Flutter - Execution failed for task ':unique_identifier:verifyReleaseResources'

Question

I get this when I do 'flutter run --release'

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':unique_identifier:verifyReleaseResources'.
> A failure occurred while executing com.android.build.gradle.internal.tasks.Workers$ActionFacade
   > Android resource linking failed
     C:\Users\USER\.gradle\caches\transforms-2\files-2.1\df6cf23cc51da578d8b158de17d0c9cb\core-1.0.0\res\values\values.xml:57:5-88:25: AAPT: error: resource android:attr/fontVariationSettings not found.

     C:\Users\USER\.gradle\caches\transforms-2\files-2.1\df6cf23cc51da578d8b158de17d0c9cb\core-1.0.0\res\values\values.xml:57:5-88:25: AAPT: error: resource android:attr/ttcIndex not found.


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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 19s
Running Gradle task 'assembleRelease'...
Running Gradle task 'assembleRelease'... Done                      19.7s
The built failed likely due to AndroidX incompatibilities in a plugin. The tool is about to try using Jetfier to solve the incompatibility.
Building plugin camera...
Running Gradle task 'assembleAarRelease'...
Running Gradle task 'assembleAarRelease'... Done                    1.7s
√ Built build\app\outputs\repo.
Building plugin cloud_firestore...
The plugin cloud_firestore could not be built due to the issue above.

When I do flutter run --debug I don't get this issue,

Any idea how to solve it?

I tried down grading cloud_firestore to 0.12.11 and 0.12.10+2 but it didn't help

I tried:

    minSdkVersion 29
    targetSdkVersion 29

it didn't help

I checked the file: C:\Users\USER\.gradle\caches\transforms-2\files-2.1\df6cf23cc51da578d8b158de17d0c9cb\core-1.0.0\res\values\values.xml and indeed the 2 mentioned items are missing, I try to add them manually but it is deleted when I run flutter run --release

Elia Weiss · Accepted Answer · 2020-01-23 01:46:09Z

2

Solution:

After I did flutter run --release --verbose, I realize that unique_identifier was refering to the package unique_identifier that I have in my YAML file but not actually uses in the project.

So I removed unique_identifier and the build passed.

The message about cloud_firestore confused me, and is not really related.

edited Jan 23, 2020 at 1:46

answered Jan 16, 2020 at 5:05

Elia Weiss

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1 Comment

Peter Akwa Over a year ago

Thank you so much, this saved me after all trying to resolve this the whole day. I had to remove the unique_identifier and use AndroidDeviceInfo and IosDeviceInfo instead

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