com.tencent.sonic.sdk

类 SonicDBHelper

java.lang.Object

android.database.sqlite.SQLiteOpenHelper

com.tencent.sonic.sdk.SonicDBHelper

public class SonicDBHelper
extends android.database.sqlite.SQLiteOpenHelper

SonicDBHelper interacts with the database, such as managing database creation and the version management.

方法概要

限定符和类型	方法和说明
static SonicDBHelper	getInstance()
boolean	isUpgrading() Indicates whether is upgrading or not.
void	onCreate(android.database.sqlite.SQLiteDatabase db) Called when the database is created for the first time.
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, onDowngrade, onOpen, setWriteAheadLoggingEnabled

从类继承的方法 java.lang.Object

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

方法详细资料

getInstance

public static SonicDBHelper getInstance()

onCreate

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

Called when the database is created for the first time. This is where the creation of tables and the initial population of the tables should happen.

指定者:

onCreate 在类中 android.database.sqlite.SQLiteOpenHelper

参数:

db - The database.

onUpgrade

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

指定者:

onUpgrade 在类中 android.database.sqlite.SQLiteOpenHelper

isUpgrading

public boolean isUpgrading()

Indicates whether is upgrading or not. If return true, It will fail to create session.

返回:

is Upgrading or not