com.marshalchen.common.commonUtils.dbUtils

类 DataBaseUtils

java.lang.Object

com.marshalchen.common.commonUtils.dbUtils.DataBaseUtils

public class DataBaseUtils
extends java.lang.Object

Some utils about database like getting or creating database.

构造器概要

构造器

构造器和说明
DataBaseUtils()

方法概要

方法

限定符和类型	方法和说明
static void	copyDatabase(android.content.Context context, java.io.File dbFile, java.lang.String databaseName)
android.database.sqlite.SQLiteDatabase	getReadableDatabase(android.content.Context context, java.lang.String databaseName) Open a database which is used for reading only.
android.database.sqlite.SQLiteDatabase	getWritableDatabase(android.content.Context context, java.lang.String databaseName) Open a database which is used for both reading and writing.

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

DataBaseUtils

public DataBaseUtils()

方法详细资料

copyDatabase

public static void copyDatabase(android.content.Context context,
                java.io.File dbFile,
                java.lang.String databaseName)
                         throws java.io.IOException

抛出:

java.io.IOException

getReadableDatabase

public android.database.sqlite.SQLiteDatabase getReadableDatabase(android.content.Context context,
                                                         java.lang.String databaseName)
                                                           throws android.database.sqlite.SQLiteException

Open a database which is used for reading only. If the database is not exists,the method will create a database from the assetscopyDatabase(android.content.Context, java.io.File, String).

参数:

context -

databaseName -

返回:

抛出:

android.database.sqlite.SQLiteException

getWritableDatabase

public android.database.sqlite.SQLiteDatabase getWritableDatabase(android.content.Context context,
                                                         java.lang.String databaseName)

Open a database which is used for both reading and writing. If the database is not exists,the method will create a database from the assetscopyDatabase(android.content.Context, java.io.File, String).

参数:

context -

databaseName -

返回: