On 13 January 2011 04:00, herry <xinwei...@gmail.com> wrote:

> all, i got a problem: when i want to figure out if the device is in
> global roaming or just national roaming , i found that : android only
> give a confused answer in TelephonyManager(isNetworkRoaming()),but i
> need more information.

There's no "national roaming". If you want to know when you or different
carrier simply check network code and match base one. If different
and isNetworkRoaming() == false then you are locally but on different carrier.

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