Appcenter: Update signing process for Android

[androideveloper]

We are trying to build release version of the app, using our release key, but it get "jarsigner error: java.security.SignatureException: private key algorithm is not compatible with signature algorithm". It seems that AppCenter is using an old version of signing the app, which is security vulnerability.

As I can see from the logs AppCenter is using jarsigner and pass -sigalg MD5withRSA -digestalg SHA1, which is not secure and deprecated. I get this from the logs (Warning:
The signer's certificate is self-signed.
The MD5withRSA algorithm specified for the -sigalg option is considered a security risk.)

I also found these articles that confirm my idea:
https://forums.xamarin.com/discussion/101114/visual-studio-build-jarsigner-algorithm

https://forums.xamarin.com/discussion/152374/why-is-the-default-algorithm-for-apk-signing-in-visual-studio-ad-hoc-still-md5

And this quote is from xamarin issue tracker https://xamarin.github.io/bugzilla-archives/57/57914/bug.html

"As of build tools 24.0.3, Google has recommended that developers use "apksigner"
However we currently only support jarsigner within this task."

[winnie]

Thanks for the feature requets and providing the additional context. Adding @elamalani to follow up on this.

[tuyen-vuduc]

Hi,

I am facing the same issue.

Any updates here?

It's the standard process to set up a build.

##[section]Finishing: Build bundle from Xamarin.Android project
##[section]Starting: Sign Android App Bundle
==============================================================================
Task         : Android Signing
Description  : Sign and align Android APK files
Version      : 1.122.0
Author       : Microsoft Corporation
Help         : [More Information](https://go.microsoft.com/fwlink/?LinkID=613717)
==============================================================================
(node:2087) Warning: Use Cipheriv for counter mode of aes-256-ctr
(node:2087) Warning: Use Cipheriv for counter mode of aes-256-ctr
(node:2087) Warning: Use Cipheriv for counter mode of aes-256-ctr
(node:2087) Warning: Use Cipheriv for counter mode of aes-256-ctr
(node:2087) Warning: Use Cipheriv for counter mode of aes-256-ctr
(node:2087) Warning: Use Cipheriv for counter mode of aes-256-ctr
(node:2087) Warning: Use Cipheriv for counter mode of aes-256-ctr
(node:2087) Warning: Use Cipheriv for counter mode of aes-256-ctr
(node:2087) Warning: Use Cipheriv for counter mode of aes-256-ctr
(node:2087) Warning: Use Cipheriv for counter mode of aes-256-ctr
(node:2087) Warning: Use Cipheriv for counter mode of aes-256-ctr
[command]/usr/bin/jarsigner -keystore /Users/runner/runners/2.171.1/work/1/s/.certs/keystore.jks -storepass *** -keypass *** -verbose -sigalg SHA256withRSA -digestalg SHA-256 -signedjar /Users/runner/runners/2.171.1/work/1/s/xxxx.aab /Users/runner/runners/2.171.1/work/1/s/xxxx-Signed.aab.unsigned ***
jarsigner error: java.security.SignatureException: private key algorithm is not compatible with signature algorithm
##[error]Error: /usr/bin/jarsigner failed with return code: 1
##[error]Return code: 1

[cantide5ga]

Any updates or workarounds?

@winnie @elamalani

EDIT
I'll try my luck with support because I feel like this is a bug, not a feature request. Removing -sigalg and -digestalg options from the jarsigner as suggested in OP seems like the way to go.

There might be some security implications that I'm not thinking of, but without explicitly setting these the default behavior is based on the algorithm used when originally generating the key.

[King-of-Spades]

Hi, I'm asking our product group if they can take another look at this to see if it's correctly classified as a feature request, or if it should be converted to a bug.

Tracking ID - AzDO 82591

[King-of-Spades]

~Unfortunately our product group has determined that this should still be treated as a feature request for the following reasons~

• ~The limitation isn't a change/regression on our side.~
• ~The work required for the upgrade is relatively larger than a typical bug fix would be.~
• ~There are only a small amount of upvotes on this so far.~

~It seems like the most likely scenario for this to be escalated is if more votes are received.~

Edit per the current work on this.
Tracking ID - AzDO 83446

[MouthOfMadness]

@King-of-Spades Security exploits should be a higher priority, there might not be many upvotes because it's a simple information text in the task and not flagged as a warning or error text.

From the task:

Warning:
The signer's certificate is self-signed.
The MD5withRSA algorithm specified for the -sigalg option is considered a security risk

[cantide5ga]

I also want to highlight that I think there are two aspects to this. The security aspect should be enough to take this on, but for my team (and what I'm guessing is blocking in @tuyen-vuduc 's comment) the options for signing are causing problems for those builds that use an upload key that don't use those algorithms.

Only mentioning because I took the problem to support and they kept circling back on this Github issue. FWIW one thing we considered was owning the building step on our own CI/CD with more secure tooling and configuration, using App Center mostly for automated distribution.

Ultimately we've moved on from App Center due to lack of workarounds on either aspect.

[rkops-bd]

Any information when this will be fixed in AppCenter?

[Bloodyairtimer]

As of Android 11 it's mandatory to use the APK signer (If you use the 30 SDK) as it will set some extra schemes "APK Signature Scheme v2 now required"
https://developer.android.com/about/versions/11/behavior-changes-11#minimum-signature-scheme

As for public apps this won't be a problem if you upload the AAB to the Google Play Store, but for apps that will be distributed via AppCenter or any other environment (Mobile Iron, etc.) this won't work.

I tried to do some resigning after the Android build (post-buildscript) but it seems that the variables are not available with the keystore alias, user & password. Is that correct?

From my perspective this issue should get some more attention as right now we are forced to stay on the Android 29 sdk and is this currently delaying our app improvements. (And no, i won't resign 30+ apps manually :) )

[chrisstaley]

@Bloodyairtimer Agreed. This is going to become a much bigger issue in the coming weeks as more and more folks begin moving to Android 11.

@King-of-Spades, let's get this knocked out. The MSBuild properties for this were released a year ago. It's time AppCenter honored them.

[kvmw]

given that Android 11 is already released, above fix is urgent need for those who need to support android 11. otherwise users with Android 11 won't be able to use appcenter to install apps.

[anhvun]

Also can replicate this issue, after testing creating a barebones android application with kotlin via android studio.
If built with v2 APK signed on local on machine, and then uploading it to appcenter by creating a new release, app installs and runs on both android 11 and android 10 devices succesfully. (Because it was signed with v2 locally)

However when trying to build and sign the app through appcenter (same signature file, same credentials) (from same code from same repo), and then trying to install the app to both android 11 and android 10 devices from appcenter, on android 11 it fails.
The error in the background is something like:
com.android.server.pm.PackageManagerException: No signature found in package of version 2 or newer for package com.test.testandroidapp.

[winnie]

Hey all - apologies for the delay. Our team is actively looking into this. We'll get back to you as soon as we have an estimated target date.

