• Platform Compatibility: Develop a seamless application compatible with iOS, Android, and Wear OS.
• Emergency Notifications: Enable users to trigger SOS alerts to designated guardians.
• Real-Time Location Sharing: Implement a feature to provide accurate and continuous location updates.
• Heart Rate Monitoring: Integrate functionality to monitor and transmit the user’s heart rate to guardians.
• Audio Recording: Enable recording and transmission of ambient audio during an emergency.
• Real-Time Chat: Facilitate immediate communication between users and their guardians.
• Continuous Location Tracking: Enable continuous tracking to ensure the user’s movement is monitored in case of an emergency.

Phase 1: Research and Planning

• Conducted in-depth research on existing SOS applications and user preferences.
• Defined user personas and scenarios to tailor the application’s functionality.
• Created a comprehensive project plan outlining milestones, timelines, and resource allocation.

Phase 2: Development

Platform-Specific Development:

• Utilized Dart/Flutter for iOS development and Android development.
• Employed Swift/Kotlin, XCode and Android Studio for extend native development.
• Leveraged Google’s Wear OS development tools for smartwatch compatibility.

Integrated Real-Time Location Services:

• Utilized GPS and network triangulation for precise location tracking.

Heart Rate Monitoring Integration:

• Utilized wearable sensors to capture and transmit heart rate data.

Audio Recording and Transmission:

• Developed functionality to record ambient audio and send it in real-time during emergencies.

Real-Time Chat Feature:

• Implemented a chat module using Firebase real-time database solution.

Continuous Location Tracking:

• Utilized background services to ensure ongoing location monitoring.

Phase 3: Testing and Deployment

• Conducted rigorous testing across multiple devices and platforms for functionality, usability, and security.
• Addressed any identified bugs, glitches, or performance issues.
• Deployed the application on respective app stores (Apple App Store, Google Play Store) after approvals.

• Successful development and deployment of the SOS application across iOS, Android, and Wear OS platforms.
• Positive user feedback regarding the application’s ease of use, reliability, and effectiveness in emergency situations.
• Improved safety and peace of mind for users and their designated guardians.
• Continued iteration and updates to enhance features and address user feedback.

The development of the HaloGuard SOS application for multiple platforms proved to be a crucial step in empowering individuals in distressing situations. The integration of real-time location tracking, heart rate monitoring, audio recording, and instant chat features ensured prompt and effective communication between users and their guardians, enhancing personal safety and security.