Attendance Management System SpecificationOverviewMobile application for managing employee attendance with live selfie check-in, location tracking, and reporting features for a company with 400 employees across sales, manager, HR, field, and other teams. Includes admin and manager functionalities with additional features for enhanced usability and security.General FeaturesPlatform: Native mobile application (iOS and Android), with optional web app for admin access.Authentication: Secure login with username and password, managed by team managers.Real-time Location: Mandatory live location during check-in, with automatic logout on location disable.Selfie Verification: Live selfie required during check-in, taken within company premises.Reporting: Admin can generate and download weekly/monthly attendance reports in CSV/Excel format.Role-Based Access: Admin, manager, and employee roles with distinct permissions.Notifications: Push notifications for check-in, check-out, and location-related alerts.Additional FeaturesBiometric Authentication: Fingerprint or face recognition for secure login.Geofencing: Restrict check-in to predefined company locations using GPS boundaries.Offline Mode: Queue attendance actions when offline, sync when online.Shift Management: Support for multiple shifts with customizable schedules.Leave Integration: Employees can view and request leaves within the app.Audit Trail: Track all user actions (login, logout, report generation) for accountability.Multi-language Support: Interface in multiple languages for diverse teams.Dashboard Analytics: Visual attendance trends for admins and managers.Panels and Pages1. Login ScreenPurpose: Authenticate users (employees, managers, admins).Features:Username and password input fields.Biometric login option (fingerprint/face ID)."Forgot Password" link for recovery via email.Multi-language toggle.Validation:Ensure valid credentials.Block login if location services are disabled.UI Elements:Text fields for username/password.Biometric prompt button.Language selector dropdown.Submit button and forgot password link.2. Attendance Check-In PagePurpose: Record employee check-in with selfie and location.Features:Live selfie capture using device camera.Real-time GPS location capture with geofencing validation.Timestamp recording (date, time).Confirmation popup after successful check-in.Offline mode: Stores selfie and location data locally for syncing later.Validation:Selfie must be live (anti-spoofing with blink detection).Location must be within company geofence.Alert if location services are disabled during check-in.UI Elements:Camera view for selfie."Capture Selfie" button.Location status indicator.Submit button.3. Attendance Check-Out PagePurpose: Record employee check-out with location verification.Features:Captures current location and timestamp.Optional selfie for check-out (configurable by admin).Automatic logout if location services are disabled (sends notification to manager with last known location).Offline mode support.Validation:Location must be active unless offline mode is triggered.UI Elements:Location status indicator."Check-Out" button.Optional camera view for selfie.4. Employee DashboardPurpose: Provide employees with attendance and schedule overview.Features:Display today’s check-in/check-out status.View weekly attendance history.Shift schedule display (if applicable).Leave request submission form.Push notifications for shift reminders or admin announcements.UI Elements:Attendance status card (checked-in/out).Weekly calendar view.Leave request button.Shift schedule table.5. Manager DashboardPurpose: Manage team attendance and access control.Features:Create/edit employee login credentials (username, password).View real-time attendance status of team members.Receive notifications for employee location disablement (with last known location).Approve/reject leave requests.View team attendance analytics (e.g., late check-ins, absenteeism).UI Elements:Employee list with status (checked-in/out).Credential management form.Leave approval interface.Analytics charts (bar/pie for attendance trends).6. Admin DashboardPurpose: Oversee all employee attendance and generate reports.Features:Real-time map view of all employees’ live locations (if checked-in).Generate and download attendance reports (weekly/monthly) in CSV/Excel.Configure geofence boundaries and shift schedules.Audit trail of all user actions (login, logout, report downloads).Enable/disable optional features (e.g., check-out selfie, offline mode).UI Elements:Interactive map with employee location pins.Report generation form (select date range, format).Geofence setup interface.Audit log table.Feature toggle switches.7. Leave Management PagePurpose: Allow employees to request leaves and managers to approve them.Features:Employees submit leave type (sick, vacation, etc.), dates, and reason.Managers view and approve/reject requests.Admin can view all leave records.Push notifications for leave status updates.UI Elements:Leave request form (dropdown for type, date picker, text area for reason).Leave status table for employees.Approval interface for managers.8. Settings PagePurpose: Customize app preferences.Features:Language selection.Notification preferences (enable/disable push notifications).Biometric login toggle.Admin-only: Configure geofence radius, shift schedules, and feature toggles.UI Elements:Dropdown for language.Toggle switches for notifications and biometrics.Admin-only configuration forms.Technical SpecificationsFrontend: React Native for cross-platform mobile app (iOS/Android).Backend: Node.js with Express for API, MongoDB for data storage.Authentication: JWT-based with biometric integration.Location Services: Google Maps API for geofencing and live tracking.Selfie Verification: ML-based anti-spoofing (e.g., blink detection).File Export: Generate CSV/Excel using backend libraries (e.g., xlsx for Node.js).Push Notifications: Firebase Cloud Messaging (FCM).Offline Support: Local storage with sync on reconnect.Security: HTTPS, encrypted storage for credentials and selfies.Additional NotesScalability: Designed to handle 400 employees, with potential for growth.Compliance: GDPR/CCPA-compliant for location and image data.Testing: Unit tests for backend APIs, UI tests for mobile app.Deployment: App Store and Google Play for mobile, optional web app hosted on secure cloud (e.g., AWS). Note: create a design for this description for very exact functions