[pmahend1]

@winnie Android 11 has been released , we developers need to support distribution of the apps. Since we rely on AppCenter for that , when we don't have the fix available it leaves us questioning why there is no solution provided. It should take less than couple of days to make this change and may be few days for testing and then release. We still haven't heard even when this will be addressed. All this makes me feel should I have just relied on Azure DevOps pipelines .

The solution is straight forward.

• Build the Android App as it was from MsBuild
• Download latest bundle tool from github
• Sign the build file apk/aab with the bundletool just downloaded.
• It will produce a archive file with .apks extension.
• Unzip the archive
• pick the *.apk file and distribute with the appcenter API( release notes , build version tasks all being as-is)

I was able to do this from pipeline but the version number doesn't change , it always remains same. That is a whole different issue.

If you at least give us an approximate ETA then we will be in place to understand how long we will have to rely on alternatives.

[Bloodyairtimer]

@winnie it's been 3 weeks without any update. Is there any ETD to share?

[MouthOfMadness]

@Bloodyairtimer
I had the same problem with my apk not working in appcenter and I couldn't make the new jar files work in a pipeline. So here's what I did to work around the problem. After I signed the apk file, I had to run the zipalign tool as an additional task, this is what my yaml looks like.

• task: AndroidSigning@2
  displayName: "align and sign"
  inputs:
  apkFiles: '$(outputDirectory)/*.apk'
  jarsign: true
  jarsignerKeystoreFile: 'mykey.keystore'
  jarsignerKeystorePassword: '$(keystorePassword)'
  jarsignerKeystoreAlias: 'myalias'
  jarsignerKeyPassword: '$(keyPassword)'
  zipalign: true

ADD THIS TASK

• task: CmdLine@2
  displayName: "zipalign'
  inputs:
  workingDirectory: $(outputDirectory)
  script: |
  "C:/Program Files (x86)/Android/android-sdk/build-tools/29.0.2/zipalign.exe" -p 4 input.apk output.apk

I chose the build tool version 29.0.2 arbitrarily, there are many versions to choose from and you'll need to decide which version is best for your application.

It should be noted that this is a DevOps pipeline.

[ignasbagdonas]

I have this issue too. Our QA with Android 11 can't install apk anymore since we targeting Android API 30. This should be fixed asap.

[MouthOfMadness]

@ignasbagdonas we upgraded to api 29 and experienced the issue on app center but adding the zipalign.exe task fixed that, you'll probably want to use build-tools/30.x.x.

This isn't an appcenter issue, we had the same problem from our build's artifact folder. The funny part, is it works correctly from the internal test track of the google play store. I speculate that they're running the zipalign command on the play store.

[ignasbagdonas]

@MouthOfMadness I'm using Xamarin Android project. There is nothing what I can change. Build configuration in AppCenter is pretty simple, sign build or not. That's it.

[MouthOfMadness]

@ignasbagdonas We're using the xamarin android/ios project and I haven't used appcenter as a build mechanism so I'm not familiar with it's pipeline abilities. The zipalign came after we signed it. I recall reading that if you use the jarsigner, then use the zipalign after it's signed; if your you using the apksigner, then run zipalign first followed by the apksigner.

After you build it, download it and try running the zipalign from your desktop's cmd prompt, that's how we first solved it.

[pmahend1]

ZipAlign is not needed, neither the use of previous version of build tools. Use the steps I have mentioned above.

[MouthOfMadness]

@pmahend1 are you referring to these steps? https://github.com/google/bundletool/releases

it wasn't clear to me how I could incorporate this into a devops yaml build

[ignasbagdonas]

@pmahend1 We're paying for AppCenter subscription. Doing 5-15 builds a day. I don't want any manual work here. It should go as it is.

[pmahend1]

@ignasbagdonas We are also paying but AppCenter team is reluctant to solve this ASAP. I was told they don't have ETA for this as they are working on stabilizing AppCenter and this is feature request. Hence I ended up creating Azure pipeline, that took less than a day.

This might have been a feature request when the issue was raised. Not anymore. This should be termed as major bug now that we have Android 11.

@MouthOfMadness

After the Android build add these steps

• Download bundletool Invoke-WebRequest -Uri "https://github.com/google/bundletool/releases/download/1.3.0/bundletool-all-1.3.0.jar" -OutFile bundletool.jar

• Then sign APK as mentioned here https://developer.android.com/studio/command-line/bundletool

java -jar bundletool.jar build-apks --bundle=/MyApp/my_app.aab --output=/MyApp/my_app.apks --ks=/MyApp/keystore.jks --ks-pass=pass:KeyStore_Password --ks-key-alias=MyKeyAlias --key-pass=pass:Key_Password --mode=universal

• Then unzip this .

Expand-Archive -LiteralPath "path-of-apks-file" -DestinationPath "give-path"

Extracted contents will have file named universal.apk

• Use AppCenter release task to publish it through AppCenter.

I had referred this : https://www.geekdashboard.com/extract-apk-files-from-aab/

I just found someone has blog as an alternative with slightly different steps https://damienaicheh.github.io/xamarin/azure/devops/2020/05/05/universal-apk-from-aab-with-azure-devops-en.html

[King-of-Spades]

Hi, I have a quick update that it looks like didn't get passed along as early as it should have. The current timeline for this to be released is end of this month (November 2020).

I don't know at this time if that estimate is likely to move up, stay the same, or get pushed back. I have highlighted your feedback internally though, sorry for the long wait and frustration here.

[johanlunds]

A workaround that worked for me was removing the keystore file from AppCenter and using these settings:

And:

android {
    signingConfigs {
        releaseSigningConfig {
            storeFile rootProject.file("app/testapp.jks")
            storePassword System.getProperty("APPCENTER_KEYSTORE_PASSWORD")
            keyAlias System.getProperty("APPCENTER_KEY_ALIAS")
            keyPassword System.getProperty("APPCENTER_KEY_PASSWORD")
        }
    }

    buildTypes {
        release {
            signingConfig signingConfigs.releaseSigningConfig
        }
    }
}

[elkinjosetm]

A workaround that worked for me was removing the keystore file from AppCenter and using these settings:

And:

android {
    signingConfigs {
        releaseSigningConfig {
            storeFile rootProject.file("app/testapp.jks")
            storePassword System.getProperty("APPCENTER_KEYSTORE_PASSWORD")
            keyAlias System.getProperty("APPCENTER_KEY_ALIAS")
            keyPassword System.getProperty("APPCENTER_KEY_PASSWORD")
        }
    }

    buildTypes {
        release {
            signingConfig signingConfigs.releaseSigningConfig
        }
    }
}

This workaround means the Keystore needs to be included/shared in the repository of the project, which is not precisely a good thing to do, because it's basically the "password" for you to sign your personal app for the Google PlayStore.

Personally I prefer to upload the build manually to AppCenter, like I've been doing while AppCenter update the signing process. I'm aware that it won't apply for every team/project that might have multiple apps in AppCenter.

[elkinjosetm]

Unless AppCenter provide a way to also make the Keystore available as an ENV variable or something in compile time, like it happen with the keystore_password and the alias. 🤔

[King-of-Spades]

I got an update this morning from the product team. The basic feature has been created but they're still working on final testing and backwards compatibility.

