You’re probably already aware of the detailed API that Salesforce offers. In this two-part series, you can learn how to integrate the Salesforce mobile SDK in a React Native app and build an event check-in app that allows you to collect leads on the fly.
Read the two part blog post on https://jigx.com/blog
Part 1 - Building a Mobile App with Salesforce Mobile SDK Part 1
Part 2 - Building a Mobile App with Salesforce Mobile SDK Part 2