Room On Main Thread

Here an app will crash as the operation is performed on a main thread.

Room on 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. Room takes care of mundane tasks that you used to handle with an sqliteopenhelper. In threads 175 mary ray described her favorite methods for storing fabrics notions and thread in her banner elk north carolina studio. Fixed a bug where room would perform disk i o in the main thread when subscribing and disposing from an rx return type.

Room uses the dao to issue queries to its database. Fixed a bug where room would fail to find an appropriate type converter for a field in a kotlin entity class. 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. You ll notice mary s inspiration board where she keeps images and objects she finds interesting.

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. Mary uses decorative threads to add color to her studio as well. Photo by cheryl zibisky photography. When room queries return livedata the queries are automatically run asynchronously on a background thread.

Room 2 1 adds support for kotlin coroutines. Dao methods can now be marked as suspending to ensure that they are not executed on the main thread.