This Flutter demo combines a simple Calculator and a ToDo List app, showcasing clean UI design and smooth user interaction.
While currently standalone, this project is fully scalable: it can integrate with a Golang backend (Gin + Gorm + PostgreSQL) to support complex, high-concurrency business logic, user management, and real-time data processing.
Additionally, the system can be upgraded with cloud storage solutions (such as UpYun, AWS S3, or Alibaba Cloud OSS) with integrated global CDN acceleration, significantly reducing request-response time for image and video uploads.
This demo demonstrates a strong foundation for building full-scale applications such as productivity platforms, social apps, and enterprise-grade service systems.