http://code.google.com/intl/zh-CN/android/maps-api-signup.html
C:/Users/Administrator>keytool -list -alias androiddebugkey -keystore "C:/Users/Administrator/.android/debug.keystore" -storepass android -keypass androidandroiddebugkey, 2011-4-14, PrivateKeyEntry,认证指纹 (MD5)： 7C:2B:F3:0B:46:D8:08:C8:CA:C2:BD:7D:89:71:01:4C
