An Android home-screen widget that displays real-time gym occupancy and daily utilization charts.

It currently supports 784 total gyms from the following gym chains:

• John Reed
• McFit
• FitX
• Gold's Gym
• Fitness First
• All Inclusive Fitness

If you have any suggestions, feedback, or additional gyms you would like to add, reach out at [email protected]!

⚠️ Note: As this is still a work-in-progress, the widget is still not downloadable as an APK file.

The project consists of two components.

The Android widget:

• fetches occupancy data from the API
• displays current occupancy
• renders a utilization chart
• allows users to select their gym

Technologies used:

• Kotlin
• Coroutines
• OkHttp
• Android AppWidget API

A serverless worker that aggregates and normalizes gym APIs.

Responsibilities:

• fetch gym lists from providers
• normalize responses across operators
• expose a unified API for the widget

Endpoints:

GET /gyms

Returns the list of available gyms.

GET /{operatorId}/{gymId}/occupancy

Returns occupancy time slots for a gym.