Android Java Mobile POS Application based on my figma (to be delivered in 5 days)

Project goal
Develop a full-featured mobile POS application in Java for Android devices.

Scope of work
- Develop the app using local SQLite for data storage, adhering to specified table/field naming conventions.
- Ensure the app is fully responsive and follows clean Object-Oriented Programming principles.
- Implement features such as receipt printing, email receipt, and transaction export in CSV/JSON/PDF formats.
- Verify Play Store compliance in app coding and structure.
- Ensure offline capability without using external libraries.

Delivered: within 5 days

Technical requirements
- Use Java for app development.
- Follow Object-Oriented Programming principles strictly.
- No external libraries allowed.
- Ensure the code is well-structured and maintainable.
- Implement Google License API check.

Design preferences
Figma design is available and a pdf file is attached. it shows the figma design.

Additional information
please see attached files (figma screenshots and project briefing)

App-Typ:
Native
Android
Java