im trying to create an android app, but when i create an app, just the default "hello world" app that comes when you create a new project.

But when i try to build the default app it gives me this error...any help pls?

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-30). Dependency: androidx.appcompat:appcompat:1.4.0. AAR metadata file: C:\Users\Afonso.gradle\caches\transforms->3\46d15f5c58a469270eeba15db4463d05\transformed\appcompat-1.4.0\META->INF\com\android\build\gradle\aar-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-30). Dependency: androidx.appcompat:appcompat-resources:1.4.0. AAR metadata file: C:\Users\Afonso.gradle\caches\transforms->3\70088de83757cd2e92dadb8b386e6adb\transformed\jetified-appcompat-resources-1.4.0\META->INF\com\android\build\gradle\aar-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-30). Dependency: androidx.emoji2:emoji2-views-helper:1.0.0. AAR metadata file: C:\Users\Afonso.gradle\caches\transforms->3\6cbed90352b213553df3539e2e7f22af\transformed\jetified-emoji2-views-helper-1.0.0\META->INF\com\android\build\gradle\aar-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-30). Dependency: androidx.emoji2:emoji2:1.0.0. AAR metadata file: C:\Users\Afonso.gradle\caches\transforms->3\09b79be83fba3907471fe1de63f439d3\transformed\jetified-emoji2-1.0.0\META->INF\com\android\build\gradle\aar-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-30). Dependency: androidx.core:core:1.7.0. AAR metadata file: C:\Users\Afonso.gradle\caches\transforms->3\9339927e08badd09bc5459e4ba900d5f\transformed\core-1.7.0\META-INF\com\android\build\gradle\aar->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-30). Dependency: androidx.lifecycle:lifecycle-process:2.4.0. AAR metadata file: C:\Users\Afonso.gradle\caches\transforms->3\0e4a425e61d135d109d64d5f17d999df\transformed\jetified-lifecycle-process-2.4.0\META->INF\com\android\build\gradle\aar-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-30). Dependency: androidx.lifecycle:lifecycle-runtime:2.4.0. AAR metadata file: C:\Users\Afonso.gradle\caches\transforms->3\bca1bb61c15ab5807e64593ca04debef\transformed\lifecycle-runtime-2.4.0\META->INF\com\android\build\gradle\aar-metadata.properties.

CodePudding user response：

Try to change your build.gradle(app) file. Set compileSdkVersion and targetSdk to 30, and Sync your gradle file

CodePudding user response：

If you read the error messages carefully you can understand

The minCompileSdk (31) specified in a dependency's AAR metadata is greater than this module's compileSdkVersion (android-30).

One simple solution would be to go to gradle build(:app) and change the compileSdkVersion to 30

Go to search and type build gradle (:app)

It would look something like this

android {
    compileSdkVersion 31
}

After the change it should be this

android {
    compileSdkVersion 30
}

Change the targetSdkVersion under defaultConfig to 30

Like this:

defaultConfig {
        
        targetSdkVersion 30

            }

save and run

Happy coding!