May 31, 2026 · 5 min read · 57 views
Secure Android Authentication with OAuth2/OIDC, PKCE, and Android KeyStore
TL;DR: Most Android auth tutorials stop at "get the token." This article covers what happens next — how to protect tokens at rest using hardware-backed Android KeyStore encryption, prevent authorization code interception with PKCE, and build a fully reactive MVVM auth system fit for production fintech apps.
5 min read · 57 views
