Summary: Ctors | Methods | Inherited Methods

RoomDatabase.Callback

public static abstract class RoomDatabase.Callback
extends Object

java.lang.Object
↳	androidx.room.RoomDatabase.Callback

Callback for RoomDatabase.

Summary

Public constructors
`RoomDatabase.Callback()`

Public methods
`void`	`onCreate(SupportSQLiteDatabase db)` Called when the database is created for the first time.
`void`	`onOpen(SupportSQLiteDatabase db)` Called when the database has been opened.

From class


        
          java.lang.Object

public RoomDatabase.Callback ()

public void onCreate (SupportSQLiteDatabase db)

Called when the database is created for the first time. This is called after all the tables are created.

Parameters
`db`	`SupportSQLiteDatabase`: The database.

public void onOpen (SupportSQLiteDatabase db)

Called when the database has been opened.

Parameters
`db`	`SupportSQLiteDatabase`: The database.