Mapview ApiKey - AurorumTeam1/android GitHub Wiki
If you are using Eclipse/ADT and are unsure where the debug keystore is located, you can select Windows > Prefs > Android > Build to check the full path, which you can then paste into a file explorer to locate the directory containing the keystore.
keytool -list -alias androiddebugkey -keystore <path to keystore>\debug.keystore -storepass android -keypass android -v
https://developers.google.com/android/maps-api-signup
values\mapviewkey.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="mapViewApiKey"> Your own Google MapView ApiKey goes here! </string>
</resources>
https://developers.google.com/maps/documentation/android/mapkey