutter...
|   |   |-- path...
|   |   |-- path_provider_platform_interface...
|   |   '-- xdg_directories 0.1.2
|   |       |-- meta...
|   |       |-- path...
|   |       '-- process 4.1.0
|   |           |-- file...
|   |           |-- path...
|   |           '-- platform...
|   |-- path_provider_macos 0.0.4+4
|   |   '-- flutter...
|   |-- path_provider_platform_interface 1.0.3
|   |   |-- flutter...
|   |   |-- meta...
|   |   |-- platform 3.0.0
|   |   '-- plugin_platform_interface...
|   '-- path_provider_windows 0.0.4+1
|       |-- ffi 0.1.3
|       |-- flutter...
|       |-- meta...
|       |-- path...
|       |-- path_provider_platform_interface...
|       '-- win32 1.7.3 <--- Here
|           '-- ffi...

Go to https://pub.dev/ and take the latest version. Then, make futter clean && flutter pub get and try to rebuild your app.

How did you know it was 'path_provider' – joash Jun 02 '21 at 09:34 — joash, Jun 02 '21 at 09:34

score 8 · Answer 5 · edited Sep 05 '22 at 01:19

8

Delete:

-> .idea folder
->  build folder 
->  pubspec-lock file.

Then:

run flutter pub get

edited Sep 05 '22 at 01:19

Pang

9,564
146
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122

answered Jun 21 '21 at 21:13

Söhrab Vahidli

587
7
10

score 1 · Answer 6 · answered Jul 16 '21 at 04:11

1

Upgrading all the packages to the latest version fixed my issue. since it's been quite a while since I last opened this project.

answered Jul 16 '21 at 04:11

ASAD HAMEED

2,296
1
20
36

score 1 · Answer 7 · answered Mar 23 '22 at 21:00

1

first clean your Flutter Project and then run flutter pub get. hope it will work you else Follow these procedures

1. Delete .idea folder 2. Delete build folder 3. Delete pubspec-lock file.

after That again run this command flutter pub get

DONE

answered Mar 23 '22 at 21:00

Raza Sheikh

61
1
4

Your answer could be improved with additional supporting information. Please [edit] to add further details, such as citations or documentation, so that others can confirm that your answer is correct. You can find more information on how to write good answers [in the help center](/help/how-to-answer). – Community Mar 24 '22 at 07:18

score 0 · Answer 8 · edited Jun 01 '21 at 05:53

You should search which dependency broke your build:

first there is an android studio plugin "Flutter Enhancement suite" install it it will show you which dependency need to be update to newer version.
Dependencies that are conflicting change them to any like cupertino_icons: ^1.0.2 auto_size_text: ^2.1.0 path_provider: any
run pub get.
go to pub pubspec.lock file
search for dependencies version that you changed to any in step 2.
replace versions in pubspec.yaml . and its done[enter image Flutter Enhancement suite][1]

how to upgrade dependencies within android studio

How to find perfect version for conflicting versions that we change with any

score 0 · Answer 9 · answered Feb 13 '23 at 11:16

0

first of all delete these file one by one

.idea folder
build folder 
pubspec-lock file.

and then run the following commands:

flutter clean;flutter pub get;

answered Feb 13 '23 at 11:16

Ikram Ullah

41
4

Error: The getter 'addressOf' isn't defined for the class 'Utf8'

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