Unable to resolve host “” No address associated with hostname

Question

I tried following this tutorial: Getting Data from the Web

I tried implementing it on Android 3.0, the latest platform for tablets, however, I get this error: \"

Answer 1

This error because of you host cann't be translate to IP addresses via DNS.

Solve of this problem :

1- Make sure you connect to the internet (check quality of network).

2- Make sure you take proper permission to access network