You're specifying a null projection, which doesn't work for playlist members.
On Mon, Jun 15, 2009 at 9:07 PM, Ondra Zahradnik <[email protected]>wrote: > > Hello, > > I am trying to get members of music playlist by following query to > content resolver on Android 1.5. > > Uri s = Uri.withAppendedPath(ContentUris.withAppendedId > (Playlists.EXTERNAL_CONTENT_URI, id), Members.CONTENT_DIRECTORY); > Cursor songsCursor = cr.query(s, new String[]{}, null, null, ""); > > where "id" is id of existing playlist which I retrieve in previous > step and uri in "s" looks like > content://media/external/audio/playlists/1/members > > This snippet fails on some NPE deep in MediaProvider.query(...) method > as following stacktrace shows > > Writing exception to parcel > java.lang.NullPointerException > at > com.android.providers.media.MediaProvider.query(MediaProvider.java: > 804) > at android.content.ContentProvider$Transport.bulkQuery > (ContentProvider.java:112) > at android.content.ContentProviderNative.onTransact > (ContentProviderNative.java:97) > at android.os.Binder.execTransact(Binder.java:287) > at dalvik.system.NativeStart.run(Native Method) > > I do similar thing with members of Genre and everything works as > expected. > > I am about to fire bug do Android but I would like to be sure that > nobody knows what can be wrong. > > Thank you. > > Ondra Zahradnik > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
