Apple announced a Sign in with Apple service at its WWDC developer conference in June 2019. If you’re familiar with social login with Google or Facebook, it’s very similar. Most of these identity services use OAuth and OpenID Connect (OIDC), and Apple’s implementation is similar. Today I’d like to show you how to develop a mobile application with Ionic, add OIDC authentication, retrieve the user’s information, and add social login (aka federated identity) with Apple...

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