How to deploy kotlin in androidstudio?

kotlin is a good language,more playable than java.so how do we deploy kotlin?

first,install the kotlin plug-in in plugins. if you are the latest androidstudio,you don't need to take this step,because this plug-in has been integrated.

second,configure kotlin in the build.gradle of the project

third,configure 'kotlin-android'  and 'kotlin-android-extensions' in app's gradle.

fourth, click syncnow to start synchronization

about anko implementation of kotlin, android ui and configuration will be mentioned later in the article, thank you.