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I have a problem when I try to login facebooj in my app with facebook. My app work good in simulator in Android Studio but after I uploaded my apk to Google Play and I try to login I get the following error: Invalid key hash. The key hash .... does not match any stored key hash. But in my simulator it works and I print my app key hash with some code and putted it in my Facebook Developer page.

If i delete my app from facebook applications and I login for first time, it works fine. But after I do a second login, I get the eroor "Invalid key hash" Help me please...

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    Possible duplicate of [Facebook key hash does not match any stored key hashes](http://stackoverflow.com/questions/20301025/facebook-key-hash-does-not-match-any-stored-key-hashes) – mbmc Jun 16 '16 at 20:51
  • @mbmc This didn't help. I've removed face app and added the new hash key of android studio. It works on simulator but not on my phone... – Maverick Contacts Jun 16 '16 at 23:39

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In this answer, this user suggest to create a new key and a new app, it seems work.

Facebook key hash does not match any stored key hashes

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Erik Minarini
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