Can I use WiFi to transfer data/messages between two android phones, not connected to a router?
I'm aware that if two Android phones are connected to a same wifi network, they can implement socket programming to transfer data between them But I actually want to know if you can use wifi as a transfer medium between two Android phones, just like you Bluetooth? With Android 2.2+ it is possible to create a WiFi hot-spot on one device so another device can connect. Internet connection on either device is not required. mpontillo What you are looking for is ad-hoc wireless networking , which is not well supported on the Android platform. (but some people have bravely rooted their phones and