So, if you add a column as part of an update, add it in the create statement inside the onCreate function (for new users) and as an alter statement inside the onUpgrade function (for existing users).ĭo you know of an even better way to handle Android SQLite database migrations? Send us your technique and if we agree, we will add it to this guide. One other thing to keep in mind is that you will also want to alter your create statements that are run inside the onCreate function. Be aware that because androidx. Let's look at some example SQL code that could be used on an SQLite database directly, without any Kotlin or Android classes, and then we can more easily. No matter what previous version was and regardless of what more recent version they upgrade to, the app will run the proper statements to take the app from the older schema to the properly upgraded one. The library group androidx.sqlite sources has been converted from Java to Kotlin. Now the app will iterate over the update statements and run any that are needed. Public class SQLiteHelper extends SQLiteOpenHelper
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |