Kotlin and anko gradle config

build.gradle

buildscript {
    ext.kotlin_version = '1.0.0-beta-4584'
    ext.anko_version = '0.8'

    repositories {
        jcenter()
    }
    dependencies {
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath "org.jetbrains.kotlin:kotlin-android-extensions:$kotlin_version"
    }
}

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

android {
    compileSdkVersion 23
    buildToolsVersion "23.0.2"

    defaultConfig {
        applicationId "com.example.zhuqling.weatherapp"
        minSdkVersion 21
        targetSdkVersion 23
        versionCode 1
        versionName "1.0"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
    sourceSets {
        main.java.srcDirs += 'src/main/kotlin'
    }
}

dependencies {
    compile fileTree(dir: 'libs', include: ['*.jar'])
    testCompile 'junit:junit:4.12'
    compile 'com.android.support:appcompat-v7:23.1.1'
    compile 'com.android.support:design:23.1.1'
    compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"

    compile "org.jetbrains.anko:anko-sdk15:$anko_version"
    // sdk19, sdk21, sdk23 are also available
    //    compile "org.jetbrains.anko:anko-support-v4:$anko_version" // In case you need support-v4 bindings
    //    compile "org.jetbrains.anko:anko-appcompat-v7:$anko_version" // For appcompat-v7 bindings

}