Learn how to connect an Android Flutter app to IdentityServer and call an API in this 33-minute tutorial. Explore the process of integrating Flutter with ASP.NET Core 3 and IdentityServer4, covering topics such as imports, URL creation, configuration editing, and app execution. Gain hands-on experience with running IdentityServer, handling credentials, using HTTP clients, and attaching access tokens. Follow along with step-by-step instructions and access the provided source code and essential Flutter packages to enhance your mobile app development skills.