android.rapid.database.sqlite

类 SQLiteHelper<T>

java.lang.Object

android.database.sqlite.SQLiteOpenHelper

android.rapid.database.sqlite.SQLiteHelper<T>

类型参数:

T - Database table class type

public class SQLiteHelper<T>
extends android.database.sqlite.SQLiteOpenHelper

SQLiteHelper

构造器概要

构造器

构造器和说明
SQLiteHelper(android.content.Context context, java.lang.String dbname, java.lang.Class<T> t)

方法概要

限定符和类型	方法和说明
void	delAll() Delete the table specified data
void	delAll(java.lang.String sql, java.lang.String[] selectionArgs) Delete the table all data
java.util.List<T>	findAll() Find the database all data
java.util.List<T>	findAll(java.lang.String sql, java.lang.String[] selectionArgs) Find the database specified data
void	insert(T t) Insert data to table
void	onCreate(android.database.sqlite.SQLiteDatabase db)
void	onUpgrade(android.database.sqlite.SQLiteDatabase db, int oldVersion, int newVersion)
void	setTableName(java.lang.String name) set database table name
void	update(T t) Update data to table

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

SQLiteHelper

public SQLiteHelper(android.content.Context context,
                    java.lang.String dbname,
                    java.lang.Class<T> t)

参数:

context - Context

dbname - Database name

t - Database table class type

方法详细资料

setTableName

public void setTableName(java.lang.String name)

set database table name

参数:

name - table name

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

findAll

public java.util.List<T> findAll()

Find the database all data

返回:

A list for table from database

findAll

public java.util.List<T> findAll(java.lang.String sql,
                                 java.lang.String[] selectionArgs)

Find the database specified data

参数:

sql - Need to find the key

selectionArgs - Need to find the value

返回:

A list for table from database

delAll

public void delAll()

Delete the table specified data

delAll

public void delAll(java.lang.String sql,
                   java.lang.String[] selectionArgs)

Delete the table all data

参数:

sql - Need to delete the key

selectionArgs - Need to delete the value

insert

public void insert(T t)

Insert data to table

参数:

t - Database table class object

update

public void update(T t)

Update data to table

参数:

t - Database table class object