Perform a test run of the application to verify that the API key is correctly configured. Assuming that the configuration is correct, the application will run and display a map on the screen.
In the event that a map is not displayed, check the following areas:
•If the application is running on an emulator, make sure that the emulator is running a version of Android that includes the Google APIs. The current operating system can be changed for an AVD configuration by selecting the Tools -> Android -> AVD Manager menu option, clicking on the pencil icon in the Actions column of the AVD followed by the Change… button next to the current Android version. Within the system image dialog, select a target which includes the Google APIs.
•Check the Logcat output for any areas relating to authentication problems with regard to the Google Maps API. This usually means the API key was entered incorrectly or that the application package...
