[alperozturk96]

Changes

• Converts to Kotlin
• Simplifies logic.
• Splits into smaller classes.
• Uses non-deprecated APIs such as coroutines instead async task.

How to test?

• Login via url
• Login via QR Code
• Login via deep link (debug login)
• Add account

🤖 AI (if applicable)

• The content of this PR was partly or fully generated using AI (N/A)

[github-actions]

📱 QA build

Download	app-qa-debug.apk
QR code	Open the QR code for this download
Commit	3fd412d
Version	17891
Available until	7 days after this build

The QA build installs alongside a released Nextcloud app, so you can keep
using your existing install while testing.

Downloading the file requires a GitHub account, so open this link on the
device you want to test on, or transfer the APK to it.

[github-actions]

Codacy

SpotBugs

Category	Base	New
Bad practice	24	24
Correctness	51	47
Dodgy code	148	147
Experimental	1	1
Malicious code vulnerability	1	1
Multithreaded correctness	20	20
Performance	28	28
Security	15	15
Total	288	283

[codecov]

Codecov Report

❌ Patch coverage is 12.11477% with 827 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...ud/android/authentication/AuthenticatorActivity.kt	16.53%	488 Missing and 37 partials ⚠️
...ud/android/authentication/loginflow/LoginFlowV2.kt	6.32%	72 Missing and 2 partials ⚠️
...authentication/status/AuthenticatorStatusMapper.kt	0.00%	61 Missing ⚠️
...ndroid/authentication/signup/SignupWebViewLogin.kt	0.00%	45 Missing ⚠️
...uthentication/account/AuthenticatorAccountStore.kt	0.00%	39 Missing ⚠️
...d/authentication/loginflow/LoginBrowserLauncher.kt	6.06%	31 Missing ⚠️
...roid/authentication/account/CredentialsVerifier.kt	0.00%	25 Missing ⚠️
...roid/authentication/loginurl/LoginDataUrlParser.kt	0.00%	16 Missing ⚠️
...roid/authentication/server/EnforcedServerPolicy.kt	0.00%	7 Missing ⚠️
...ud/android/authentication/DeepLinkLoginActivity.kt	0.00%	2 Missing ⚠️
... and 2 more

📢 Thoughts on this report? Let us know!

[daniele-verducci]

Hey Alper,
all the login modes works but not the QR login. It says Server not allowed.
Relevant logs:

2026-10-28 12:54:35.497 23278-23278 com.blikoo...ityHandler com.nextcloud.android.qa             D  Got auto-focus message
2026-10-28 12:54:35.891 23278-23278 com.blikoo...ityHandler com.nextcloud.android.qa             E  Got decode succeeded message
2026-10-28 12:54:35.899 23278-23278 QRScannerQRCodeActivity com.nextcloud.android.qa             D  Got scan result from user loaded image :nc://login/user:daniele.verducci@nextcloud.com&password:aXqkp-LqP6r-iJT8n-84JYy-t2PjC&server:https://daily.ltd2.nextcloud.com
2026-10-28 12:54:35.931 23278-23278 QrCodeActivity          com.nextcloud.android.qa             D  onPause() ending
2026-10-28 12:54:36.742 23278-23278 AuthenticatorActivity   com.nextcloud.android.qa             D  onStart() starting
2026-10-28 12:54:36.846 23278-23278 AuthenticatorActivity   com.nextcloud.android.qa             D  onResume() starting
2026-10-28 12:54:37.419 23278-23278 QrCodeActivity          com.nextcloud.android.qa             D  onStop() ending
2026-10-28 12:54:37.429 23278-23278 QrCodeActivity          com.nextcloud.android.qa             D  onDestroy() ending
2026-10-28 12:54:37.582 23278-24794 loud.android.q          com.nextcloud.android.qa             I  Background concurrent copying GC freed 12305(1100KB) AllocSpace objects, 45(13MB) LOS objects, 49% free, 11MB/23MB, paused 90us total 155.538ms
2026-10-28 12:54:37.585 23278-24796 MediaPlayer-JNI         com.nextcloud.android.qa             W  MediaPlayer finalized without being released
2026-10-28 12:54:40.800 23278-24834 OpenGLRenderer          com.nextcloud.android.qa             D  endAllActiveAnimators on 0x7062a49d00 (RippleDrawable) with handle 0x70de3dd580
2026-10-28 12:54:40.828   986-4190  InputDispatcher         system_server                        E  Window handle Window{f0232a9 u0 com.nextcloud.android.qa/com.owncloud.android.authentication.AuthenticatorActivity} has no registered input channel
2026-10-28 12:54:40.831 23278-23278 AuthenticatorActivity   com.nextcloud.android.qa             W  Login rejected, server is not allowed: https://daily.ltd2.nextcloud.com
2026-10-28 12:54:40.843   986-1006  InputDispatcher         system_server                        E  Window handle Window{f0232a9 u0 com.nextcloud.android.qa/com.owncloud.android.authentication.AuthenticatorActivity} has no registered input channel

Tried with two different instances, same result. Also tried to build the app from AS instead of using QR build just in case was related to package name, but same result.

[daniele-verducci]

all the login modes works but not the QR login. It says Server not allowed.

Update: this seems to happen randomly also on master, so it's not caused by this PR.