Current ETA is next week. Unfortunately, that means it's already going to miss our prior target (end of November, e.g. today). I still can't predict with complete certainty but since there's less to finish I suspect further delays would be smaller if they even occur.

[elkinjosetm]

@King-of-Spades What's the current ETA for the fix?

[King-of-Spades]

@elkinjosetm Thanks for asking, the filed issue is currently labeled with a target date for today, but as it's not out yet I'm assuming there's still some delay. I left a message asking if there's a fresh ETA and if there's any other details I can provide for you folks.

I'm setting a reminder beginning of next week to ping internally directly on that. I'd love to see this out yesterday.

[King-of-Spades]

ETA has been moved to this Friday, the 18th, though I'm not seeing any other details yet.

[craiglp]

Banner now appearing on build screens:

We now support APK Signature Scheme v2. Re-upload your keystore file to activate it.

[King-of-Spades]

@craiglp Yup! The feature is active as of ~12:46 PM UTC, about 3 hours ago.

[elkinjosetm]

Yes, I just confirm it's working for me now. Thanks you!

[tobiasfrantsen]

When I try to upload the keystore again on Appcenter I got this error:

Verification FAILED

[error]Error: The process '/Users/runner/Library/Android/sdk/build-tools/30.0.3/zipalign' failed with exit code 1

Others who experience it?

[King-of-Spades]

Verification FAILED

[error]Error: The process '/Users/runner/Library/Android/sdk/build-tools/30.0.3/zipalign' failed with exit code 1

@tobiasfrantsen I haven't seen that one in my recent tests. I even tried intentionally breaking the signing in a few ways but also couldn't figure out how to reproduce it. It looks like there's a couple support tickets our team is looking at internally, that are also correlated with the timing of this release. I haven't seen a solution there yet, but they can be reached by logging into App Center and selecting ? > Contact Support

There is an old issue with that error message here: https://github.com/microsoft/azure-pipelines-tasks/issues/10574, it was closed back on May 8th. However, a quick skim of the details...it's not clear to me if the devs who encountered the error isolated the cause to a single behavior.

If you do open a support ticket, some quick details I'd recommend providing:

1. Was the build previously working (for non-Android 11)?
2. Did you make any setting changes besides the signing update?
3. Does it work locally / other troubleshooting from this guide: https://docs.microsoft.com/en-us/appcenter/build/troubleshooting/build-failed
4. A link to the affected build, and comparison builds if some work or used to work.

[JulianEzequiel]

Having the same issue here! Since yesterday, I re-upload my Keystore (as AppCenter suggests) and the builds are failing.

[hannta]

Im also affected. No code changes, just re-uploaded keystore and now the build is failing with zipalign error.

[kyhemant19]

facing same issue, just re uploaded keystrore, but facing build failed with zipalign error.
Verification FAILED

[error]Error: The process '/Users/runner/Library/Android/sdk/build-tools/30.0.3/zipalign' failed with exit code 1

[logicallayer]

I'm having same issue, out of nowhere build stopped building since that v2 message popped out.

Reported the issue few days ago, authorized to run in debug mode but haven't heard back since.

Hopefully it gets fixed soon caused a lot of pain thinking it was an issue on our side.

Verification FAILED
##[error]Error: The process '/Users/runner/Library/Android/sdk/build-tools/30.0.3/zipalign' failed with exit code 1

[miroslavmatovic]

Can you please provide more specifics of your apps and build configurations where this issue occurs, so that we can test those scenarios? (e.g. platform, build configuration, like is it bundle etc., or appId)

[kyhemant19]

Platform- Kotlin
Build config- compile sdk version-30, build tools version 30.0.3
Min sdk version-23
Target sdk version-30
appid-cd1ca6b5-424f-4d13-875e-37d93276fa44
On Mon, 21 Dec, 2020, 3:28 pm miroslavmatovic, [e-mail]
wrote:

Can you please provide more specifics of your apps and build
configurations where this issue occurs, so that we can test those
scenarios? (e.g. platform, build configuration, like is it bundle etc., or
appId)

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[JulianEzequiel]

Same config as kyhemant19 here.

[azakharenka1]

Got same issue with '/Users/runner/Library/Android/sdk/build-tools/30.0.3/zipalign' failed with exit code 1
Reproduced it locally - as a temp fix you could run zipalign command 2 times:

/Users/alex/Library/Android/sdk/build-tools/30.0.3/zipalign -v 4 /Users/alex/nofo-android/app/build/outputs/apk/dev/app-dev-unsigned.apk /Users/alex/nofo-android/app/build/outputs/apk/dev/app-temp.apk fail here
And
/Users/alex/Library/Android/sdk/build-tools/30.0.3/zipalign -v 4 /Users/alex/nofo-android/app/build/outputs/apk/dev/app-temp.apk /Users/alex/nofo-android/app/build/outputs/apk/dev/app.apk Success

[miroslavmatovic]

@kyhemant19, @JulianEzequiel , @logicallayer I was experimenting with configuring Kotlin app and discovered that this error happens when using gradle plugin version 4.1.0+ (in your app's build.gradle file). If you can set version to 4.0.0, this zipalign error shouldn't happen. Can you try and see if it helps?
dependencies { classpath "com.android.tools.build:gradle:4.0.0" }

[kyhemant19]

thanks for the resolution, its working with
dependencies {
classpath "com.android.tools.build:gradle:4.0.0"
}
but when can we except this issue to be fixed so that we can use latest gradle.

[JulianEzequiel]

It's working here too. But, as kyhemant19 mentioned, it will be good if we know why and when this will be fixed. Thanks!!

[logicallayer]

This isn't good workaround for us as it created dataBinding error when we changed the version to 4.0.0

Any other workarounds?

[pmahend1]

I am guessing if AppCenter is calling zipalign after running apksigner. Per the documentation it has to be called on unsigned apk not signed one.
if jarsigner is used then zipalign comes after running jarsigner i.e. on signed apk.
it would be helpful if we get implementation code of new AppCenter pipeline and the stack trace for of the error.

[pmahend1]

As mentioned on another issue linked, zipalign is no more required. I would just use bundletool.jar as opposed to zipalign+apksigner(I think that's what AppCenter is using now for v2 signing)

My approach is mentioned above.

