摘要: 如果定义:Context ctx = MsgLighter.this;那么:DatabaseHelper dbHelper = new DatabaseHelper(MsgLighter.this,"firstdb");就可以写成:DatabaseHelper dbHelper = new Data... 阅读全文
posted @ 2013-11-16 14:43 LarryLawrence 阅读(261) 评论(0) 推荐(0)