build.gradle

task wrapper(type: Wrapper) {
    gradleVersion = '4.1'
}

buildscript {
    ext.kotlin_version = '1.1.4-3'
    repositories {
        maven {
            url 'https://maven.google.com'
        }
        jcenter()
        mavenCentral()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:2.3.3'
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    }
}
repositories {
    maven {
        url 'https://maven.google.com'
    }
    jcenter()
        mavenCentral()
}
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'

android {
    compileSdkVersion 25
    buildToolsVersion '25.0.3'

    defaultConfig {
        minSdkVersion 24
        targetSdkVersion 25
    }

    signingConfigs {
        releaseSigning {
            storeFile file("${System.properties['user.home']}/.android/debug.keystore")
            storePassword 'android'
            keyAlias 'androiddebugkey'
            keyPassword 'android'
        }
    }

    buildTypes {
        release {
            minifyEnabled true
            proguardFiles getDefaultProguardFile('proguard-android.txt')
            signingConfig signingConfigs.releaseSigning
        }
    }
}

dependencies {
    compile 'com.android.support:appcompat-v7:25.4.0'
    compile 'com.android.support:design:25.4.0'
    compile "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
}