[url_launcher] please migrate your plugin to Built-in Kotlin

[under3415]

Steps to reproduce

Build app

Expected results

Clean output

Actual results

WARNING: Your app uses the following plugins that apply Kotlin Gradle Plugin (KGP): url_launcher_android

Future versions of Flutter will fail to build if your app uses plugins that apply KGP.

Please check the changelogs of these plugins and upgrade to a version that supports Built-in Kotlin.
If no such version exists, report the issue to the plugin. If necessary, here is a guide on filing
an issue against a plugin: https://docs.flutter.dev/release/breaking-changes/migrate-to-built-in-kotlin/for-app-developers#report-incompatible-kotlin-gradle-plugin-usage-to-plugin-authors

If you are a plugin author, please migrate your plugin to Built-in Kotlin using this guide: https://docs.flutter.dev/release/breaking-changes/migrate-to-built-in-kotlin/for-plugin-authors

Code sample

Example app

Screenshots or Video

Screenshots / Video demonstration

[Upload media here]

Logs

Logs

WARNING: Your app uses the following plugins that apply Kotlin Gradle Plugin (KGP):url_launcher_android

Future versions of Flutter will fail to build if your app uses plugins that apply KGP.

Please check the changelogs of these plugins and upgrade to a version that supports Built-in Kotlin.
If no such version exists, report the issue to the plugin. If necessary, here is a guide on filing 
an issue against a plugin: https://docs.flutter.dev/release/breaking-changes/migrate-to-built-in-kotlin/for-app-developers#report-incompatible-kotlin-gradle-plugin-usage-to-plugin-authors

If you are a plugin author, please migrate your plugin to Built-in Kotlin using this guide: https://docs.flutter.dev/release/breaking-changes/migrate-to-built-in-kotlin/for-plugin-authors

Flutter Doctor output

Doctor output

[√] Flutter (Channel stable, 3.44.0, on Microsoft Windows [Version 10.0.26200.8457], locale en-NZ) [614ms]
    • Flutter version 3.44.0 on channel stable at C:\src\flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 559ffa3f75 (7 days ago), 2026-05-15 14:13:13 -0700
    • Engine revision 4c525dac5e
    • Dart version 3.12.0
    • DevTools version 2.57.0
    • Feature flags: enable-web, enable-linux-desktop, enable-macos-desktop, enable-windows-desktop, enable-android, enable-ios, cli-animations,
      enable-native-assets, enable-swift-package-manager, omit-legacy-version-file, enable-lldb-debugging, enable-uiscene-migration

[√] Windows Version (11 Pro 64-bit, 25H2, 2009) [1,418ms]

[√] Android toolchain - develop for Android devices (Android SDK version 37.0.0) [3.2s]
    • Android SDK at C:\Users\dejan\AppData\Local\Android\sdk
    • Emulator version 36.5.11.0 (build_id 15261927) (CL:N/A)
    • Platform android-37.0, build-tools 37.0.0
    • Java binary at: C:\Program Files\Android\Android Studio\jbr\bin\java
      This is the JDK bundled with the latest Android Studio installation on this machine.
      To manually set the JDK path, use: `flutter config --jdk-dir="path/to/jdk"`.
    • Java version OpenJDK Runtime Environment (build 21.0.10+-14961533-b1163.108)
    • All Android licenses accepted.

[√] Chrome - develop for the web [308ms]
    • Chrome at C:\Program Files\Google\Chrome\Application\chrome.exe

[!] Visual Studio - develop Windows apps (Visual Studio Community 2026 18.6.1) [306ms]
    • Visual Studio at C:\Program Files\Microsoft Visual Studio\18\Community
    • Visual Studio Community 2026 version 18.6.11819.183
    • Windows 10 SDK version 10.0.26100.0
    X Visual Studio is missing necessary components. Please re-run the Visual Studio installer for the "Desktop development with C++" workload, and
      include these components:
        MSVC v142 - VS 2019 C++ x64/x86 build tools
         - If there are multiple build tool versions available, install the latest
        C++ CMake tools for Windows
        Windows 10 SDK

[√] Connected device (3 available) [216ms]
    • Windows (desktop) • windows • windows-x64    • Microsoft Windows [Version 10.0.26200.8457]
    • Chrome (web)      • chrome  • web-javascript • Google Chrome 148.0.7778.168
    • Edge (web)        • edge    • web-javascript • Microsoft Edge 148.0.3967.70

[√] Network resources [609ms]
    • All expected network resources are available.

