Dianne, thank you very much! 2011/11/8 Dianne Hackborn <hack...@android.com>
> If you are closing the cursor yourself, you really shouldn't be having the > framework manage the cursor at all. I mean... the point of having the > framework manage the cursor is for it to close it (and otherwise manage it) > for you. If you are then going to try to close it yourself, you then get > to fight with the framework about who owns it. > > Also, loaders are not tied to content providers. If you have something > else to load, you can make your own subclass of AsyncTaskLoader. > > That said, the framework is really oriented around accessing data through > content providers. I think you'll find it simpler to just go with that > rather than having to build up the various conveniences it already provides > for them. > > > 2011/11/7 Júlio Cesar Bueno Cotta <juliocbco...@gmail.com> > >> Can someone try to help me please? I really preciate if it happen. >> I am stuck with the Android documentation. >> Should I convert all my SQLite methods to use Content Providers? >> Thanks in advance. >> >> >> 2011/11/5 Júlio Cesar Bueno Cotta <juliocbco...@gmail.com> >> >>> Hi people, >>> I think I need some help here. >>> I did some search in the group and found this few >>> topics<https://groups.google.com/forum/#%21searchin/android-developers/startManagingCursor$20deprecated>about >>> my questions, so sorry if I am being silly. >>> >>> First, When should I close my Cursors? I always close them in the >>> onPause method of an Activity (with the code bellow), and due a HoneyComb >>> issue before "open" the Cursor I check if it's not null and "opened" to >>> avoid the error described >>> here<https://groups.google.com/forum/#%21searchin/android-developers/startManagingCursor$20deprecated/android-developers/BlgTO-yQHX4/whQZ345ITb0J> >>> : >>> >>> protected void onResume () { >>> if(cursor != null && !cursor.isClosed()){ >>> stopManagingCursor(cursor); >>> cursor.close(); >>> } >>> cursor = getCursorFromMySQLiteDataBase(); >>> startManagingCursor(cursor); >>> >>> //use cursor to fill a ListView ou Spinner >>> } >>> >>> protected void onPause () { >>> >>> if(cursor != null && !cursor.isClosed()){ >>> stopManagingCursor(cursor); >>> cursor.close(); >>> } >>> } >>> >>> } >>> >>> Stop the cursor in onPause method seems to be a good thing because, when >>> I call another Activity from this, the father Activity is paused, right? I >>> also because when I close the app, onPause is also performed, right again? >>> >>> I know the startManagingCursor and StopManagingCursor is deprecated >>> (this >>> page<http://developer.android.com/reference/android/app/Activity.html#startManagingCursor%28android.database.Cursor%29>says >>> it): >>> >>> "Use the new >>> CursorLoader<http://developer.android.com/reference/android/content/CursorLoader.html>class >>> with >>> LoaderManager<http://developer.android.com/reference/android/app/LoaderManager.html>instead; >>> this is also available on older platforms through the Android >>> compatibility package. " >>> >>> But CursorLoader and LoaderManager works just with ContentProviders, >>> right? That I am doing (above code) it's a bad thing? I need to get a away >>> to change all my databases methods to use only ContentProviders? >>> >>> The documentation is not very clear about it. >>> Here<http://developer.android.com/reference/android/content/ContentProvider.html>say: >>> >>> "If you don't need to share data amongst multiple applications you can >>> use a database directly via >>> SQLiteDatabase<http://developer.android.com/reference/android/database/sqlite/SQLiteDatabase.html>. >>> " >>> >>> but how to keep managing my Cursors from SQLiteDatabase without use >>> [start,stop]ManagingCursor (since it's deprecated and probably soon it will >>> not be there)? >>> >>> Well, I made a lot of questions in this topic, I don't want to mess >>> around, I am just lost in those questions. >>> >>> Sorry again if I am being not clear enough about, I tried to, English is >>> not my first lang. >>> Thanks in advance. >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Android Developers" group. >>> To post to this group, send email to android-developers@googlegroups.com >>> To unsubscribe from this group, send email to >>> android-developers+unsubscr...@googlegroups.com >>> For more options, visit this group at >>> http://groups.google.com/group/android-developers?hl=en >> >> >> >> >> -- >> Júlio Cesar Bueno Cotta >> Bacharel em Ciência da Computação pela UFV >> Mestrando em Ciência da Computação pela UFABC >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Android Developers" group. >> To post to this group, send email to android-developers@googlegroups.com >> To unsubscribe from this group, send email to >> android-developers+unsubscr...@googlegroups.com >> For more options, visit this group at >> http://groups.google.com/group/android-developers?hl=en >> > > > > -- > Dianne Hackborn > Android framework engineer > hack...@android.com > > Note: please don't send private questions to me, as I don't have time to > provide private support, and so won't reply to such e-mails. All such > questions should be posted on public forums, where I and others can see and > answer them. > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to android-developers@googlegroups.com > To unsubscribe from this group, send email to > android-developers+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Júlio Cesar Bueno Cotta Bacharel em Ciência da Computação pela UFV Mestrando em Ciência da Computação pela UFABC -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
