build.gradle

buildscript {
    repositories {
        google()
        jcenter()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:3.0.1'
        classpath 'com.google.gms:google-services:4.0.1'
    }
}

allprojects {
    repositories {
        google()
        jcenter()
    }
    // Add the "force" resulation strategy to fix problems building the app
    // (https://github.com/X-Wei/flutter_catalog/issues/4).
    // C.f. https://stackoverflow.com/a/50578320.
    configurations.all {
        resolutionStrategy.force "com.android.support:support-v4:27.1.1"
    }
}

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

task clean(type: Delete) {
    delete rootProject.buildDir
}