Mobile and Offline Developer Guide
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Monitor Geofence Regions on a Mobile Device
A Lightning web component can use a mobile device’s location features to determine a
user’s current location to the user’s proximity to areas that may be of interest, or to perform
location-related tasks. The longitude, latitude, and radius define a geofence around the regions
of interest.
Geofence location is determined locally on the mobile device, and doesn’t need a network connection. However, GeofencingService does require a GPS signal from the device. For Android devices, Google Location Accuracy must be enabled in the system settings. GeofencingService does require access to platform-specific APIs that are available only within compatible Salesforce mobile apps.