[rddewan]

unable to build after Re-upload your keystore file

##[section]Starting: Build
##[section]Starting: Initialize job
Agent name: 'Hosted Agent'
Agent machine name: 'Mac-1608722571125'
Current agent version: '2.179.0'
##[group]Operating System
Mac OS X
10.15.7
19H15
##[endgroup]
##[group]Virtual Environment
Environment: macos-10.15
Version: 20201212.1
Included Software: https://github.com/actions/virtual-environments/blob/macOS-10.15/20201212.1/images/macos/macos-10.15-Readme.md
##[endgroup]
Current image version: '20201212.1'
Agent running as: 'runner'
Prepare build directory.
Set build variables.
Download all required tasks.
Downloading task: PowerShell (2.179.1)
Downloading task: ShellScript (2.165.2)
Downloading task: Gradle (1.128.0)
Downloading task: AndroidSigning (3.179.1)
Downloading task: AndroidSigning (1.122.0)
Downloading task: CopyFiles (2.178.0)
Downloading task: PublishBuildArtifacts (1.158.3)
Downloading task: AppCenterDistribute (3.173.0)
Checking job knob settings.
   Knob: AgentToolsDirectory = /Users/runner/hostedtoolcache Source: ${AGENT_TOOLSDIRECTORY} 
Finished checking job knob settings.
Start tracking orphan processes.
##[section]Finishing: Initialize job
##[section]Starting: Sign APK
==============================================================================
Task         : Android signing
Description  : Sign and align Android APK files
Version      : 3.179.1
Author       : Microsoft Corporation
Help         : https://docs.microsoft.com/azure/devops/pipelines/tasks/build/android-signing
==============================================================================
##[section]Finishing: Sign APK
##[section]Starting: Checkout EasyHR-Android@release to s
==============================================================================
Task         : Get sources
Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.


BUILD SUCCESSFUL in 4m 5s
104 actionable tasks: 103 executed, 1 up-to-date
##[section]Finishing: Gradle Task
##[section]Starting: Android Postprocess
==============================================================================
Task         : Shell script
Description  : Run a shell script using Bash
Version      : 2.165.2
Author       : Microsoft Corporation
Help         : https://docs.microsoft.com/azure/devops/pipelines/tasks/utility/shell-script
==============================================================================
[command]/bin/bash /Users/runner/runners/2.179.0/scripts/android-postprocess.sh /Users/runner/work/1/s/app/build/outputs/apk
Removing all ABI or density dependent APKs…
Found        1 APK file(s)
Found        0 unaligned APK file(s)
Removing "-unsigned" from affected APKs…
~/work/1/s/app/build/outputs ~/runners/2.179.0/scripts
~/runners/2.179.0/scripts

