RoomDatabase.Callback

Artifact: androidx.room:room-runtime

View Source

Added in 2.0.0

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Kotlin |Java

Common/AllAndroid/JVMNative/C/iOS

• Cmn

  abstract class RoomDatabase.Callback

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Callback for RoomDatabase

Summary

Public constructors
Callback()	android
Callback()	Cmn
Callback()	N

Public functions
open Unit	onCreate(connection: SQLiteConnection) Called when the database is created for the first time.	Cmn android N
open Unit	onCreate(db: SupportSQLiteDatabase) Called when the database is created for the first time.	android
open Unit	onDestructiveMigration(connection: SQLiteConnection) Called after the database was destructively migrated.	Cmn android N
open Unit	onDestructiveMigration(db: SupportSQLiteDatabase) Called after the database was destructively migrated	android
open Unit	onOpen(connection: SQLiteConnection) Called when the database has been opened.	Cmn android N
open Unit	onOpen(db: SupportSQLiteDatabase) Called when the database has been opened.	android

Public constructors

Callback

android

Added in 2.0.0

Callback()

Callback

Cmn

Added in 2.0.0

Callback()

Callback

N

Added in 2.0.0

Callback()

Public functions

onCreate

Cmn android N

Added in 2.7.0-alpha03

open fun onCreate(connection: SQLiteConnection): Unit

Called when the database is created for the first time.

This function called after all the tables are created.

Parameters
connection: SQLiteConnection	The database connection.

onCreate

android

Added in 2.0.0

open fun onCreate(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

Cmn android N

Added in 2.7.0-alpha03

open fun onDestructiveMigration(connection: SQLiteConnection): Unit

Called after the database was destructively migrated.

Parameters
connection: SQLiteConnection	The database connection.

onDestructiveMigration

android

Added in 2.2.0

open fun onDestructiveMigration(db: SupportSQLiteDatabase): Unit

Called after the database was destructively migrated

Parameters
db: SupportSQLiteDatabase	The database.

onOpen

Cmn android N

Added in 2.7.0-alpha03

open fun onOpen(connection: SQLiteConnection): Unit

Called when the database has been opened.

Parameters
connection: SQLiteConnection	The database connection.

onOpen

android

Added in 2.0.0

open fun onOpen(db: SupportSQLiteDatabase): Unit

Called when the database has been opened.

Parameters
db: SupportSQLiteDatabase	The database.