qr.flutter/example/android/build.gradle

buildscript {
    ext {
        buildGradleVersion = '7.4.2'
        kotlinVersion = '1.7.21'
    }
    repositories {
        google()
        mavenCentral()
    }

    dependencies {
        classpath "com.android.tools.build:gradle:$buildGradleVersion"
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
    }
}

allprojects {
    repositories {
        google()
        mavenCentral()
    }
}

rootProject.buildDir = '../build'
subprojects {
    project.buildDir = "${rootProject.buildDir}/${project.name}"
}
subprojects {
    project.evaluationDependsOn(':app')
}

tasks.register("clean", Delete) {
    delete rootProject.buildDir
}