draw the activity diagram

Launch App: User launches the app, and the system displays the login screen.

User Login$/$Register: User enters credentials to log in$.$ The system verifies the credentials and logs in the user.

Main Menu: The system displays the main menu with options: Emergency Call, Share GPS Location, View Emergency Contacts, and View Blood Donation Centers.

Emergency Call:

User selects the "Emergency Call" option.

User selects the type of emergency service.

The system initiates a one$-$touch call.

The call is connected, and the user communicates with the service.

The call ends, and the process completes.

Share GPS Location:

User selects the "Share GPS Location" option.

The system captures the user's current location.

The user confirms to share the location.

The location is shared, and the process completes.

View Emergency Contacts:

User selects the "View Emergency Contacts" option.

The system displays a list of emergency contacts.

The user selects a contact to view details.

The system shows the contact details.

The user can initiate a one$-$touch call.

The call is connected, and the user communicates with the contact.

The call ends, and the process completes.

View Blood Donation Centers:

User selects the "View Blood Donation Centers" option.

The system displays a list of nearby blood donation centers.

The user selects a center to view details.

The system shows the center details.

The user can get directions to the selected center by opening a map.

The process completes after the user gets the necessary information.