FHIR Core is a Kotlin application for delivering offline-capable, mobile-first healthcare project implementations from local community to national and international scale using FHIR and the WHO Smart Guidelines on Android.

FHIR Core is architected as a FHIR native digital health platform powered by Google's Android FHIR SDK and HAPI FHIR. FHIR Core's user experience and module oriented design are based on over a decade of real world experience implementing digital health projects with OpenSRP. This repository contains the Android mobile application built to:

• load configuration data as FHIR resources,
• support the WHO Smart Guidelines,
• manage the identities of healthcare workers (HCWs), community health workers (CHWs), care teams, patients, and clients,
• collect, view, and edit healthcare data with dynamic forms using FHIR's Structured Data Capture (SDC) implementation,
• securely store healthcare data encrypted at rest and securely transmit healthcare data using TLS,
• manage location hierarchies defined by community to national and international administrative boundaries.

For remote data storage and login, the mobile application requires:

• a Keycloak server to manage identity, authentication, and authorization;
• a HAPI FHIR server to store operation and configuration data that includes the HAPI FHIR to Keycloak integration.

FHIRcore also interoperates well with:

• OpenSRP Web to access healthcare data from the same HAPI FHIR server.

Due to it's dependency on the Android FHIR SDK's workflow library, OpenSRP FHIR Core requires a minimum Android SDK version of Android 8.0 (API level 26).

This repository contains the folders

• android: for building the Android application.
• docs: a library of documents describing the FHIR Core solution.

We recommend reviewing the docs before setting up the Android Studio Project in the android folder.

For starter resources on the FHIR specification:

1. Intro to FHIR - By James Agnew of Smile CDR
2. FHIR resource list

For starter resources on the Android FHIR SDK and this repo:

1. Android FHIR SDK Demo - Link
2. Android FHIR SDK Intro Slide deck - Link
3. FHIR Core Intro slide deck - Link