Kotlin for Android Developers ( Part 1 )

1. Open Android Studio
2. Go to Plugins ( you can use find action shortcut: shift + command + a on Mac and type plugins )
3. Find ( search for Kotlin) and install
   
   
4. Restart Android Studio when done downloading
5. Go to your project (or create a new Android project)
6. Convert Java File to Kotlin
   
7. After waiting for IDE to complete conversion , Configure Kotlin, leave everything by default
   
   
   

   
8. Add one line in the module Gradle file for Kotlin Android dextension kotlinx.android.sythetic.<layout_xml>.* to work
   

        classpath "org.jetbrains.kotlin:kotlin-android-extensions:$kotlin_version"  
   

9. Sync Gradle 
10. If you have any trouble , check the official document.