build.gradle

buildscript {
    ext.kotlinVersion = '1.1.2'
    ext.useRetroLambda = true

    repositories {
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:2.3.1'
        classpath 'com.github.ben-manes:gradle-versions-plugin:0.14.0'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"

        if (project.ext.useRetroLambda) {
            classpath 'me.tatarka:gradle-retrolambda:3.6.1'
        }
    }
}

allprojects {
    repositories {
        jcenter()
        mavenCentral()
    }

    tasks.withType(JavaCompile) {
        options.compilerArgs << "-Xlint:unchecked"
    }
}

ext {
    compileSdkVersion = 25
    targetSdkVersion = compileSdkVersion
    minSdkVersion = 14

    buildToolsVersion = '25.0.2'

    supportLibVersion = '25.3.1'
    junitVersion = '4.12'
    assertjVersion = '3.6.2'
    lintVersion = '25.3.0'
}

task wrapper(type: Wrapper) {
    gradleVersion = '3.5'
    distributionType = 'ALL'
}