Room On Main Thread

Room takes care of mundane tasks that you used to handle with an sqliteopenhelper.

Room on main thread.

Photo by cheryl zibisky photography. 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. 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.

Asynchronous queries queries that return instances of livedata or flowable are exempt from this rule because they asynchronously run the query on a background. Mary uses decorative threads to add color to her studio as well. 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.

Room 2 1 adds support for kotlin coroutines. You ll notice mary s inspiration board where she keeps images and objects she finds interesting. Fixed a bug where room would fail to find an appropriate type converter for a field in a kotlin entity class. In threads 175 mary ray described her favorite methods for storing fabrics notions and thread in her banner elk north carolina studio.

Room uses the dao to issue queries to its database. 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.