~/talk

Building with the Geofencing API for mobile

Talkat BUILD with Mapbox 2025 · 2025-09-08..09-12· [security]

speakers

name:Åsa Forsell

links:none on file

name:Patrick Leonard

links:none on file

resources

video:https://youtu.be/5r_5JzKfamE

slides:none on file

summary

Mapbox’s Geofencing API (iOS/Android, experimental) lets apps load GeoJSON polygons/points/multipolygons, add or remove features at runtime, and observe entry exit dwell events with configurable dwell time (demo uses 1 minute). The sample app simulates a GPX-driven user circling Yellowstone across ~10 regions, visualizes events with color-coded fills, and runs entirely client-side for offline support. API claims unlimited geofences (no platform limits), supports background monitoring, PID parity planned for Flutter, and iOS terminated-app wake is partially addressed with fixes in the upcoming 11.17.

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