Overview:

The Emergency Alert App is a mobile application designed to help users quickly send distress alerts to their emergency contacts or local authorities during critical situations (such as accidents, medical emergencies, or harassment).
The app uses GPS location tracking to share the user’s live location instantly with selected contacts through SMS, email, or notification alerts.

Objectives:

• To provide a one-tap emergency response system.

• To ensure safety by sharing real-time location during emergencies.

• To assist users even without an internet connection (via SMS fallback).

Key Features:

1. One-Click SOS Button: Instantly sends an alert message to saved contacts.

2. Live Location Sharing: Automatically shares the user’s GPS coordinates with emergency contacts.

3. SMS/Email Notification: Works even when internet is unavailable.

4. Emergency Contact Management: Add or remove trusted contacts.

5. Map Integration: Displays user’s real-time location on Google Maps.

6. Low Battery Alert: Automatically notifies contacts when the device battery is critically low.

7. Custom Alerts: Users can customize the emergency message.

8. Security PIN: Prevents accidental SOS trigger.

Tech Stack:

• Frontend: HTML, CSS, Bootstrap, JavaScript (for web version) / React Native (for mobile app)

• Backend: Node.js / PHP / Java (any one preferred)

• Database: MySQL / MongoDB

• APIs: Google Maps API, Twilio (for SMS), Firebase Cloud Messaging (for push notifications)

Workflow:

1. User registers and adds emergency contacts.

2. During an emergency, user presses the SOS button.

3. App fetches the current GPS location.

4. Sends an alert message + live location link to the emergency contacts.

5. Contacts can view the location in real-time on Google Maps.

Future Enhancements:

• Integration with local police or hospital systems.

• Voice-activated emergency trigger using AI.

• Offline map support for remote areas.

• Health monitoring sensors integration (for IoT version).

Use Case Example:

A student walking home late at night feels unsafe. She taps the SOS button in the app, which instantly sends her live GPS location and a pre-set alert message — “I’m in danger, please help” — to her parents and the nearest police station.