##[section]Async Command Start: Add Build Tag
Build '52' has following tags now: normal, signed, android, android-app-bundle, mapping, distribution, manual
##[section]Async Command End: Add Build Tag
##[section]Finishing: Android Postprocess
##[section]Starting: Sign APK
==============================================================================
Task         : Android signing
Description  : Sign and align Android APK files
Version      : 3.179.1
Author       : Microsoft Corporation
Help         : https://docs.microsoft.com/azure/devops/pipelines/tasks/build/android-signing
==============================================================================
[command]/Users/runner/Library/Android/sdk/build-tools/30.0.3/zipalign -v 4 /Users/runner/work/1/s/app/build/outputs/apk/release/app-release.apk.unaligned /Users/runner/work/1/s/app/build/outputs/apk/release/app-release.apk
Verifying alignment of /Users/runner/work/1/s/app/build/outputs/apk/release/app-release.apk (4)...
      57 res/layout/test_toolbar.xml (OK - compressed)
     348 META-INF/screenshotty-rx-lib_release.kotlin_module (OK - compressed)
     481 res/drawable-ldpi-v4/ic_default_album_image.png (BAD - 1)
    1634 res/drawable-ldpi-v4/ic_subtitle_off.png (BAD - 2)
    1923 res/interpolator/btn_checkbox_checked_mtrl_animation_interpolator_0.xml (OK - compressed)
    2195 res/drawable-xxhdpi-v4/abc_ic_star_half_black_16dp.png (BAD - 3)
    2576 res/color/material_on_primary_disabled.xml (OK - compressed)
    2881 res/drawable-hdpi-v4/media_session_service_notification_ic_play.png (BAD - 1)
    3227 res/drawable/common_google_signin_btn_icon_dark_normal.xml (OK - compressed)
    3559 META-INF/androidx.media2_media2-common.version (OK - compressed)
    3653 META-INF/androidx.navigation_navigation-fragment.version (OK - compressed)
    3739 res/drawable-anydpi-v24/ic_mopub_skip_button.xml (OK - compressed)
    4523 res/color-v23/abc_btn_colored_text_material.xml (OK - compressed)
    4831 res/drawable-xxxhdpi-v4/ic_check.png (BAD - 3)
    5202 res/drawable/notification_bg_low.xml (OK - compressed)
    5536 res/drawable-xhdpi-v4/abc_ic_star_black_48dp.png (OK)
    6490 res/drawable-xxhdpi-v4/ic_help.png (BAD - 2)
    7429 res/layout/preference.xml (OK - compressed)
    8380 res/drawable-anydpi-v21/ic_action_up.xml (OK - compressed)
    8865 res/drawable-ldpi-v4/media_session_service_notification_ic_skip_to_previous.png (BAD - 1)
    9136 res/animator/mtrl_extended_fab_hide_motion_spec.xml (OK - compressed)
    9555 res/drawable/abc_list_selector_background_transition_holo_light.xml (OK - compressed)
    9842 res/color/abc_primary_text_disable_only_material_dark.xml (OK - compressed)
   10123 res/layout/tool_bar.xml (OK - compressed)
   10557 res/mipmap-hdpi-v4/ic_launcher.png (BAD - 1)
   13577 res/drawable-mdpi-v4/ic_forward_30.png (BAD - 1)
   13970 META-INF/androidx.customview_customview.version (OK - compressed)
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   14614 META-INF/com.google.firebase-firebase-crashlytics-ktx.kotlin_module (OK - compressed)
   14745 res/drawable-hdpi-v4/ic_chevron_left.png (BAD - 1)
   14957 res/drawable-hdpi-v4/ic_action_menu.png (BAD - 1)
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   17767 META-INF/commons-base_release.kotlin_module (OK - compressed)
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   18860 res/xml/network_security_config.xml (OK - compressed)
   19156 META-INF/androidx.room_room-runtime.version (OK - compressed)
   19260 res/drawable-hdpi-v4/abc_tab_indicator_mtrl_alpha.9.png (OK)
   19528 res/drawable/abc_cab_background_top_material.xml (OK - compressed)
   19803 res/drawable-xxhdpi-v4/media_session_service_notification_ic_play.png (BAD - 3)
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   24761 play-services-places-placereport.properties (OK - compressed)
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   25159 res/drawable-xhdpi-v4/check_in_active.png (BAD - 3)
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   28733 META-INF/okio.kotlin_module (OK - compressed)
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   29341 META-INF/androidx.browser_browser.version (OK - compressed)
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   33541 META-INF/androidx.legacy_legacy-support-core-ui.version (OK - compressed)
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   33840 res/layout/activity_splash.xml (OK - compressed)
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   38630 res/drawable-xxhdpi-v4/ic_unsuccess.png (BAD - 2)
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   43105 META-INF/anko-sdk27-coroutines_release.kotlin_module (OK - compressed)
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   49799 res/drawable-anydpi-v24/ic_replay_circle_filled.xml (OK - compressed)
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   52091 res/layout/activity_login.xml (OK - compressed)
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   54886 META-INF/androidx.activity_activity-ktx.version (OK - compressed)
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   55855 res/layout/text_view_without_line_height.xml (OK - compressed)
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   67656 res/layout/design_navigation_item_header.xml (OK - compressed)
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   68300 res/layout/preference_widget_seekbar_material.xml (OK - compressed)
   69453 res/mipmap-xxhdpi-v4/ic_launcher_round.png (BAD - 1)
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   92058 res/color/material_on_surface_emphasis_high_type.xml (OK - compressed)
   92336 res/color/mtrl_filled_background_color.xml (OK - compressed)
   92715 res/layout/md_listitem_multichoice.xml (OK - compressed)
   93085 firebase-measurement-connector.properties (OK - compressed)
   93212 res/drawable/tooltip_frame_light.xml (OK - compressed)
   93528 META-INF/androidx.slidingpanelayout_slidingpanelayout.version (OK - compressed)
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   94175 res/xml/image_picker_provider_paths.xml (OK - compressed)
   94408 res/drawable/material_ic_menu_arrow_down_black_24dp.xml (OK - compressed)
   94809 META-INF/kotlin-stdlib.kotlin_module (OK - compressed)
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   98013 res/drawable/common_google_signin_btn_text_light_normal.xml (OK - compressed)
   98372 res/color/material_on_background_emphasis_high_type.xml (OK - compressed)
   98647 res/layout/preference_widget_switch.xml (OK - compressed)
   98981 res/drawable-hdpi-v4/ic_mopub_skip_button.png (BAD - 1)
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  110740 res/color/mtrl_tabs_ripple_color.xml (OK - compressed)
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  118034 META-INF/rxbinding_release.kotlin_module (OK - compressed)
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  120437 firebase-common-ktx.properties (OK - compressed)
  120575 res/drawable-mdpi-v4/abc_popup_background_mtrl_mult.9.png (BAD - 3)
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  122302 res/layout/design_bottom_navigation_item.xml (OK - compressed)
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  139544 res/drawable-hdpi-v4/tg_logo.jpg (OK)
  147430 res/drawable/abc_ic_clear_material.xml (OK - compressed)
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  148565 res/drawable/botton_nav_text_color.xml (OK - compressed)
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  149403 res/drawable/material_ic_clear_black_24dp.xml (OK - compressed)
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  150261 res/layout/abc_alert_dialog_material.xml (OK - compressed)
  151107 res/drawable/md_item_selected_dark.xml (OK - compressed)
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  154434 res/color/material_on_background_disabled.xml (OK - compressed)
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  157118 res/animator/mtrl_fab_hide_motion_spec.xml (OK - compressed)
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  159306 res/animator-v21/design_appbar_state_list_animator.xml (OK - compressed)
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  161320 res/drawable-xhdpi-v4/abc_textfield_default_mtrl_alpha.9.png (OK)
  161580 res/drawable-xhdpi-v4/ic_action_edit.png (OK)
  161915 res/anim/btn_radio_to_on_mtrl_ring_outer_animation.xml (OK - compressed)
  162420 res/drawable-mdpi-v4/abc_ic_star_black_16dp.png (OK)
  162683 res/navigation/attendance_navigation.xml (OK - compressed)
  163087 res/layout/preference_dialog_edittext.xml (OK - compressed)
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  164552 res/drawable-anydpi-v21/ic_action_clock.xml (OK - compressed)
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  165784 res/drawable-xxxhdpi-v4/easyhr_logo.png (OK)
  181427 res/interpolator-v21/mtrl_fast_out_linear_in.xml (OK - compressed)
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  181979 res/layout/mtrl_alert_dialog_title.xml (OK - compressed)
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  184112 res/anim/abc_slide_out_bottom.xml (OK - compressed)
  184408 res/drawable-anydpi-v21/md_nav_back.xml (OK - compressed)
  184821 META-INF/androidx.legacy_legacy-support-v4.version (OK - compressed)
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  187515 res/navigation/navigation_base.xml (OK - compressed)
  188570 res/drawable-mdpi-v4/ic_sd.png (BAD - 2)
  188808 res/animator/nav_default_enter_anim.xml (OK - compressed)
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  190616 META-INF/androidx.versionedparcelable_versionedparcelable.version (OK - compressed)
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  191176 res/color/mtrl_text_btn_text_color_selector.xml (OK - compressed)
  191580 res/drawable-v21/abc_dialog_material_background.xml (OK - compressed)
