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
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