Get the map API Key

Developers need to apply for a validated set of map API keys before they can use Google Maps services before they develop based on the Google Maps service. The application process is as follows:
1. open Window | In eclipse Preference "menu, select" Android "at once in the options on the left | Bulid, you can see the path to the default debug KeyStore in the Panel on the right.
2. Open the cmd command line and use the Keytool tool from the JDK to generate the MD5 fingerprint via KeyStore.
3. Sign up for a Google account, or Gmail account, and log in.
4, after obtaining the MD5 fingerprint authentication, open the browser, enter "Https://developers.google.com/android/maps-api-signup" in the Address bar, enter the Map API key Generation page.
5. Enter the MD5 authentication fingerprint previously obtained in the My certificate's MD5 fingerprint text box at the bottom of the page, and tick the checkbox in front of "I have read and agree with the terms and conditions". Then click the "Generate API k only" button.
6, the Map API key application success.

Get the map API Key