Room takes care of mundane tasks that you used to handle with an sqliteopenhelper.
Room on main thread.
Room is an android library on top of sqlite which performs compile time checks on sql queries and frees you up from writing db helpers.
Room doesn t support database access on the main thread unless you ve called allowmainthreadqueries on the builder because it might lock the ui for a long period of time.
In threads 175 mary ray described her favorite methods for storing fabrics notions and thread in her banner elk north carolina studio.
Dao methods can now be marked as suspending to ensure that they are not executed on the main thread.
Fixed a bug where room would perform disk i o in the main thread when subscribing and disposing from an rx return type.
Read on to see how to use this how it works under.
You ll notice mary s inspiration board where she keeps images and objects she finds interesting.
Doing database operations insert update delete read data from the table has to be done in background thread will it was always intended to be perform on background thread but now it s mandatory.
Mary uses decorative threads to add color to her studio as well.
Photo by cheryl zibisky photography.
Room 2 1 adds support for kotlin coroutines.
When room queries return livedata the queries are automatically run asynchronously on a background thread.
By default to avoid poor ui performance room doesn t allow you to issue queries on the main thread.
Room uses the dao to issue queries to its database.