build.gradle

// Top-level build file where you can add configuration options common to all sub-projects/modules.
apply from: "config.gradle"

buildscript {
    ext.kotlin_version = '1.3.50'
    ext.build_gradle_version = '3.3.2'
    ext.databinding_apt_vesion = '3.2.0-alpha10'

    repositories {
        jcenter()
        google()
        maven { url 'http://maven.aliyun.com/nexus/content/groups/public/' }
    }

    dependencies {
        classpath "com.android.tools.build:gradle:$build_gradle_version"
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath "org.jetbrains.kotlin:kotlin-android-extensions:$kotlin_version"

        classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8'
        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        jcenter()
        google()
        maven { url 'http://maven.aliyun.com/nexus/content/groups/public/' }
    }
}

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