iOS: Internet connection available?

Scott Rossi scott at tactilemedia.com
Wed Oct 10 17:15:38 CDT 2012


As a follow up to Colin's comment, if you decide to check Internet
availability using the default behavior of your app and you have a server
or host that you're relying on, use that server for the test.  Folks will
often suggest using google.com as a network test because it's almost 100%
guaranteed to be available, but that won't help your app if your own
server isn't available.

Regards,

Scott Rossi
Creative Director
Tactile Media, UX Design




On 10/10/12 2:59 PM, "Chris Sheffield" <cmsheffield at me.com> wrote:

>I did just read through that.
>
>Unfortunately, it doesn't seem to be working properly. Or maybe I'm not
>using it in the right way. When I tried testing it just now, I always got
>an empty value back in the reachability info, even when I had WiFi turned
>on. It looks like it's designated as "experimental", so maybe it's just
>not polished up yet.
>
>I did find another working solution, but whether or not it's reliable
>remains to be seen. There's a networkInterfaces property. This appears to
>return simply "127.0.0.1" when no Internet connection is available. If
>there is a connection available, it returns a list of all IP addresses,
>one for each available network interface. I'll be testing this out some
>more, but so far it looks promising.
>
>Thanks for the suggestion about network reachability. That would probably
>be the better way to go if it were working...
>
>Chris
>
>
>On Oct 10, 2012, at 3:51 PM, Guglielmo Braguglia <guglielmo at braguglia.ch>
>wrote:
>
>> Hi Chris,
>> read the "iOS Release Notes", paragraph : "Network reachability
>>checking" ... :)
>> 
>> Guglielmo
>> 
>> 
>> On 10.10.2012 23:39, Chris Sheffield wrote:
>>> Does anyone have a good way in an iOS app to determine if an Internet
>>>connection is available? I'm not finding anything very useful in the LC
>>>Dictionary. Bonus points if there's also a way to determine the type of
>>>connection available (WiFi vs. cell service (3G/4G)).
>>> 
>>> Thanks,
>>> Chris
>>> 
>>> 
>>> --
>>> Chris Sheffield
>>> Read Naturally, Inc.
>>> www.readnaturally.com
>>> 
>>> 
>>> 
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>> 
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