Flutter: Error when trying to generate release apk
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Reman Bala
Apr 7, 2020, 11:48:29 AM4/7/20
to Flutter Development (flutter-dev)
Hello,
Please help me solve this issue.
I am not being able to generate release apk using the command "flutter build apk".
I have followed the flutter docs to sign the apk. But I am facing this issue.
$ flutter build apk
You are building a fat APK that includes binaries for android-arm, android-arm64, android-x64.
If you are deploying the app to the Play Store, it's recommended to use app bundles or split the APK to reduce the APK size.
To generate an app bundle, run:
flutter build appbundle --target-platform android-arm,android-arm64,android-x64
Learn more on: https://developer.android.com/guide/app-bundle
To split the APKs per ABI, run:
flutter build apk --target-platform android-arm,android-arm64,android-x64 --split-per-abi
Learn more on: https://developer.android.com/studio/build/configure-apk-splits#configure-abi-split
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:validateSigningRelease'.
> Keystore file not set for signing config release
* 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 47s
Running Gradle task 'assembleRelease'...
Running Gradle task 'assembleRelease'... Done 49.1s
Gradle task assembleRelease failed with exit code 1
Please help me solve this issue.
Graham Dickinson
Apr 7, 2020, 12:51:11 PM4/7/20
to Flutter Development (flutter-dev)
The message is actually telling you how to resolve it. Have you tried any of the options it gives you?
Reman Bala
Apr 7, 2020, 1:17:16 PM4/7/20
to Flutter Development (flutter-dev)
Nothing has worked so far
Message has been deleted
Maurice McCabe
Apr 7, 2020, 1:32:24 PM4/7/20
to Flutter Development (flutter-dev)
Try the directions in https://mmcc007.github.io/fledge/docs/app/android/#app-signing
Graham Dickinson
Apr 7, 2020, 2:14:26 PM4/7/20
to Flutter Development (flutter-dev)
Apologies, missed the keystore message when reading on my phone. Maurice's post should help.
Reman Bala
Apr 7, 2020, 11:15:50 PM4/7/20
to Flutter Development (flutter-dev)
I tried it. Its still the same
Muthaiah Thiagarajan
Apr 7, 2020, 11:18:35 PM4/7/20
to Reman Bala, Flutter Development (flutter-dev)
Hi
Try releasing through android studio -> build -> signed apk. It should work. Sometimes we get this and we now take builds mostly via android studio and xcode directly.
Thanks
Muthu
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Souvik Dutta
Apr 8, 2020, 12:03:04 AM4/8/20
to Reman Bala, Flutter Development (flutter-dev)
Have you tried updating the flutter SDK?
Souvik flutter dev
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Reman Bala
Apr 8, 2020, 1:31:25 AM4/8/20
to Flutter Development (flutter-dev)
I have followed this too. But it didn't work.
On Tuesday, April 7, 2020 at 11:17:24 PM UTC+5:45, Maurice McCabe wrote:
Reman Bala
Apr 8, 2020, 1:31:55 AM4/8/20
to Flutter Development (flutter-dev)
My SDK is of the latest version. Still not working.
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Reman Bala
Apr 8, 2020, 1:33:27 AM4/8/20
to Flutter Development (flutter-dev)
Android studio doesnt show signed apk in build menu.
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Souvik Dutta
Apr 8, 2020, 1:34:31 AM4/8/20
to Reman Bala, Flutter Development (flutter-dev)
Try building your app for just one specific platform. A fat APK means that your app is being built for lots of platforms. Try it building it once but for just a specific platform.
Souvik flutter dev
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Reman Bala
Apr 8, 2020, 1:34:48 AM4/8/20
to Flutter Development (flutter-dev)
I have followed this but it is still giving me the error.
On Tuesday, April 7, 2020 at 11:17:24 PM UTC+5:45, Maurice McCabe wrote:
Souvik Dutta
Apr 8, 2020, 7:35:59 AM4/8/20
to Reman Bala, Flutter Development (flutter-dev)
Where are you situated? I mean are you in mainland China?
Souvik flutter dev
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Souvik Dutta
Apr 8, 2020, 7:38:42 AM4/8/20
to Reman Bala, Flutter Development (flutter-dev)
Well I did find a lot of people to be helped by this command.
flutter build appbundle --release
Have you tried this? Try this once and see if it works.
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