build.gradle

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

buildscript {
    ext.kotlin_version = '1.1.2-4'
    ext.support_library_version = '26.0.0-beta2'
    ext.rxjava2_version = '2.1.0'
    ext.retrofit_version = '2.3.0'

    repositories {
        jcenter()
        mavenCentral()
        maven { url "https://maven.google.com" }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.0.0-alpha3'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"

    }

}

allprojects {
    repositories {
        jcenter()
        mavenCentral()
        maven { url "https://jitpack.io" }
        maven {
            url "https://oss.sonatype.org/content/repositories/snapshots"
        }
        maven {
            url "http://mvn.leancloud.cn/nexus/content/repositories/releases"
        }
        maven {
            url 'https://download.01.org/crosswalk/releases/crosswalk/android/maven2'
        }
        maven {
            url "https://maven.google.com"
        }
    }
    apply plugin: 'checkstyle'
    task checkstyle(type: Checkstyle) {
        source 'src'
        include '**/*.java'
        exclude '**/gen/**'
        exclude '**/R.java'
        exclude '**/BuildConfig.java'
        configFile new File(rootDir, "checkstyle.xml")
        // empty classpath
        classpath = files()
    }
}

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