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--- flutterui:biopin_security [2026/03/23 14:30]
admin created
+++ flutterui:biopin_security [2026/03/23 14:52] (current)
admin
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-With ''f_secure'' you screen needs biometric or PIN authentication before you can use it. It will show a skeleton screen:
+~~NOTRANS~~
+~~Title: Biometric & PIN security~~
+It doesn’t take much effort to add biometric or PIN authentication to an application. Just configure it!
+We support 3 layers:
+  * Application security
+  * Screen security
+  * Button security
+To configure application security, simply enable biometric authentication in mobile.xml:
+<file mobile.xml>
+<FlutterMobile>
+  <parameters>
+    <!-- Biometric login -->
+    <Mobile.login.biometric>true</Mobile.login.biometric>
+  </parameters>
+</FlutterMobile>
+</file>
+This option will show biometric or PIN authentication (depends on your device configuration) immediately after first successful manual login:
+{{:flutterui:app_secure.png?nolink&300|}}
+You will need to re‑authenticate after a longer period of inactivity or if you resume the app after a pause. The biometric authentication is active as long as you don't do a manual logout.
+If it's good enough to secure your application on screen level, just add the style:
+''f_secure''
+to your screen(s) and you'll see a skeleton:
 {{:flutterui:screen_secured.png?nolink&300|}}
 until successful authentication.
+The last option is a security mechanism for single button clicks:
+{{:flutterui:button_secured.png?nolink&300|}}