Saving Data on Android - Part 24: Database Migrations | Ray Wenderlich

Learn about using database versioning and database migrations to handle modifying your database schema after your app has shipped.


This is a companion discussion topic for the original entry at https://www.raywenderlich.com/4561-saving-data-on-android/lessons/24

@macsimus after changing the same code the dropMessage causing an exception that is null

Hi @ankm thanks for the message! Could you zip up your project and post it here so I can try to help diagnose what might be happening?