ios - No internet access on startup of app -

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my app makes network call data @ startup of app. network call made in viewdidload. i'm using reachability class detect internet availability before making call. (most of times) give me no internet access right away.

i'm unable understand assumptions of ios on subject. i.e apps stalled sometime till allotted internet access etc. happens in background? have seen many apps achieve same functionality without major errors. doing i'm missing. general approaches same problem on other platforms well? (android etc.)


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