Geofencing in React Native with react-native-maps with Background Geolocation Tracking

Video Description

Geofencing in React Native with react-native-maps 00:00 – Introduction to Geofencing 00:39 – Real-World Example: Apple HQ to Google HQ 01:51 – Geo Events: Enter, Inside, Exit 03:31 – Platform-Agnostic Concept + Backend Preview 04:31 – Frontend Setup with React Native Maps 05:31 – Zomato & Swiggy Inspiration for Geofencing 07:08 – Required Libraries Overview 08:38 – Drawing Routes and Geofences 10:05 – Entry, Inside, Exit Logic Using Turf.js 11:04 – Paid vs Free Libraries 14:48 – Frontend Architecture for Live Tracking 15:58 – Turf.js Deep Dive 18:17 – Why Backend Is Better for Geofencing 20:00 – Pokemon Go, Events, and Office Attendance Use Cases 24:50 – Line and Grid Geofences 28:46 – Simulation Setup 33:45 – Turf + Polygon Format Debugging 39:16 – Real-Time Geofence Detection Logic 46:18 – Managing State with React 52:58 – Why State Doesn’t Update Instantly 54:27 – Final Recap of Frontend Logic 57:01 – Bonus: Backend Implementation Overview 59:45 – Event-Driven Architecture for Scaling 01:01:58 – Closing Notes & Next Video Teaser Geofencing is one of the most powerful location-based features you can implement in a React Native app. In this video, I guide you through setting up geofencing using react-native-maps, allowing you to define geographic boundaries and trigger actions when a user enters or exits a specific area. Whether you are building a location-based service, proximity alerts, or automating real-world interactions, geofencing can significantly enhance your app’s functionality. Source Code for this Video: https://topmate.io/gautham/1473315 Links mentioned in the video Geofencing notes - react-native-maps: Video 1 and mapbox: Video 2 Inspiration: https://appshots.design/collection/8622889665592693231-geofence?tab=screens Paid solution in market: https://www.transistorsoft.com/shop/products/react-native-background-geolocation 1. What libraries I am going to use and what I am going to do. 2. Transistorsoft library explanation. 3. Paid APIs which you can use (But will break your bank once your App scales) Image + Links - https://mapscaping.com/guide-to-geocoding-api-pricing/ 4. What are geofences and how you can implement it. - Frontend system design. 5. Static geofences with circles - How to make them. (Covering a building with a set of coordinates etc) Pokemon Go - Geofence - 99% cases will be the first 3 - Circles - Enter/Exit Triggers, retail geofencing - Polygons - Warehouse tracking & Campus monitoring - Line - Fleet management, Delivery route tracking, and logistics. - Grid-Based - City wide management, enterprise level. 6. Complete frontend integration. View my other videos to get more hang on this topic: https://www.youtube.com/playlist?list=PLIJ-QKgN-ORMyi1o2KQGn7ZuH6znLusKZ Bonus: Backend Integration and how to do it properly without breaking the bank with postgres + redis. https://www.bluvolve.com/blog/architecture-real-time-flexible-geofencing-api What you will learn in this video: - How to set up react-native-maps to display geofences - How to create circular and polygon geofences - How to detect user entry and exit from a geofenced region - How to handle real-time location updates efficiently - How to optimize performance and battery usage for background geofencing Geofencing is widely used in various applications, from location-based marketing to security, fleet tracking, smart home automation, and ride-hailing services. By integrating geofencing into your React Native app, you can offer smart, automated interactions that enhance user experience. Many developers struggle with geolocation accuracy, background tracking, and performance when implementing geofencing. This guide addresses these challenges by using optimized configurations and best practices. Whether you are tracking delivery drivers, triggering smart home actions, or sending location-based alerts, this video provides a complete geofencing solution for React Native. By the end of this video, you will be able to: - Implement geofencing using react-native-maps - Optimize location tracking for efficiency and accuracy - Handle permissions and ensure seamless background execution - Detect user movement in and out of geofenced areas and trigger custom actions This tutorial is perfect for developers building real-time location apps, geofencing-based automation, or any app that requires spatial awareness. I also share insights on avoiding common mistakes and ensuring that your geofencing implementation is smooth and reliable. Hashtags: #ReactNative #Geofencing #reactnativemaps #LocationTracking #MobileDevelopment #ReactNativeGeolocation #GeofencingApp #LocationBasedServices #GeospatialTech #GeofencingTutorial If you have any other queries, please leave it in the comments or contact me via email or Twitter (X). Here is my Twitter (X) profile: https://x.com/gautham_vijay_