[inijunayed]

Launching lib\main.dart on sdk gphone16k x86 64 in debug mode...
WARNING: Your Android app project: app located at: E:\foodking-merchant-app\android\app\build.gradle
applies the Kotlin Gradle Plugin, which will cause build failures in future versions of Flutter.
Please migrate your app to Built-in Kotlin using this guide: https://docs.flutter.dev/release/breaking-changes/migrate-to-built-in-kotlin/for-app-developers

WARNING: Your app uses the following plugins that apply Kotlin Gradle Plugin (KGP): fluttertoast, google_maps_flutter_android, image_picker_android, url_launcher_android, webview_flutter_android
Future versions of Flutter will fail to build if your app uses plugins that apply KGP.

Please check the changelogs of these plugins and upgrade to a version that supports Built-in Kotlin.
If no such version exists, report the issue to the plugin. If necessary, here is a guide on filing
an issue against a plugin: https://docs.flutter.dev/release/breaking-changes/migrate-to-built-in-kotlin/for-app-developers#report-incompatible-kotlin-gradle-plugin-usage-to-plugin-authors

If you are a plugin author, please migrate your plugin to Built-in Kotlin using this guide: https://docs.flutter.dev/release/breaking-changes/migrate-to-built-in-kotlin/for-plugin-authors
√ Built build\app\outputs\flutter-apk\app-debug.apk

flutter doctor -v
[✓] Flutter (Channel stable, 3.44.0, on Microsoft Windows [Version 10.0.26200.8457], locale en-GB) [446ms]
• Flutter version 3.44.0 on channel stable at C:\src\flutter\flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision 559ffa3 (8 days ago), 2026-05-15 14:13:13 -0700
• Engine revision 4c525da
• Dart version 3.12.0
• DevTools version 2.57.0
• Feature flags: enable-web, enable-linux-desktop, enable-macos-desktop, enable-windows-desktop, enable-android,
enable-ios, cli-animations, enable-native-assets, enable-swift-package-manager, omit-legacy-version-file,
enable-lldb-debugging, enable-uiscene-migration

[✓] Windows Version (Windows 11 or higher, 25H2, 2009) [904ms]

[✓] Android toolchain - develop for Android devices (Android SDK version 36.1.0) [2.7s]
• Android SDK at C:\Users\iniju\AppData\Local\Android\sdk
• Emulator version 36.3.10.0 (build_id 14472402) (CL:N/A)
• Platform android-36, build-tools 36.1.0
• Java binary at: C:\Program Files\Java\jdk-17\bin\java
This JDK is specified in your Flutter configuration.
To change the current JDK, run: flutter config --jdk-dir="path/to/jdk".
• Java version Java(TM) SE Runtime Environment (build 17.0.12+8-LTS-286)
• All Android licenses accepted.

[✓] Chrome - develop for the web [232ms]
• Chrome at C:\Program Files\Google\Chrome\Application\chrome.exe

[!] Visual Studio - develop Windows apps (Visual Studio Build Tools 2022 17.14.25 (January 2026)) [231ms]
• Visual Studio at C:\Program Files (x86)\Microsoft Visual Studio\2022\BuildTools
• Visual Studio Build Tools 2022 version 17.14.36915.13
✗ The current Visual Studio installation is incomplete.
Please use Visual Studio Installer to complete the installation or reinstall Visual Studio.

[✓] Connected device (4 available) [340ms]
• sdk gphone16k x86 64 (mobile) • emulator-5554 • android-x64 • Android 17 (API 37) (emulator)
• Windows (desktop) • windows • windows-x64 • Microsoft Windows [Version 10.0.26200.8457]
• Chrome (web) • chrome • web-javascript • Google Chrome 148.0.7778.179
• Edge (web) • edge • web-javascript • Microsoft Edge 148.0.3967.70

[✓] Network resources [589ms]
• All expected network resources are available.

! Doctor found issues in 1 category.

how to fix it my flutter version is

flutter --version
Flutter 3.44.0 • channel stable • https://github.com/flutter/flutter.git
Framework • revision 559ffa3 (8 days ago) • 2026-05-15 14:13:13 -0700
Engine • hash fcf463a2242790d1fdcd9d044f533080f5022e18 (revision 4c525da) (8 days ago) • 2026-05-15 19:00:04.000Z
Tools • Dart 3.12.0 • DevTools 2.57.0