Two types of keys for publishing Android apps to Play Store

When publishing android apps to play store, you ned to know about these 2 keys -

  1. Upload keys
  2. App signing key

Upload keys

  • You generate the private key.
  • You upload the public keyto Google Play.
  • You sign your app using your private upload key, Google can verify the signature on the file and trust that you created it.
  • You make sure you keep is a secret.
  • You make sure you don't loose it.
  • If you loose you can change but it takes a few days.

App signing keys

  • Google generates the private key and keeps it safe secretly.
  • Google never gives you this key
  • You cannot loose this key, because you don't have it.
  • But you have to trust google that they don't misuse it.
  • If google looses the key you can push updates to the app you must create a new app.
  • Earlier this key was managed by developers and some of them did loose it and hence their apps.
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