bn.onLocationChange
▸ onLocationChange(cb): void
description Subscribe the event of real-time location changes，used with bn.startLocationUpdate
Parameters
| Name | Type | Description |
|---|---|---|
cb | OnLocationChangeCallback | callback function |
Returns
void
OnLocationChangeCallback
Ƭ OnLocationChangeCallback: (result: LocationDetail) => void
Type declaration
▸ (result): void
Parameters
| Name | Type |
|---|---|
result | LocationDetail |
Returns
void
Interface: LocationDetail
| Name | Type | Description |
|---|---|---|
| accuracy | number | Accuracy of position |
| altitude | number | Height, unit m |
| horizontalAccuracy | number | Horizontal precision, unit m |
| latitude | number | Latitude, range -90 ~ 90. The negative number indicates latitude south. use gcj02 NBS coordinate system |
| longitude | number | Longitude, range -180 ~ 180. The negative numbers indicates west longitude. use gcj02 NBS coordinate system |
| speed | number | Speed, unit m/s |
| verticalAccuracy | number | Vertical accuracy, unit m（return 0 when unable to get) |