Для работы плагина Android Gradle требуется Java 17. В настоящее время вы используете Java 11. в оконной системе. ⇐ JAVA

[Anonymous]

Запуск lib\main.dart в Android SDK, созданном для x86, в режиме отладки...
Запуск задачи Gradle 'assembleDebug'...
FAILURE: Build failed with an exception.

* Where:
Build file 'C:\Users\viran\StudioProjects\k_walzy_app\android\app\build.gradle' line: 2

* What went wrong:
An exception occurred applying plugin request [id: 'com.android.application']
> Failed to apply plugin 'com.android.internal.application'.
> Android Gradle plugin requires Java 17 to run. You are currently using Java 11.
Your current JDK is located in C:\Program Files\Android\Android Studio\jre
You can try some of the following options:
- changing the IDE settings.
- changing the JAVA_HOME environment variable.
- changing `org.gradle.java.home` in `gradle.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
Error: Gradle task assembleDebug failed with exit code 1


Подробнее здесь: https://stackoverflow.com/questions/792 ... ng-java-11