Map Only Displays Tiles

I've read many problems like this and also tried the solution but it still display grey tiles, I checked the manifest and looks ok. I am testing it on my device. Here is my manifes

Solution 1:

Most likely, the key that you are using to build the application doesn't match the key you used to generate the google maps api key.

Double check the default keystore configuration.

If you are using Eclipse + ADT go to:

Window > Preferences > Android > Build > Default debug keystore

Solution 2:

The API Key for "debug" ONLY works on emulators. If you use Eclise to load the software in "debug mode" to a handset, you will get tiles, not a map. If you update the mapview with a "release" API key, then use Eclipse "EXPORT" to create an apk file, copy this to the sd card on the handset, then use an installer app (download free from Google Play) to install it on the phone!!!