OpenParcelBox/mobile-app/constraints.md

Mobile Application Constraints

Technologies

• Development with Flutter.
• Android-compatible code.
• iOS compatibility is desired but not a priority for V1.
• No mandatory dependency on a cloud service.

Architecture

• Clear separation between user interface, business logic, and communications.
• Modular and maintainable code.
• Centralized configuration management.

Operation

• Local-first operation.
• Direct communication with OpenParcelBox whenever possible.
• Graceful degradation when the connection is lost.

V1 Features

• Parcel box state display.
• Access code management.
• Temporary code creation.
• Permanent code creation.
• Code deletion.
• Recent event display.

User Experience

• Simple interface for non-technical users.
• Fast access to common actions.
• Smartphone and tablet compatibility.

Security

• Mandatory authentication.
• Secure storage for sensitive data.
• No user data sent to third-party services.

Maintenance

• Error logging.
• Documented configuration.
• Documented build procedure.