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  192357 META-INF/activity-ktx_release.kotlin_module (OK - compressed)
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  195820 META-INF/attendance_release.kotlin_module (OK - compressed)
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  196856 res/drawable-xxhdpi-v4/ic_chevron_left.png (OK)
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  197562 res/color/material_on_surface_emphasis_medium.xml (OK - compressed)
  197852 res/drawable-xhdpi-v4/abc_list_longpressed_holo.9.png (OK)
  198129 firebase-encoders-json.properties (OK - compressed)
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  290496 res/drawable/abc_text_cursor_material.xml (OK - compressed)
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  292333 res/drawable-xxxhdpi-v4/abc_ic_star_black_16dp.png (BAD - 1)
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  293314 res/drawable-ldrtl-xhdpi-v17/abc_ic_menu_copy_mtrl_am_alpha.png (BAD - 2)
  293560 res/layout/test_design_radiobutton.xml (OK - compressed)
  293972 res/drawable/notification_tile_bg.xml (OK - compressed)
  294212 res/color/mtrl_chip_surface_color.xml (OK - compressed)
  294463 res/layout/abc_list_menu_item_layout.xml (OK - compressed)
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  295891 res/layout/text_view_with_line_height_from_layout.xml (OK - compressed)
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  296504 res/layout/abc_list_menu_item_radio.xml (OK - compressed)
  296868 META-INF/appcompatV7-base_release.kotlin_module (OK - compressed)
  297004 res/drawable-xxhdpi-v4/tg_logo.jpg (OK)
  317440 res/drawable-mdpi-v4/abc_ab_share_pack_mtrl_alpha.9.png (OK)
  317771 res/color/mtrl_chip_text_color.xml (OK - compressed)
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  318450 res/color/abc_hint_foreground_material_dark.xml (OK - compressed)
  318787 res/xml/standalone_badge_gravity_bottom_end.xml (OK - compressed)
  319108 META-INF/java.com.google.android.libraries.firebase.firebase_analytics_ktx_granule.kotlin_module (OK - compressed)
  319251 res/drawable-xxhdpi-v4/ic_action_log.png (BAD - 3)
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  320100 res/drawable-hdpi-v4/ic_people.png (OK)
  320544 res/menu/bottom_navigation.xml (OK - compressed)
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  321227 res/drawable-xxhdpi-v4/ic_location.png (BAD - 3)
  322074 res/anim/btn_checkbox_to_unchecked_box_inner_merged_animation.xml (OK - compressed)
  322808 res/drawable-xhdpi-v4/ic_fullscreen_exit.png (OK)
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 6422093 res/drawable/bottom_sheet_rounded.xml (OK - compressed)
 6422441 res/anim/btn_checkbox_to_checked_box_inner_merged_animation.xml (OK - compressed)
 6423179 res/drawable-hdpi-v4/abc_list_selector_disabled_holo_dark.9.png (BAD - 3)
 6423494 res/drawable-xhdpi-v4/abc_btn_check_to_on_mtrl_015.png (BAD - 2)
 6424002 res/drawable-xxhdpi-v4/ic_skip_previous.png (BAD - 2)
 6424578 res/drawable-xxhdpi-v4/abc_textfield_activated_mtrl_alpha.9.png (BAD - 2)
 6424867 META-INF/androidx.annotation_annotation-experimental.version (OK - compressed)
 6424970 res/drawable/btn_checkbox_checked_to_unchecked_mtrl_animation.xml (OK - compressed)
 6425345 lib/armeabi-v7a/libpl_droidsonroids_gif.so (OK - compressed)
 6449440 res/color/material_slider_inactive_track_color.xml (OK - compressed)
 6449763 res/drawable/design_fab_background.xml (OK - compressed)
 6450021 res/drawable-xxhdpi-v4/ic_aspect_ratio.png (BAD - 1)
 6450351 res/layout/mtrl_calendar_months.xml (OK - compressed)
 6450661 res/layout/design_layout_tab_icon.xml (OK - compressed)
 6450972 res/anim-v21/design_bottom_sheet_slide_out.xml (OK - compressed)
 6451337 res/drawable-anydpi-v21/ic_people.xml (OK - compressed)
 6451931 res/xml/root_preferences.xml (OK - compressed)
 6452671 res/drawable-xxxhdpi-v4/abc_text_select_handle_right_mtrl_light.png (BAD - 3)
 6453255 res/layout/abc_screen_content_include.xml (OK - compressed)
 6453625 res/drawable/ic_mtrl_chip_checked_black.xml (OK - compressed)
 6454025 res/layout/attendance_zone_bottom_sheet_view.xml (OK - compressed)
 6454830 res/drawable-mdpi-v4/ic_sync.png (BAD - 2)
 6455165 res/drawable-hdpi-v4/notification_bg_normal_pressed.9.png (BAD - 1)
 6455459 res/drawable-mdpi-v4/ic_attendance.png (BAD - 3)
 6455850 res/color/mtrl_card_view_foreground.xml (OK - compressed)
 6456225 res/layout/mtrl_picker_dialog.xml (OK - compressed)
 6456758 res/layout/abc_alert_dialog_title_material.xml (OK - compressed)
 6457474 res/mipmap-hdpi-v4/ic_launcher_round.png (BAD - 2)
 6462784 res/drawable-xxhdpi-v4/abc_btn_switch_to_on_mtrl_00012.9.png (OK)
 6465687 res/drawable-xxhdpi-v4/ic_camera.png (BAD - 3)
 6466415 res/drawable-mdpi-v4/ic_location.png (BAD - 3)
 6466769 res/layout/text_view_with_line_height_from_style.xml (OK - compressed)
 6467071 res/color-v23/abc_tint_switch_track.xml (OK - compressed)
 6467431 res/xml/standalone_badge_gravity_bottom_start.xml (OK - compressed)
 6467693 res/drawable-hdpi-v4/ic_settings.png (BAD - 1)
 6468159 res/drawable-mdpi-v4/abc_scrubber_control_to_pressed_mtrl_000.png (BAD - 3)
 6468385 res/drawable/common_google_signin_btn_text_dark.xml (OK - compressed)
 6468714 res/animator/mtrl_chip_state_list_anim.xml (OK - compressed)
 6469176 res/drawable-xxhdpi-v4/ic_forward_30.png (OK)
 6470217 res/layout/select_dialog_singlechoice_material.xml (OK - compressed)
 6470731 META-INF/androidx.sqlite_sqlite.version (OK - compressed)
 6470804 res/drawable-anydpi-v21/ic_help.xml (OK - compressed)
 6471354 res/layout/design_navigation_item_separator.xml (OK - compressed)
 6471662 play-services-ads-lite.properties (OK - compressed)
 6471830 res/drawable-xhdpi-v4/common_google_signin_btn_text_light_normal_background.9.png (BAD - 2)
 6472721 res/drawable-xxhdpi-v4/ic_photo_camera_black_48dp.png (BAD - 1)
 6474459 res/layout/custom_add_zone_dialog.xml (OK - compressed)
 6475296 res/drawable-anydpi-v21/ic_forward_30.xml (OK - compressed)
 6476271 res/drawable-xxhdpi-v4/common_google_signin_btn_icon_dark_normal_background.9.png (BAD - 3)
 6477847 res/color/mtrl_chip_ripple_color.xml (OK - compressed)
 6478235 META-INF/base_release.kotlin_module (OK - compressed)
 6478419 res/drawable-xhdpi-v4/common_google_signin_btn_text_dark_normal_background.9.png (BAD - 3)
 6479573 res/layout/preference_recyclerview.xml (OK - compressed)
 6479970 res/drawable-mdpi-v4/media_session_service_notification_ic_pause.png (BAD - 2)
 6480161 res/drawable-xhdpi-v4/ic_chevron_right.png (BAD - 1)
 6480384 res/drawable-xxhdpi-v4/md_nav_back.png (OK)
 6480683 res/anim/fragment_close_enter.xml (OK - compressed)
 6481224 res/color/mtrl_choice_chip_background_color.xml (OK - compressed)
 6481631 res/drawable-xxxhdpi-v4/abc_ic_menu_paste_mtrl_am_alpha.png (BAD - 3)
 6482164 res/drawable-mdpi-v4/ic_action_sync.png (OK)
 6482528 res/layout/test_toolbar_custom_background.xml (OK - compressed)
 6482846 res/drawable-xhdpi-v4/ic_mopub_close_button.png (BAD - 2)
 6483940 play-services-basement.properties (OK - compressed)
 6484087 res/drawable-hdpi-v4/abc_text_select_handle_left_mtrl_dark.png (BAD - 3)
 6484453 res/drawable-xhdpi-v4/abc_scrubber_track_mtrl_alpha.9.png (BAD - 1)
 6484715 res/drawable-xhdpi-v4/ic_help.png (BAD - 3)
 6485380 res/drawable/abc_btn_default_mtrl_shape.xml (OK - compressed)
 6485833 play-services-stats.properties (OK - compressed)
 6485956 res/drawable-ldpi-v4/ic_aspect_ratio.png (OK)
 6486198 res/drawable-mdpi-v4/abc_btn_switch_to_on_mtrl_00001.9.png (BAD - 2)
 6487022 res/color-v23/abc_tint_btn_checkable.xml (OK - compressed)
 6487380 res/drawable-xhdpi-v4/abc_btn_check_to_on_mtrl_000.png (OK)
 6487720 res/drawable/ucrop_rotate.xml (OK - compressed)
 6488016 res/drawable-xxhdpi-v4/check_in_active.png (OK)
 6491913 firebase-crashlytics.properties (OK - compressed)
 6492029 res/anim/nav_default_exit_anim.xml (OK - compressed)
 6492365 res/drawable-hdpi-v4/abc_textfield_activated_mtrl_alpha.9.png (BAD - 1)
 6492635 res/drawable-xhdpi-v4/common_full_open_on_phone.png (BAD - 3)
 6493207 res/layout/notification_template_big_media_narrow.xml (OK - compressed)
 6493931 res/drawable-mdpi-v4/ic_add.png (BAD - 3)
 6494094 res/xml/standalone_badge_offset.xml (OK - compressed)
 6494392 res/drawable/abc_seekbar_tick_mark_material.xml (OK - compressed)
 6494715 res/drawable-hdpi-v4/notification_bg_normal.9.png (BAD - 3)
 6494997 res/drawable-ldpi-v4/ucrop_ic_angle.png (BAD - 1)
Verification FAILED
##[error]Error: The process '/Users/runner/Library/Android/sdk/build-tools/30.0.3/zipalign' failed with exit code 1
##[section]Finishing: Sign APK
##[section]Starting: Sign APK
==============================================================================
Task         : Android signing
Description  : Sign and align Android APK files
Version      : 3.179.1
Author       : Microsoft Corporation
Help         : https://docs.microsoft.com/azure/devops/pipelines/tasks/build/android-signing
==============================================================================
##[section]Finishing: Sign APK
##[section]Starting: Checkout EasyHR-Android@release to s
==============================================================================
Task         : Get sources
Description  : Get sources from a repository. Supports Git, TfsVC, and SVN repositories.
Version      : 1.0.0
Author       : Microsoft
Help         : [More Information](https://go.microsoft.com/fwlink/?LinkId=798199)
==============================================================================
Cleaning any cached credential from repository: EasyHR-Android (ExternalGit)
##[section]Finishing: Checkout EasyHR-Android@release to s
##[section]Starting: Finalize Job
Cleaning up task key
Start cleaning up orphan processes.
Terminate orphan process: pid (1378) (java)
Terminate orphan process: pid (1093) (java)
##[section]Finishing: Finalize Job
##[section]Finishing: Build

