In Google I/O 2017, Google announced about Room Architecture for Android. This Architecture is used to maintain the State of Android Application when the orientation changes. As well as google announced about Room Architecture. Room We have more boiler plates while creating SQLite Database in Android even it is small. Room as a library used to remove the boiler plates like Cursors & Handlers and database can be handled with annotations and model classes. If we remember about Sugar ORM or Active Android , the same approach is dealt with Room. We don't want to go for any third party libraries, when the official Android libraries give you an equal, or better solution. Life Cycle Activity We have faced the problem mostly as that to maintain the State of Android Application when the orientation changes. The Life Cycle Activity used to handle the state easily. Coding Part Create a new project in Android Studio. First, Add Google’s maven repository to your project-level build.gradle