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Save your .keystore files

 
Robin Nixon
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Another thing I disovered recently (that I should have put in the book, and will in the next edition) was that after signing an app and uploading it to the Android Market, if you ever want to be able to update the app you must keep a copy of the .keystore file you used. There is no other way to update an app without it. So mail it to yourself on Gmail or something because you will need it one day.

For example if you have an app with 50,000 installed users, and want to upgrade them or tell them about a new app of yours, without the .keystore file you will be a very unhappy developer.
 
Vyas Sanzgiri
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Can you elaborate what is a .keystore? Is it part of certificate management?
 
Robin Nixon
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Yes. When you create a certificate a filename.keystore file is saved to disk. Keep that file, you will use it to sign updates to the app in future.
 
zoheb hassan
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Thanks for the heads up robin, it would definitely be useful for the first time android app publisher in the market
 
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