[pmahend1]

Looking at these zipalign is no more required as latest gradle plugin(AGP) aligns it internally , probably through zipflinger
So trying to align already aligned apk results in this error.

Solution is to omit zipalign I think. I was only able to find zipflinger in bundletool source code

https://github.com/microsoft/azure-pipelines-tasks/issues/13863
https://issuetracker.google.com/issues/162117652

[logicallayer]

The best course of action is by reverting the change that appcenter applied few days ago.

I noticed that it added zipalign verification command which is causing the issue.

[veeredra]

This Worked.
dependencies {
classpath "com.android.tools.build:gradle:4.0.0"
}

[murilokrugner]

here it works with:

dependencies {
classpath "com.android.tools.build:gradle:4.0.0"
}

thanks @veeredra

[ishaanverma]

Downgrading both the gradle plugin version to 4.0.0 and the gradle version in gradle/wrapper/gradle-wrapper.properties to 6.1.1 seemed to work for me.

[NasarIqbalTechswivel]

this solution also works me
dependencies {
classpath "com.android.tools.build:gradle:4.0.0"
}

[akar33]

I've tried changing the Gradle plugin version to 4.0.0 and Gradle itself to 6.1.1 but I still end with the same error.
`Verification FAILED

[error]Error: The process '/Users/runner/Library/Android/sdk/build-tools/30.0.3/zipalign' failed with exit code 1`

[maciejbadura]

I had to downgrade Gradle plugin to 3.5.4 and it works with Gradle 6.5 for me. Maybe this will help you @akar33.

[sarah541]

It was working fine until a few days back by downgrading gradle plugin version to 4.0.0. But again causing the same issues
The error I get is
Failure [INSTALL_PARSE_FAILED_NO_CERTIFICATES: Scanning Failed.: No signature found in package of version 2 or newer for package com.xyz.abc].
Is anybody experiencing this? When is App Center planning to fix this?

[hugo-advizr]

This is still a critical issue which blocks us from building the Android app. Can we get a status update and an ETA of when this is going to be solved? Thank you!

[logicallayer]

Hi Hugo-advizr,

The best workaround that got our team moving forward is to use build.gradle signing by checking the box on the appcenter that says "my gradle settings are entirely set to handle signing automatically"

this will enable you to use 4.1+

This is still a critical issue which blocks us from building the Android app. Can we get a status update and an ETA of when this is going to be solved? Thank you!

[hugo-advizr]

Thanks @logicallayer, unfortunately that requires the keystore to be commited into the git repo which isn't an option for us - even as a workaround.

[ac-apple-account]

@logicallayer since this is a v4.1+ issue, the ETA of it being solved depends on when Android gradle plugin 4.2 is released. It is currently in beta stage.
https://developer.android.com/studio/preview/features

[logicallayer]

@ac-apple-account Hi,

Why there is confidence that gradle 4.2 will fix the issue?

Or is it just a guess?

[miroslavmatovic]

@logicallayer that issue was mentioned here https://issuetracker.google.com/issues/162117652 and its planned for 4.2 gradle plugin release

[JamesMahy]

@logicallayer @miroslavmatovic @ac-apple-account I still have this issue with Gradle 4.0.0, so it's not a v4.1+ issue

[miroslavmatovic]

@JamesMahy the reported issue and workaround here are for using gradle plugin, not gradle.

[kpietrzak-web]

Facing same issue here after I've unselected _"My Gradle settings are entirely set to handle signing automatically"_ and tried to upload .jks and configure to sign my app with alias and passwords.

Maybe it could work with this option selected but I don't want to upload to repo my production configs.

[kpietrzak-web]

I think only good and still safe workaround is to set keystore, password and alias as env hidden variables on appcenter and then take it and save again to file in appcenter-post-clone.sh or appcenter-pre-build.sh. But it isn't nice solution at all.

[akar33]

Since my previous comment, I've moved away from letting AppCenter build our Android apps. The fact that this issue hasn't been addressed in so long does not provide any confidence that other issues that crop up in the future will be addressed timely. Issues like these ruin our workflow and we can't spend time coming up with workarounds for things that should be easily fixed.

[kevinboosten]

FWIW, I had the debuggable property set to true on my Android buildTarget that I was trying to build when getting this error:

`Verification FAILED

[error]Error: The process '/Users/runner/Library/Android/sdk/build-tools/30.0.3/zipalign' failed with exit code 1`

Changing it to false worked for me:

tst {
            debuggable false
            applicationIdSuffix = '.tst'
            matchingFallbacks = ['release']
    }

[Qwin]

so having also this error:
'/Users/runner/Library/Android/sdk/build-tools/30.0.3/zipalign' failed with exit code 1

I solved it by changing the minSDK, so we had minSDK: 23 and I changed it to minSDK: 21 and that did the trick. If I change it back again it fails again.. so WEIRD, please microsoft fix these issues.

Also I have another build with the same settings and that one always works it uses for some reason the build tools 24 instead of 30, the only difference is that I created the build earlier...

This all doesnt make sense, at least give us an option to select build tools!

[hasan9444]

any update on this..

[burya4ok]

Are someone working on that issue or not??

