chaosflix/build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {
    ext.kotlin_version = '1.1.51'
    repositories {
        jcenter()
        mavenCentral()
        maven {
            url "https://maven.google.com"
        }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.0.0'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        mavenLocal()
        jcenter()
        maven { url "https://oss.sonatype.org/content/repositories/snapshots/" }
        maven { url "https://maven.google.com" }
    }
}

ext{
    compileSdkVersion = 27
    buildToolsVersion = "27.0.0"
    supportLibraryVersion = "27.0.0"
    constraintLayoutVersion = "1.0.2"
    archCompVersion = "1.0.0-rc1"
    minSDK = 22
    targetSDK = 26
}

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