VS Code: Failed to install the following Android SDK packages as some licences have not been accepted

Question

Here what I'm trying to do is build my flutter application using VS Code. When I'm run the following command flutter build apk

FAILURE: Build failed with an exception.

* Where:
Build file 'F:\year-03\SEM2\events\GSOC\LabelLab\labellab_mobile\android\build.gradle' line: 27

* What went wrong:
A problem occurred evaluating root project 'android'.
> A problem occurred configuring project ':app'.
   > Failed to install the following Android SDK packages as some licences have not been accepted.
        build-tools;28.0.3 Android SDK Build-Tools 28.0.3
        platforms;android-28 Android SDK Platform 28
     To build this project, accept the SDK license agreements and install the missing components using the Android Studio SDK Manager.
     Alternatively, to transfer the license agreements from one workstation to another, see http://d.android.com/r/studio-ui/export-licenses.html   

     Using Android SDK: C:\Users\Mr.Semicolon\AppData\Local\Android\sdk

To understand the exact solution I'll describe all the steps that I followed to setup Flutter in VS Code IDE.
1. Download Flutter Windows SDK from https://flutter.dev
2. Extract the file to the C drive
3. Go to the file path C:\flutter\binand set the environment variable.
4. In VS Code IDE install the Flutter and Dart extensions.
5. Run the application using flutter build apk

Edit: flutter doctor output,

[√] Flutter (Channel stable, v1.12.13+hotfix.9, on Microsoft Windows [Version 10.0.18362.720], locale en-GB)
[!] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
    X Android license status unknown.
      Try re-installing or updating your Android SDK Manager.
      See https://developer.android.com/studio/#downloads or visit https://flutter.dev/setup/#android-setup for detailed instructions.
[!] Android Studio (version 3.6)
    X Flutter plugin not installed; this adds Flutter specific functionality.
    X Dart plugin not installed; this adds Dart specific functionality.
[!] IntelliJ IDEA Ultimate Edition (version 2019.3)
    X Flutter plugin not installed; this adds Flutter specific functionality.
    X Dart plugin not installed; this adds Dart specific functionality.
[√] VS Code (version 1.44.0)
[!] Connected device
    ! No devices available

Check this document and follow the things mentioned https://flutter.dev/docs/get-started/install/windows — Midhun MP, Apr 14 '20 at 11:47

score 1 · Answer 1 · answered Apr 14 '20 at 11:14

1

This error is due to lack of license agreement.

Open your terminal.
flutter doctor --android-licenses
Press y to accept every license.

answered Apr 14 '20 at 11:14

Sanket Vekariya

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thaks for the answer but it gives an error Exception in thread "main" java.lang.NoClassDefFoundError: – INDRAJITH EKANAYAKE Apr 14 '20 at 11:19
you have executed this command directly in vs code terminal, right? moreover kindly check is there mainActivity file available in the project or not. – Sanket Vekariya Apr 14 '20 at 11:40
1

checkout this: https://github.com/flutter/flutter/issues/51670 – Sanket Vekariya Apr 14 '20 at 12:04
I think https://stackoverflow.com/questions/43574426/how-to-resolve-java-lang-noclassdeffounderror-javax-xml-bind-jaxbexception-in-j/43574427#43574427 should be the case but still dont know how to resolve it – INDRAJITH EKANAYAKE Apr 14 '20 at 15:04
I would suggest to reinstall sdks to resolve your issue. Instead going to reinstall, You should try flutter clear, restart system, create new flutter project steps. – Sanket Vekariya Apr 14 '20 at 15:20
1

@IndrajithEkanayake you got the answer buddy or still stuck in between? – Sanket Vekariya May 05 '20 at 13:35
I got the answer from above url but unable to solve my problem so I stop working on that – INDRAJITH EKANAYAKE May 06 '20 at 01:40

score 1 · Answer 2 · answered Apr 16 '20 at 12:34

In some machines, you need to open the command prompt as an administrator. So, you can try out the following steps and check

Execute command prompt as administrator.
Run the command flutter doctor --android-licenses and accept all. licenses by pressing Y.
Run the command flutter doctor -v to check whether the issue is still there;
Login as a regular user and try flutter doctor -v to make sure everything is okay.

If it still giving you the same issue visit your flutter folder and open the file called flutter_console.bat and type this command flutter doctor --android-licenses.

https://github.com/flutter/flutter/issues/14942 Check this issue as well it has a useful discussion about this issue. — dilum1995, Apr 16 '20 at 12:37

VS Code: Failed to install the following Android SDK packages as some licences have not been accepted

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