google maps using API V2 with mapfragment

Question

I am doing this tutorial about:Showing current location in Google Maps using API V2 with SupportMapFragment

I followed the steps carefully, but at the end the map doesn't appear, just a gray screen with longitude and latitude.

http://wptrafficanalyzer.in/blog/showing-current-location-in-google-maps-using-api-v2-with-supportmapfragment

Answer 1

I solved it :) when creating the API key, I just misspelled the package name