Can I test android apps on a phone with no phone service

Can one 开发者_如何学Gobuy a used device with no phone service and use it for testing apps?

Second question: can wifi be used on such a phone, to connect to the internet?

Yes you can! :)

( You can connect to wifi too! )

The following links maybe of interest to you:

http://www.androidpit.com/en/android/market/apps/app/bohlool.net.wifiadb/ADB-over-WIFI-Widget

http://developer.android.com/guide/developing/device.html

Why not?

I recently traveled through Canada without phone service, and used my Android to connect to the hotel wifis, no problem at all. Moreover, you can install apps via file copy and a program like astro manager, or use the debug interface over USB.

You cannot test an app for telephony, obviously :-)