Tag

keychain

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All General Ubuntu Linux Install

Android Sep 13, 2026 3 min read

Flutter Login and Signup Screen tutorial: iOS + Android + PHP 8 + Biometrics

A Flutter app for iOS and Android with signup, login, logout and Face ID or fingerprint unlock, talking to a PHP 8 API. The session token goes in the Keychain or the Android Keystore, and the forms work with password AutoFill on both platforms.

iOS Sep 13, 2026 4 min read

iOS Login and Signup Screen tutorial: SwiftUI + iOS 26 + PHP 8 + Face ID

Eleven years after the Swift 2 version, here is the login and signup tutorial again: SwiftUI screens, async/await networking, the session token in the Keychain, Face ID unlock, and a PHP 8 API that stores passwords and tokens the way they should be stored.