Callback
abstract class Callback
| kotlin.Any | |
| ↳ | androidx.room.RoomDatabase.Callback |
Callback for RoomDatabase.
Summary
| Public constructors | |
|---|---|
<init>()Callback for |
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| Public methods | |
|---|---|
| open Unit |
onCreate(@NonNull db: SupportSQLiteDatabase)Called when the database is created for the first time. |
| open Unit |
onDestructiveMigration(@NonNull db: SupportSQLiteDatabase)Called after the database was destructively migrated |
| open Unit |
onOpen(@NonNull db: SupportSQLiteDatabase)Called when the database has been opened. |
Public constructors
Public methods
onCreate
open fun onCreate(@NonNull db: SupportSQLiteDatabase): Unit
Called when the database is created for the first time. This is called after all the tables are created.
| Parameters | |
|---|---|
db |
SupportSQLiteDatabase: The database. |
onDestructiveMigration
open fun onDestructiveMigration(@NonNull db: SupportSQLiteDatabase): Unit
Called after the database was destructively migrated
| Parameters | |
|---|---|
db |
SupportSQLiteDatabase: The database. |
onOpen
open fun onOpen(@NonNull db: SupportSQLiteDatabase): Unit
Called when the database has been opened.
| Parameters | |
|---|---|
db |
SupportSQLiteDatabase: The database. |