Android的sqlite的保持连接开放 [英] Android sqlite leaving connection open
问题描述
我创建了一个SQLiteDatabase实例,并调用 getReadableDatabase()
或 getWritableDatabase()
和处理数据的方式,但我永不落幕通过 db.close数据库()
。它是不好不收呢?我尝试添加 db.close()
我的的onStop()
或的onDestroy()
方法,但它只是强制关闭。
I create a SQLiteDatabase instance and call getReadableDatabase()
or getWritableDatabase()
and manipulate data that way but I never close the database via db.close()
. Is it bad to not close it? I tried adding db.close()
to my onStop()
or onDestroy()
methods but it just force closes.
推荐答案
尽可能晚地打开一个连接。尽快将其关闭。关闭它在一个finally块,以确保它被关闭。
Open a connection as late as possible. Close it as soon as possible. Close it in a "finally" block to make sure it gets closed.
和在一般情况下,在相反的次序将获得它们处置资源的
And in general, dispose of resources in the reverse order that you obtain them.
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