xiaofei.library.datastorage.database

类 DbOpenHelper

java.lang.Object

android.database.sqlite.SQLiteOpenHelper

xiaofei.library.datastorage.database.DbOpenHelper

public class DbOpenHelper
extends android.database.sqlite.SQLiteOpenHelper

构造器概要

构造器

构造器和说明
DbOpenHelper(android.content.Context context)

方法概要

限定符和类型	方法和说明
void	onCreate(android.database.sqlite.SQLiteDatabase db)
void	onDowngrade(android.database.sqlite.SQLiteDatabase db, int oldVersion, int newVersion)
void	onUpgrade(android.database.sqlite.SQLiteDatabase db, int oldVersion, int newVersion)

从类继承的方法 android.database.sqlite.SQLiteOpenHelper

close, getDatabaseName, getReadableDatabase, getWritableDatabase, onConfigure, onOpen, setWriteAheadLoggingEnabled

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

DbOpenHelper

public DbOpenHelper(android.content.Context context)

方法详细资料

onCreate

public void onCreate(android.database.sqlite.SQLiteDatabase db)

指定者:

onCreate 在类中 android.database.sqlite.SQLiteOpenHelper

onUpgrade

public void onUpgrade(android.database.sqlite.SQLiteDatabase db,
                      int oldVersion,
                      int newVersion)

指定者:

onUpgrade 在类中 android.database.sqlite.SQLiteOpenHelper

onDowngrade

public void onDowngrade(android.database.sqlite.SQLiteDatabase db,
                        int oldVersion,
                        int newVersion)

覆盖:

onDowngrade 在类中 android.database.sqlite.SQLiteOpenHelper