I’m working on integrating FHIR into a WearOS project to enhance health data management and interoperability. The goal is to enable the WearOS app to fetch and send standardized health information via FHIR APIs (e.g., patient data, observations, and device metrics).

Progress So Far: FHIR Libraries: I’m using the HAPI FHIR library, which seems well-suited for handling FHIR resources in Android-based projects. Authentication: Using OAuth2.0 for secure access to FHIR servers, similar to how SMART on FHIR works. WearOS-Specific Challenges: Managing limited storage and processing power while ensuring the app adheres to FHIR standards. Questions for the Community: Lightweight FHIR Libraries: Are there any lightweight libraries for FHIR that work better for WearOS environments? HAPI FHIR is robust but can be resource-heavy. Offline Support: How do you handle syncing FHIR data when the device is offline? Any best practices or libraries for caching? UI Integration: What’s the best approach to display complex FHIR data (e.g., structured observations) on a small WearOS screen? Performance Optimization: Any tips for optimizing FHIR-based data handling on WearOS to reduce lag and battery drain? I’d appreciate insights or resources that could help streamline the process. If anyone has implemented FHIR on WearOS before, I’d love to hear about your experiences!

Thanks in advance!

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