I moved my Android project to a laptop and now I get this when I hit Debug. Sounds like this is a bug? This shouldn't happen via Eclipse as far as I know.
Re-installation failed due to different application signatures.
The weirdest thing is this happened after I upgraded sdk/adt and Eclipse to support SDK 2.2 It was working fine earlier, and now it doesn't, so it might be a bug.
It happens because keystores on your laptop and original pc are different. it's called debug.keystrore
and located in %USER_HOME%/.android/
folder. TO be more specific it happens because eclipse tries to push apk with reinstall key. So you have two options
I also got the same problem and fixed it. you should do the following to fix it,
Uninstall the application from your mobile if you load it already.
To uninstall goto settings->application->manage application.
Hope this will help you
After you copy debug.keystore to your PC, you need to rebuild project on PC.
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