- Android SDK 25
- Android Build Tool 25.0.2
- Android Support Repository 25.2.0
- Android Plugin for Gradle 2.3.0
- Kotlin v1.1.1
- Setup google-services.json
Firebase Realtime Database for Android
https://firebase.google.com/docs/database/android/start/?hl=ja
Firebase Realtime Database for Android
https://firebase.google.com/docs/database/android/start/?hl=ja