I want to get rid of the error which is telling me that there is a leak in my app because my db gets opened twice. The db doesn't need to be open the whole time but it is accessed quite often so I don't think it would be very performant to open and close it for every access.
On 16 Jul., 09:10, YuviDroid <[email protected]> wrote: > mmm I'm not really sure what you are trying to achieve. Exactly, at what > times do you want to open/close the db? The db should stay open while your > application is running? So, even when you switch among activities (yours > activities)? > > > > On Thu, Jul 15, 2010 at 6:36 PM, Bender <[email protected]> wrote: > > @YuviDroid > > > I'm trying the following at the moment: the open() only gets called in > > both onCreate() methods with: > > > mDb = new DbAdapter(this); > > if(mDb.getDatabase() == null || !mDb.getDatabase().isOpen()) { > > mDb.open(); > > } > > > The problem I'm having with this is, that there is always a new > > DbAdapter created which is fine when the activity is created the first > > time. But this way "mDb.getDatabase() == null" will be always true > > because its a new mDb. > > > So I either need to find a way to check if the database is opened > > without "mDb" or need to remember mDb even if the activity is stopped. > > > @Kostya Vasilyev > > > I tried that, but then my app crashes while switching between > > activities. When I was searching for the error I put logs in the > > open() and close() methods by my DbAdapter and I could see the > > following: > > > * open() (app, activity1 started) > > * open() (i hit a button in activity1, activity2 is starting and > > open is called within onStart) > > * close() (activity1 is stopped, in onStop close is called) > > > When I go back to activity1 it throws an exception because the > > database is closed. -.- > > > -- > > You received this message because you are subscribed to the Google > > Groups "Android Beginners" group. > > > NEW! Try asking and tagging your question on Stack Overflow at > >http://stackoverflow.com/questions/tagged/android > > > To unsubscribe from this group, send email to > > [email protected]<android-beginners%[email protected]> > > For more options, visit this group at > >http://groups.google.com/group/android-beginners?hl=en > > -- > YuviDroidhttp://android.yuvalsharon.net -- You received this message because you are subscribed to the Google Groups "Android Beginners" group. NEW! Try asking and tagging your question on Stack Overflow at http://stackoverflow.com/questions/tagged/android To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en
