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the Data Flow Diagram $($Level & $1)$

Data Flow Diagram $($DFD$)$ for "Oman Emergency Assistance" App

Below are the Level $0$ and Level $1$ Data Flow Diagrams for the "Oman Emergency Assistance" app project. The DFDs illustrate the flow of data within the system and how the various components interact with each other.

Level $0$ Data Flow Diagram $($Context Diagram$)$

The Level $0$ DFD provides a high$-$level overview of the system, showing the main processes and external entities.

Level $1$ Data Flow Diagram

The Level $1$ DFD provides more detail, breaking down the main processes of the system into sub$-$processes.

Detailed Process Descriptions

Manage User Data

Register$/$Login: Users register and log into the app.

Manage Profile: Users update their personal information and emergency preferences.

Emergency Contacts

View Contacts: Users view emergency contact lists $($police$,$ ambulance, fire$).$

Update Contacts: Users or administrators update contact information.

One$-$Touch Calling

Initiate Call: Users make emergency calls with one touch.

Call Log: Logs of emergency calls made by users.

GPS Location Sharing

Enable GPS: Users enable GPS for location tracking.

Share Location: Users share their location with emergency services.

Blood Donation Info

View Centers: Users view information about nearby blood donation centers.

Update Info: Administrators update blood donation center information.

Educational Resources

View Resources: Users access first aid instructions, safety tips, and educational materials.

Update Resources: Administrators update the educational content.