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.
Room on 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.
Mary uses decorative threads to add color to her studio as well.
Photo by cheryl zibisky photography.
You ll notice mary s inspiration board where she keeps images and objects she finds interesting.
In threads 175 mary ray described her favorite methods for storing fabrics notions and thread in her banner elk north carolina studio.
Room takes care of mundane tasks that you used to handle with an sqliteopenhelper.
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.
Room uses the dao to issue queries to its database.
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.
Fixed a bug where room would fail to find an appropriate type converter for a field in a kotlin entity class.
Room 2 1 adds support for kotlin coroutines.
Read on to see how to use this how it works under.
Asynchronous queries queries that return instances of livedata or flowable are exempt from this rule because they asynchronously run the query on a background.