ios - Background fetch stops working after about 10 to 14 hours -
my application uses backgroud fetch send , upload small portion of data every 30 minutes. service working correctly 10 - 14 hours after application minimized working in foregroud - application correctly sending , receiving data every 30 minutes. does know happens service after couple of hours? ios system automatically terminate application , therefore background fetch stops working? can explain? ios provides 30 seconds time frame in order app woken up, fetch new data, update interface , go sleep again. duty make sure performed tasks manage finished within these 30 seconds, otherwise system stop them. maybe internet slow app took more 30 seconds & system stopped application. -(void)application:(uiapplication *)application performfetchwithcompletionhandler:(void (^)(uibackgroundfetchresult))completionhandler{ nsdate *fetchstart = [nsdate date]; // make process here [viewcontroller fetchnewdatawithcompletionhandler:^(uibackgroundfetchresult result) ...