NFC Manager is a privacy-focused Android application that helps you monitor NFC activity on your device and protects you from unauthorized access and unwanted transactions.
- Getting Started
- Main Features
- Screen Guide
- Settings Configuration
- Privacy & Security
- Troubleshooting
- Tips & Best Practices
When you open NFC Manager for the first time:
- Welcome Screen: Brief introduction to the app's purpose
- Permission Requests: Grant NFC and notification permissions
- NFC Check: The app will verify if your device supports NFC
- Initial Setup: Choose your preferred theme and alert settings
What is NFC? Near Field Communication (NFC) is a short-range wireless technology that enables communication between devices when they're close together (usually within 4cm).
Common NFC Uses:
- Contactless payments (Google Pay, Samsung Pay)
- Public transport cards
- Access cards for buildings
- Smart home device control
- File sharing between devices
Privacy Concerns:
- Unauthorized payment attempts
- Data skimming from cards
- Location tracking
- Unwanted tag interactions
- Smart Alerts: Customizable warnings when NFC stays enabled
- Real-time Monitoring: Continuous NFC status tracking
- Background Service: Optional background monitoring
- Privacy Mode: Enhanced protection settings
- Event History: Complete log of NFC activities
- Search & Filter: Find specific events quickly
- Export Data: Save logs for analysis
- Statistics: Usage patterns and insights
- Alert Intervals: 10, 30, or 50-second warnings
- Theme Options: Light, dark, and system themes
- Notification Settings: Customize alerts and sounds
- Nothing OS Design: Authentic Nothing phone experience
The main dashboard showing:
NFC Status Card
- ENABLED: NFC is active (green indicator)
- DISABLED: NFC is inactive (gray indicator)
- NOT SUPPORTED: Device lacks NFC hardware
Today's Activity
- Count of NFC events detected today
- Quick access to detailed activity log
Quick Actions
- Tap status card to open NFC settings (when disabled)
- Enable NFC button (when supported but disabled)
Complete event history with:
Event List
- Timestamp of each event
- Event type (NFC_ENABLED, TAG_DISCOVERED, etc.)
- Descriptive message
- Importance indicator
Search & Filter
- Search by event type or message
- Filter by date range
- Sort by timestamp or importance
Event Actions
- Tap event for details
- Long press to delete
- Swipe for quick actions
Comprehensive configuration options:
Privacy Settings
- Background monitoring toggle
- Auto-reminder intervals
- Privacy mode activation
- Unknown tag blocking
Notification Settings
- Enable/disable notifications
- Vibration control
- Sound preferences
- Notification style
Appearance
- Theme selection (Light/Dark)
- Accent color (Nothing Red default)
- Font preferences
- Display options
Advanced Settings
- Battery optimization
- Monitoring intervals
- Data retention
- Export/import settings
Background Monitoring
- Enables continuous NFC monitoring
- Requires foreground service permission
- May impact battery life
- Recommended for maximum security
Auto-Reminder Intervals
- 10 seconds: Maximum security (default)
- 30 seconds: Balanced approach
- 50 seconds: Minimal interruption
- Custom: Set your own interval
Privacy Mode
- Enhanced security features
- Stricter monitoring
- Additional warnings
- Recommended for sensitive environments
Notification Types
- Privacy Alerts: When NFC enabled too long
- Security Warnings: Suspicious activity detected
- Status Updates: NFC state changes
- System Events: App status and errors
Customization Options
- Sound: Choose notification tone
- Vibration: Enable haptic feedback
- LED: Light notification (if supported)
- Priority: Set notification importance
Battery Optimization
- Enabled: Reduces background activity
- Disabled: Maximum monitoring capability
- Adaptive: Balances performance and battery
Data Management
- Retention Period: How long to keep logs
- Auto-cleanup: Automatic old data removal
- Export Format: JSON or CSV
- Backup Settings: Save configuration
Local Storage Only
- All data stored on your device
- No cloud synchronization
- No external data transmission
- Complete user control
Encryption
- Local database encryption
- Secure key management
- Protected sensitive data
- Android Keystore integration
Required Permissions
- NFC: Access to NFC hardware
- Notifications: Privacy alerts
- Foreground Service: Background monitoring
Optional Permissions
- Vibration: Haptic feedback
- Wake Lock: Reliable monitoring
For Users
- Keep NFC disabled when not needed
- Monitor NFC activity regularly
- Be aware of NFC-enabled locations
- Use privacy alerts effectively
- Keep the app updated
For Sensitive Environments
- Enable privacy mode
- Use 10-second alert interval
- Enable background monitoring
- Block unknown tags
- Review activity logs regularly
NFC Not Detected
- Verify device has NFC hardware
- Check if NFC is enabled in system settings
- Restart device if needed
- Contact support if persistent
Notifications Not Working
- Check notification permissions
- Verify notification channels enabled
- Disable battery optimization for app
- Check Do Not Disturb settings
Background Monitoring Stops
- Add app to battery optimization whitelist
- Enable "Allow background activity"
- Check device manufacturer settings
- Restart background service in app
App Crashes or Freezes
- Force close and restart app
- Clear app cache (not data)
- Restart device
- Reinstall app if persistent
Samsung Devices
- Disable Adaptive Battery for the app
- Check Samsung Pay conflicts
- Enable "Allow background activity"
Xiaomi/MIUI
- Add to Protected Apps list
- Disable MIUI optimizations
- Enable Autostart permission
OnePlus
- Disable battery optimization
- Enable background app refresh
- Check OxygenOS privacy settings
- Regular Monitoring: Check activity logs weekly
- Alert Configuration: Use shorter intervals in public spaces
- NFC Hygiene: Disable when not actively using
- Awareness: Be conscious of NFC-enabled locations
- Updates: Keep app updated for latest security features
- Battery Management: Balance monitoring with battery life
- Storage: Regularly clean old logs
- Notifications: Customize to avoid alert fatigue
- Background Apps: Limit other background services
- Device Maintenance: Keep Android system updated
- Data Retention: Set appropriate log retention periods
- Sharing: Never share NFC logs with untrusted parties
- Public WiFi: Extra caution with NFC in public spaces
- Payment Cards: Monitor for unauthorized transactions
- Access Cards: Be aware of card cloning attempts
- Theme Selection: Choose theme for better visibility
- Notification Timing: Adjust for your usage patterns
- Sound Settings: Use distinctive tones for alerts
- Widget Setup: Add shortcuts to home screen
- Backup Settings: Save configuration before major changes
- User Guide: This comprehensive guide
- Troubleshooting: Detailed problem-solving guide
- FAQ: Common questions and answers
- Community: User forums and discussions
We value your feedback! Please:
- Rate the app on Google Play Store
- Report bugs through proper channels
- Suggest features via GitHub issues
- Share positive experiences with others
Need help or have questions?
- Email: support@dxbmark.com
- Subject: "User Guide - NFC Manager"
- Response Time: 24-48 hours
- Languages: English, Arabic
Built with ❤️ by Tariq Said - Nothing OS Inspired Design
Technical Support & Contact: support@dxbmark.com
Licensed under the Apache License, Version 2.0
Copyright 2025 Tariq Said. All rights reserved.
Thank you for using NFC Manager! Stay secure and protect your privacy. 🛡️