cn.vonce.sql.android.helper

类 DatabaseHelper

java.lang.Object

android.database.sqlite.SQLiteOpenHelper

cn.vonce.sql.android.helper.DatabaseHelper

public class DatabaseHelper
extends android.database.sqlite.SQLiteOpenHelper

初始化数据库

作者:

Jovi

构造器概要

构造器

构造器和说明
DatabaseHelper(Class<?> clazz, android.content.Context context, String name, android.database.sqlite.SQLiteDatabase.CursorFactory factory, int version)

方法概要

限定符和类型	方法和说明
void	createTable(android.database.sqlite.SQLiteDatabase db) 创建表
void	onCreate(android.database.sqlite.SQLiteDatabase db)
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

构造器详细资料

DatabaseHelper

public DatabaseHelper(Class<?> clazz,
                      android.content.Context context,
                      String name,
                      android.database.sqlite.SQLiteDatabase.CursorFactory factory,
                      int version)

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

createTable

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

创建表

参数:

db -