location.ts
import { Injectable, NgZone } from '@angular/core';
import { BackgroundGeolocation, BackgroundGeolocationConfig } from '@ionic-native/background-geolocation';
import { Geolocation, Geoposition } from '@ionic-native/geolocation';
import 'rxjs/add/operator/filter';
@Injectable()
export class LocationTracker {
public watch: any;
public lat: number = 0;
public lng: number = 0;
public bearing: number = 0;
public speed: number = 0;
constructor(public zone: NgZone, public backgroundGeolocation: BackgroundGeolocation, public geolocation: Geolocation) {
}
startTracking() {
let config = {
desiredAccuracy: 0,
stationaryRadius: 20,
distanceFilter: 10,
debug: true,
interval: 2000,
bearing: 10,
speed: 0,
};
this.backgroundGeolocation.configure(config).subscribe((location) => {
console.log('BackgroundGeolocation: ' + location.latitude + ',' + location.longitude);
// Run update inside of Angular's zone
this.zone.run(() => {
this.lat = location.latitude;
this.lng = location.longitude;
});
}, (err) => {
console.log(err);
});
// Turn ON the background-geolocation system.
this.backgroundGeolocation.start();
// Foreground Tracking
let options = {
frequency: 60000,
enableHighAccuracy: true
};
this.watch = this.geolocation.watchPosition(options).filter((p: any) => p.code === undefined).subscribe((position: Geoposition) => {
console.log(position);
// Run update inside of Angular's zone
this.zone.run(() => {
this.lat = position.coords.latitude;
this.lng = position.coords.longitude;
});
});
}
stopTracking() {
console.log('stopTracking');
this.backgroundGeolocation.finish();
this.watch.unsubscribe();
}
}
我想从后台地理位置插件向我的服务器发送不同的配置设置。但是，我不确定如何使它正常工作。我已经准备好了位置服务器。 ...