Stay organized with collections
Save and categorize content based on your preferences.
@Target(allowedTargets = [AnnotationTarget.CLASS])
@Retention(value = AnnotationRetention.BINARY)
public annotation ProvidedAutoMigrationSpec
Marks a class as an auto migration spec that will be provided to Room at runtime.
An instance of a class annotated with this annotation has to be provided to Room using Room.databaseBuilder.addAutoMigrationSpec(AutoMigrationSpec). Room will verify that the spec is provided in the builder configuration and if not, an IllegalArgumentException will be thrown.
Summary
Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.
Last updated 2025-07-17 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-07-17 UTC."],[],[]]