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 {
        google()
        jcenter()
    }

    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 {
        google()
        jcenter()
    }
}

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

// Define library versions in a single place
ext {

    compileSdkVersion = 26
    minSdkVersion = 16
    targetSdkVersion = 26

    supportLibraryVersion = '27.0.1'
    constraintLayoutVersion = '1.0.2'

    gsonVersion = '2.8.2'
    glideVersion = '3.6.1'
    spinKitVersion = '1.1.0'

    junitVersion = '4.12'
    mockitoVersion = '1.10.19'
    powerMockito = '1.6.2'
    hamcrestVersion = '1.3'
    runnerVersion = '0.5'
    rulesVersion = '0.5'
    espressoVersion = '3.0.1'

}

//When there is an error in code generation you will may see
//lots of errors due too missing generated code in your logs, we increase
//how many errors are shown here so that the real error is visible when it is near the end
allprojects {
    afterEvaluate {
        tasks.withType(JavaCompile.class) {
            options.compilerArgs << "-Xmaxerrs" << "500"
        }
    }
}