I have a couple of questions about connectivity on Android, if anyone
has any insight it would be great.

What is the default when an application wants to wirelessly connect?
Is it wlan? And if wlan is switched off or there is no access points
around is it 3g or gprs?

Is a device always ip connected? Or when its disabled from wlan or 3g
does it's lose its ip address?

Is an application, for example the browser only ever connected to one
ip address? Or can it be connected to multiple addresses for each
radio such as gprs or wifi (wlan)?

Can an application decide which connection to open a socket to? For
example can I create an application and decide whether to connect the
socket to the wlan or gprs? Or does the OS decide?

Finally how do native applications handle connectivity? In the same
manner?

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