[MaurilioNovais]

For the problem with zipalign, i tried for a few hours to understand what was going on. As @pmahend1 said, the updated version of gradle uses zipflinger to build the app and appcenter tries to sign the app with zipalign, causing a conflict and causing the problem.

I was able to build the app with the updated gradle and buildToolsVersion versions by disabling the zipflinger, adding the following instruction according to the (documentation) in the gradle.properties file:

android.useNewApkCreator = false

With that, the process of building and signing the app was carried out successfully (with a keystore certificate being uploaded to the appcenter);

[burya4ok]

android.useNewApkCreator = false
It works on my project, Thanks a lot! @MaurilioNovais

[gustavopch]

I followed @MaurilioNovais's suggestion and the build started to crash with the following error:

[command]/Users/runner/Library/Android/sdk/build-tools/30.0.3/apksigner sign --ks /Users/runner/work/_temp/1199b1b3-f307-40da-8d35-67ee0fde8dfa --ks-pass pass:*** --ks-key-alias *** --key-pass pass:*** -verbose /Users/runner/work/1/s/apps/app/android/app/build/outputs/apk/release/app-release.apk
Failed to load signer "signer #1"
java.io.IOException: Keystore was tampered with, or password was incorrect
    at sun.security.provider.JavaKeyStore.engineLoad(JavaKeyStore.java:792)
    at sun.security.provider.JavaKeyStore$JKS.engineLoad(JavaKeyStore.java:57)
    at sun.security.provider.KeyStoreDelegator.engineLoad(KeyStoreDelegator.java:224)
    at sun.security.provider.JavaKeyStore$DualFormatJKS.engineLoad(JavaKeyStore.java:71)
    at java.security.KeyStore.load(KeyStore.java:1445)
    at com.android.apksigner.SignerParams.loadKeyStoreFromFile(SignerParams.java:353)
    at com.android.apksigner.SignerParams.loadPrivateKeyAndCertsFromKeyStore(SignerParams.java:239)
    at com.android.apksigner.SignerParams.loadPrivateKeyAndCerts(SignerParams.java:181)
    at com.android.apksigner.ApkSignerTool.getSignerConfig(ApkSignerTool.java:395)
    at com.android.apksigner.ApkSignerTool.sign(ApkSignerTool.java:316)
    at com.android.apksigner.ApkSignerTool.main(ApkSignerTool.java:88)
Caused by: java.security.UnrecoverableKeyException: Password verification failed
    at sun.security.provider.JavaKeyStore.engineLoad(JavaKeyStore.java:790)
    ... 10 more
##[error]Error: The process '/Users/runner/Library/Android/sdk/build-tools/30.0.3/apksigner' failed with exit code 2

:heavy_check_mark: Reuploading the keystore did the trick. It works now (I'm using Gradle Plugin 4.1.0).

[sukrit007]

I added android.useNewApkCreator = false, but still getting error
Verification FAILED

[error]Error: The process '/Users/runner/Library/Android/sdk/build-tools/30.0.3/zipalign' failed with exit code 1

My minSdkVersion = 27 . I have tried with 23 to 27, with no luck

[snios]

BUMP! You have the answer on how to solve this. Why not escalate it and just do it?

[gustavopch]

@sukrit007 I think I had that error too. After setting android.useNewApkCreator = false, remove your keystore from the build settings, and upload it again.

[iamandiradu]

@MaurilioNovais's fixed worked for me. Thanks!

[hannta]

After updating to Gradle plugin version 4.2.0, this issue is fixed at least on my app (no need to set android.useNewApkCreator = false etc).

[ngseba]

I can confirm that @hannta's solution worked! Thanks

[adrienrx]

@hannta 's solution worked for me too. 🚀 (thanks!)

• Gradle plugin to 4.2.1 (Gradle version to 6.7.1 (see android doc))
• compileSdkVersion to 30
• buildToolsVersion to 30.0.2

I had tried to remove and re-add my keystore too. (if the above doesn't help, try to remove and re-add your keystore and re-build)

[ERRicP]

In my case, I was using the Gradle Plugin 4.2.1 with Gradle 6.7.1, but still missing the APK Signatures. This started happening on the first build after I started targeting Android SDK 30.

I fixed it by:

1. Open the build configuration
2. Uncheck "Sign Builds"
3. Save
4. Open build configuration again
5. Re-check "Sign Builds", and add the keystore, passwords, alias back
6. Save and Build

It's possible that steps 2-5 were unnecessary.

[nicolgit]

I have the same issue here with a xamarin forms application I have to upgrade to Android 11 within next november (last month Google accept apk compiled for Android 10)

https://developer.android.com/distribute/best-practices/develop/target-sdk#pre11

any update?

[hannta]

@nicolgit Update to Gradle plugin 4.2.0 or later, problem solved?

[samnanduri]

I downgraded the SDK compile version to Android 10.0 (Q) and Target Android version to API Level 29 ( I had originally set it to Android 11.0 , API Level 30 ) .. And the apk distributed by AppCenter worked and didn't crash on the device

[netshade]

Also ran into this with latest react-native libs not being aligned correctly, previously we were uploading our KeyStore to the project. Adjusted by doing following:

Added 4 new environment variables to project, key store file, key store alias, key store password, key password. Key store file is the output of base64 ~/path/to/keystore/file.

In our appcenter-post-clone.sh, we decode the KeyStore file to a location via echo "${THE_KEY_STORE_FILE_ENV_VAR}" | base64 -d > /key/store/file/location

In our Gradle file, we now have something like this:

   signingConfigs {
        def releaseKeystore = file('/key/store/file/location')
        if(releaseKeystore.exists()){
            release {
                storeFile releaseKeystore
                storePassword System.getenv()["THE_KEY_STORE_PASS_WORD_ENV_VAR"]
                keyAlias System.getenv()["THE_KEY_STORE_ALIAS_ENV_VAR"]
                keyPassword System.getenv()["THE_KEY_PASS_WORD_ENV_VAR"]
            }
        } else {
           release {
             storeFile file('/some/dummy/keystore')
           }
        }
  }

and

  buildTypes {
    release {
      signingConfigs.release
    } 
  }

and then tell AppCenter that we manage the signing process in our Gradle file. Then, the APK is signed as you'd expect, and AppCenter won't bother with signing.

[scisammy]

@hannta answer worked for me

removing
android.useNewApkCreator = false
from gradle properties

and updating to Gradle plugin version 4.2.0, fixed my issue

[cleardemon]

Hit this problem recently with new shiny Android devices, using Xamarin.Android (not Gradle). My app has been set up in App Center for 2+ years, and then builds didn't work on Android 11. This does not apply to builds submitted to Google Play as Google will re-sign the app anyway via the .AAB, only to those APKs distributed via App Center.

In case anyone has the same problem, my solution was to remove any zipalign calls that had been in appcenter-post-build.sh (to solve previous issues) and re-upload the .keystore to the branch configuration (no need to generate a new one).

Previously, the build steps were running jarsigner, updating the saved keystore in the branch config changes the build to use apksigner. Result: all installs fine on Android 11 devices!