Continuous Location Tracking with Geofence Alerts

Read the original article：Continuous Location Tracking with Geofence Alerts Continuous Location Tracking with Geofence Alerts Requirement Description Wearable apps often need continuous location tracking for fitness and navigation. Beyond just fetching the user's coordinates once, applications must also montior entry and exit from defined geographic areas (geofences). This scenario shows how to: Request user permission for location services. Start continuous location updates. Define a geofence (circle area) Trigger custom logic when entering/exiting the area. Stop updates when no longer needed. Background Knowledge Location data is accessed via @ohos.geoLocationManager. Needs runtime permission handling. Updates may consume significant battery. Only subscribe when required. Geofencing is not directly built-in, must be implemented with math. Implementation Steps 1.Request user authorization using a UIAbility; //EntryAbility.ets // Use UIExtensionAbility: Replace import { UIAbility } fro