Camera states
Camera states5
Secure context, permission, rear camera, session scope, server gate.
Phase 20 mobile attendance proof
Camera QR check-in
Review the student phone QR scanner state, camera permission gate, manual fallback path, provisional receipt, and server-confirmed attendance boundary.
Otto Fixture BPPE Career School - mobile QR
Student · Maya Rivera
Phone camera attendance proof
Camera QR check-in
Student mobile check-in for Clinical Skills Lab, MA101-LAB-A. The phone receipt stays provisional until the active code, server confirmation, roster scope, and instructor confirmation gates all pass.
Production writes disabled
This local proof does not store raw camera frames, require geolocation, complete offline scans, or write production attendance rows.
Code refresh
Code refresh30s
Active QR windows rotate every 30 seconds.
Scan cases
Scan cases4
Accepted, confirmed, missing check-out, and expired-window cases.
Fallbacks
Fallbacks2
Manual short code and instructor roster review stay available.
Disabled actions
Disabled actions10
No production writes, raw frame storage, or offline completion.
Student phone
Camera scanner
Clinical Skills Lab - Main Campus - Skills Lab 2
Active code30s refresh
MA101-763317
MA101-LAB-A - Blue skills lab
Checked in at 6:24 PM. Waiting for instructor confirmation before attendance is complete.
Camera states
Mobile scanner gates
Secure browser context
Camera access requires HTTPS or local development on supported mobile browsers.
Camera permission prompt
The student must allow camera access before the scanner can read the QR code.
Rear camera preferred
The mobile scanner prefers the environment-facing camera for classroom QR codes.
Session-scoped QR
The active code is scoped to the current section, date, and 30-second window.
Server confirmation gate
The phone shows a provisional receipt until the server and instructor confirmation gates pass.
Server confirmation
Scan outcomes
Camera scan matched active code
6:24 PMMA101-763317 matched MA101-LAB-A
Accepted by server, waiting for instructor confirmation
Confirmed same-day scan
3.00 hMaya Rivera has check-in and check-out evidence
Server accepted and instructor confirmed
Missing check-out scan
No credited hours until resolvedLina Patel has camera check-in only
Queued for instructor review
Expired QR window
Review requiredPriya Singh scanned an expired code
Evidence preserved, not automatically trusted
Fallbacks
Camera-denied paths
Manual short-code entry
Camera blocked or scan unreadableStudents can enter the displayed rotating code if camera permission is blocked or the lens cannot focus.
Instructor roster confirmation
QR exception or missing check-outThe instructor can confirm or review the QR evidence before any attendance row is submitted.
Proof boundary
Disabled actions
Mark attendance complete before server confirms
The student receipt stays provisional until the server accepts the scan and instructor gates pass.
Accept expired QR code automatically
Expired or stale code scans can be preserved as evidence but must go to review.
Complete offline QR check-in
Offline scans cannot be shown as complete until the server confirms them.
Store raw camera frames
The proof reads code evidence only and does not retain raw camera images.
Write production attendance record
Production attendance writes remain disabled in this local mobile proof.
Bypass instructor confirmation
Clock-hour rows remain provisional until instructor confirmation resolves exceptions.
Require geolocation for check-in
This QR proof does not require or store student location data.
Use student ID as QR token
QR evidence uses rotating session codes, never student ID, SSN, or other identifiers.
Disable manual fallback code
A fallback code path stays available for accessibility and camera-denied cases.
Skip roster and session scope checks
Scans must match the active session and enrolled roster before they can be accepted.