android - Google Maps does not work -

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i working on android 2.2 project. project needs display google map user. select build target android 2.2 , google maps classes don't includes in it. how solve problem?

i got 

[2011-05-11 10:52:54 - chapter 8 5] re-installation failed due different application signatures. [2011-05-11 10:52:54 - chapter 8 5] must perform full uninstall of application. warning: remove application data! [2011-05-11 10:52:54 - chapter 8 5] please execute 'adb uninstall com.paad.whereami' in shell. [2011-05-11 10:52:54 - chapter 8 5] launch canceled!

when try run tutorial on google maps on google apis 3.0

use google api 2.2 .

for uninstalling application command line, either add android-sdk path in $path variable or go platform-tools folder in android sdk installation. thee give command.


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