Your mDbHelper is null. Initialize it. And learn to use LogCat instead of guessing with the logs the row that crashes the app, it really helps.
You are right I had stupidly missed of the mdHelper initialization. Had a closing cursor error after that so added c.close(), then have a index out of bounds error now have tried c.movefirst() will get to the bottom of it hopefully. So I do use the LogCat but sometimes don't understand what it is on about.
I only have 1 row, was using LogCat as a sort of breadcrumb like how far did get. Thanks for your help. – Mark Quinn Aug 16 at 13:42 Yes at last it works.
Well I have only spent 4hrs on that tiny problem. Thanks again for your help. – Mark Quinn Aug 16 at 13:53 If you have an empty logcat on app crash, check if your try/catch blocks and ensure you don't swallow any exception w/o printing them.
Also debugger can help and show you the line that cause the exception and the variable that is null. – ernazm Aug 16 at 14:14.
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