detect if there is a connection to internet

by Marton Kodok » Sun, 15 Nov 2009 17:33:22 GMT

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I want to detect if there is a connection to Internet before launching a
How can I detect it?



detect if there is a connection to internet

by Smelly Eddie » Mon, 16 Nov 2009 01:14:14 GMT

 You can use ConnectivityManager and check the returned networkinfo


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detect if there is a connection to internet

by Indicator Veritatis » Mon, 16 Nov 2009 06:55:59 GMT

 Now maybe Marton will figure it out, he was, after all, the person who
asked the question. But I cannot figure out how to tell whether the
phone is connected to the Internet from NetworkInfo, not even from the
more detailed version, 'NetworkInfo.DetailedState'

Rather, the questions this object answers are just a little different:
on the Wifi net, it tells you when you have a 802.11 connection, on
the phone network, it tells you when the phone network is idle/
connected/disconnected. But I see no way to differentiate between, say
for example, 802.11 MAC level connectivity and 'Internet', which has
to mean at least IP if not TCP level connectivity. After all: the text
does say, "Describes the status of a network interface of a given type
(currently either Mobile or Wifi)". Both of these interfaces can
return CONNECTED without any connection to the Internet being
available. Hopefully, that is not too common in the Mobile case, but
it certainly is common in the WiFi case: it is distressingly frequent
that you have connectivity to the local net, or even to the local
access point -- and no further.

Now maybe this is good enough for Marton. But the question he
originally asked was about "Internet connectivity", which really is


detect if there is a connection to internet

by Mark Murphy » Mon, 16 Nov 2009 12:48:52 GMT 

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detect if there is a connection to internet

by Jabbslad » Mon, 16 Nov 2009 12:48:58 GMT

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