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
>
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