This tutorial optimising the specialised Parse.com class PFuser to verify login credentials and uses an awesome library called Locksmith Keychain that stores information in the iOS Keychain to remember whether or not the user is currently logged in. Download the code Jump straight to the download Prerequisites This tutorial assumes that you have at least a basic understanding of the Swift programming language, the structure of Xcode projects and finally how to create a new single view application in Xcode ...
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