build.gradle

buildscript {
    repositories {
        google()
        jcenter()
    }

    dependencies {
        classpath "com.android.tools.build:gradle:3.5.2"
    }
}

allprojects {
    repositories {
        google()
        jcenter()
    }
}

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

ext.supportLibraryVersion = "28.0.0"