Simple-Contacts/app/build.gradle

apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'

android {
    compileSdkVersion 27

    defaultConfig {
        applicationId "com.simplemobiletools.contacts"
        minSdkVersion 21
        targetSdkVersion 27
        versionCode 1
        versionName "1.0.0"
        setProperty("archivesBaseName", "contacts")
    }

    buildTypes {
        release {
            minifyEnabled true
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }

    sourceSets {
        main.java.srcDirs += 'src/main/kotlin'
    }

    lintOptions {
        checkReleaseBuilds false
        abortOnError false
    }
}

dependencies {
    implementation 'com.simplemobiletools:commons:3.2.6'
}