Using Google Maps in Android

http://mobiforge.com/developing/story/using-google-maps-android

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my API key what i followed

Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.

C:\Users\balaji>Cd Program Files\Java\jdk1.6.0_21\bin
The system cannot find the path specified.

C:\Users\balaji>cd\

C:\>cd C:\Program Files\Java\jdk1.6.0_21\bin

C:\Program Files\Java\jdk1.6.0_21\bin>keytool.exe -v -list  -alias androiddebugk
ey -keystore "C:\android\debug.keystore" -storepass android -keypass android
keytool error: java.lang.Exception: Keystore file does not exist: C:\android\deb
ug.keystore
java.lang.Exception: Keystore file does not exist: C:\android\debug.keystore
        at sun.security.tools.KeyTool.doCommands(KeyTool.java:569)
        at sun.security.tools.KeyTool.run(KeyTool.java:172)
        at sun.security.tools.KeyTool.main(KeyTool.java:166)

C:\Program Files\Java\jdk1.6.0_21\bin>keytool.exe -v -list  -alias androiddebugk
ey -keystore "C:\Users\balaji\.android\debug.keystore" -storepass android -keypa
ss android
Alias name: androiddebugkey
Creation date: 21 May, 2012
Entry type: PrivateKeyEntry
Certificate chain length: 1
Certificate[1]:
Owner: CN=Android Debug, O=Android, C=US
Issuer: CN=Android Debug, O=Android, C=US
Serial number: 4fba250f
Valid from: Mon May 21 16:50:47 IST 2012 until: Wed May 14 16:50:47 IST 2042
Certificate fingerprints:
         MD5:  75:61:5A:5A:14:4B:E6:77:2B:95:79:7E:FE:8F:7C:9D
         SHA1: 46:0F:AB:FF:BF:4C:8D:0D:8A:D9:6F:FD:BE:D4:04:8B:A9:E8:66:97
         Signature algorithm name: SHA1withRSA
         Version: 3

C:\Program Files\Java\jdk1.6.0_21\bin>
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if error comes like dot


http://mirnauman.wordpress.com/2012/01/30/using-google-maps-in-android-development-tutorial-part-1/