国家开放大学 / Android智能手机编程
正确率:100%
http://sichuan.ouchn.cn/theme/image.php/boost/core/1617952675/s/egg
A.
getReadableDataBase in SQliteOpenHelper
B.
onUPgrade(SQLiteDataBase db,int oldVersion,int newVersion)
C.
openDataBase (“testdemo”,null, SQliteDataBase.OPEN_READWRITE) in SQliteDataBase
D.
getWritableDataBase in SQliteOpenHelper
参考答案: