For example, let's say I have a menu option "List Users", and I have a button in the List Users view that removes a User.
Then a user of my app clicks in the "Delete User" button, and inmediately clicks in "List Users" option in the menu. This RPC goes to the server before that the deleteUser RPC is done. And maybe also the fetchUsers RPC is back before the deleteUser RPC efectively deleted the user, so in the list will come the deleted user.
So I was looking a way to don't allow the user to go to the Users Lists activity before the deleteUser rpc is done.
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