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Hi i am new to flutter and i tried to clone a github repo and this is the error i cant seem to solve on my own.

FAILURE: Build failed with an exception.

  • What went wrong:
    Execution failed for task ‘:app:checkDebugAarMetadata’.

A failure occurred while executing com.android.build.gradle.internal.tasks.CheckAarMetadataWorkAction
One or more issues found when checking AAR metadata values:

 The minCompileSdk (31) specified in a
 dependency's AAR metadata (META-INF/com/android/build/gradle/aar-metadata.properties)
 is greater than this module's compileSdkVersion (android-29).
 Dependency: androidx.window:window-java:1.0.0-beta04.
 AAR metadata file: C:Usersalpha.gradlecachestransforms-341a83d0cf61e3d2ab42ea706b65148abtransformedjetified-window-java-1.0.0-beta04META-INFcomandroidbuildgradleaar-metadata.properties.

 The minCompileSdk (31) specified in a
 dependency's AAR metadata (META-INF/com/android/build/gradle/aar-metadata.properties)
 is greater than this module's compileSdkVersion (android-29).
 Dependency: androidx.window:window:1.0.0-beta04.
 AAR metadata file: C:Usersalpha.gradlecachestransforms-3bb9a53f8c4dc071c681fa071739dc70btransformedjetified-window-1.0.0-beta04META-INFcomandroidbuildgradleaar-metadata.properties.
  • 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 1s
Exception: Gradle task assembleDebug failed with exit code 1

2

Answers


  1. Open the build.gradle file on android/app folder and set the compileSdkVersion & targetSdkVersion to 31 and set the minSdkVersion to 21 so that it would be compatible to older versions of android.

    Do a flutter clean just to be safe before rebuilding the app.

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  2. Another quick solution that’s worth trying (doesn’t work every time, but there’s no harm in trying) is to run the command:

    flutter clean
    

    in the terminal and then try rerunning the project.

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