A Complete Guide to Seamlessly Managing Token Expiry and Refresh in Android Apps

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Handling token expiration is crucial for API security in Android apps. Using OkHttp's Authenticator and Interceptor, you can automate the process of refreshing expired tokens. The AuthInterceptor appends the Authorization header to every request, while the TokenAuthenticator refreshes tokens upon receiving a 401 Unauthorized response. This setup ensures seamless token refresh, automatic retry of failed requests, and graceful handling of failures by logging out the user if needed.

Handling Token Expiration in Retrofit: Automatic Token Refresh with OkHttp