build.gradle

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

buildscript {
    ext.kotlin_version = '1.3.31'

    repositories {
        google()
        jcenter()
        maven {
            url 'https://dl.bintray.com/zouyuhan/maven'
        }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.4.1'
        classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
        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 {
    apply plugin: 'checkstyle'
    repositories {
        google()
        jcenter()
        mavenCentral()
        maven { url 'https://jitpack.io' }
        maven {
            url 'https://dl.bintray.com/zouyuhan/maven'
        }
    }

    checkstyle {
        toolVersion = "7.7"
        configFile = file("${rootProject.projectDir}/config/checkstyle/checkstyle.xml")
    }

    task checkStyle(type: Checkstyle) {
        configFile file("config/checkstyle.xml")
        source fileTree('src')
        include '**/*.java'
        exclude '**/gen/**'
    }
}

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