Android app signature?

[Roger Eller]

Chip,

I get the same error as you, even if I sign for development only, but have
worked on the stack on different computers.  Unless I always build the apk
on the same machine, the user has to uninstall the app just to install an
update.  I don't like it, but I don't know how to correct the problem.

~Roger


On Mon, Jan 27, 2014 at 5:12 PM, Chip Thomas <livecode.list at gmail.com>wrote:

> I built the standalone for my app update using the same keystore I used
> with the original release.
>
> But when I try to run the APK on my device (emailed to myself), I get this
> error:
>
> "Application not installed. Package with that name and different signature
> already installed."
>
> After some research, I used keytool to compare the certificate fingerprints
> of the META-INF/*APP*.RSA files of both the original apk and the new one,
> and they match.  Would that be a good indicator that these should be the
> same signature?
>
> I definitely don't want users to have to uninstall and reinstall the app in
> order to get this update.
>
> Any help or insight is greatly appreciated!
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