Short answer - you need the  keystore/private key 

Discussion here:  
https://groups.google.com/forum/?fromgroups#!topic/android-developers/pocbQfvBdoU
 
Answer from Google Play Team 
here: 
https://groups.google.com/d/msg/android-developers/pocbQfvBdoU/xdixdYr7_WQJ
(same thread just linked into it)

On Thursday, August 2, 2012 4:13:56 PM UTC+1, dk80 wrote:
>
> Hi,
> I have been working on updating an Android app for a client who outsourced 
> the original app to another developer. We need to sign the new version of 
> the app but we can't get in contact with the original developer to get the 
> keystore/private key. Is there still a way I can sign the app with the 
> original certificate or release the update with a new certificate? I have 
> read an article that seems to suggest that you would need to release a 
> whole new app rather than upgrading the existing one if you use a different 
> certificate, is that true?
>
>

-- 
You received this message because you are subscribed to the Google Groups 
"Android Security Discussions" group.
To view this discussion on the web visit 
https://groups.google.com/d/msg/android-security-discuss/-/acktMdcAQIYJ.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to 
[email protected].
For more options, visit this group at 
http://groups.google.com/group/android-security-discuss?hl=en.

Reply via email to