If the NullPointerException happens directly on that line, then your db variable is null.
On Mon, May 9, 2011 at 7:49 AM, Capt Spaghetti <gene_august...@msn.com> wrote: > I have been using the debugger to step through and the error is caused > by the line: > > db.delete("TempCourses", null, null); > > The error occurs whether I check if there is data in the table or not. > I guess I could try and > drop the table everytime I want to clear it but it certainly seems I > should be able to delete the > contents. > > I have also tried the following: > > String sql = String.format("DELETE FROM TempCourses WHERE _id > > 0 "); > db.execSQL(sql); > > I get the same NullPointerException error on the line: > > db.execSQL(sql); > > Thanks... > > > > > On May 7, 12:09 pm, Kostya Vasilyev <kmans...@gmail.com> wrote: >> Assuming that com.oys.... is your application's package, you have a null >> pointer access somewhere. >> >> The exact location is just below the lines you posted. You could also >> use the debugger to step through, checking that variables are not null >> before you access them. >> >> -- Kostya >> >> 07.05.2011 19:42, Capt Spaghetti пишет: >> >> > 05-07 15:12:07.201: ERROR/AndroidRuntime(318): >> > java.lang.RuntimeException: Unable to start activity >> > ComponentInfo{com.oys.gfa.acecapper/ >> > com.oys.gfa.acecapper.DownSelectCourse}: >> > java.lang.NullPointerException >> >> -- >> Kostya Vasilyev --http://kmansoft.wordpress.com > > -- > 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 > -- Mark Murphy (a Commons Guy) http://commonsware.com | http://github.com/commonsguy http://commonsware.com/blog | http://twitter.com/commonsguy Android Training...At Your Office: http://commonsware.com/training -- 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