Implementation of NSOperationQueue by sending request & Storing response in Database parallely

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I have implemented NSOPERATIONQUEUE By sending request and i can able to download response from server but the problem is i cant able to parallely process the sqlite to insert/update the response,i am getting Database Locked Error.So Can anyone suggest me a solution to work with database for insertion/updation of my downloded response??

Posted 15-Sep-15 0:23am

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KarstenK · Answer 1 · 2015-09-16T22:27:00

Solution 1

you must use GCD to run all databse commands in the main thread. It is a common pattern in ios to syncronize download and main thread.

C++

dispatch_async(dispatch_get_main_queue(), ^{
 // your do stuff
});

Here is a nice tutorial from Ray Wenderlich.

Posted 16-Sep-15 22:27pm

KarstenK

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[no name] 18-Sep-15 1:00am

Thanks for your reply,
can u tell me when dispatch_async gets completed ?, because i want to stop progress bar..