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BCL: location updates according to API feedback

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This commit is contained in:
Stanimir Karoserov
2014-04-28 18:59:50 +03:00
parent aa77546c80
commit bf9b564bf5
4 changed files with 124 additions and 67 deletions
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58
Location/location.android.ts
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@@ -1,9 +1,13 @@
import types = require("Location/location_types");
import app_module = require("Application/application");
// merge types
declare var exports;
exports.Location = types.Location;
exports.Accuracy = types.Accuracy;
export class LocationManager {
// in meters
// we might need some predefined values here like 'any' and 'high'
public desiredAccuracy: number;
// The minimum distance (measured in meters) a device must move horizontally before an update event is generated.
@@ -15,7 +19,7 @@ export class LocationManager {
public isStarted: boolean;
private androidLocationManager: any;
private _locationListener: any;
private locationListener: any;
private static locationFromAndroidLocation(androidLocation: android.location.Location): types.Location {
var location = new types.Location();
@@ -27,7 +31,7 @@ export class LocationManager {
location.speed = androidLocation.getSpeed();
location.direction = androidLocation.getBearing();
location.timestamp = new Date(androidLocation.getTime());
location.androidNative = androidLocation;
location.android = androidLocation;
//console.dump(location);
return location;
}
@@ -53,42 +57,42 @@ export class LocationManager {
return androidLocation;
}
public static isLocationEnabled(): boolean {
public static isEnabled(): boolean {
var criteria = new android.location.Criteria();
criteria.setAccuracy(1); // low ? fine ? who knows what 1 means (bug in android docs?)
var lm = app_module.Application.current.android.context.getSystemService('location');
var lm = app_module.Application.current.android.context.getSystemService(android.content.Context.LOCATION_SERVICE);
return (lm.getBestProvider(criteria, true) != null) ? true : false;
}
public static distanceInMeters(loc1: types.Location, loc2: types.Location): number {
if (!loc1.androidNative) {
loc1.androidNative = LocationManager.androidLocationFromLocation(loc1);
public static distance(loc1: types.Location, loc2: types.Location): number {
if (!loc1.android) {
loc1.android = LocationManager.androidLocationFromLocation(loc1);
}
if (!loc2.androidNative) {
loc2.androidNative = LocationManager.androidLocationFromLocation(loc2);
if (!loc2.android) {
loc2.android = LocationManager.androidLocationFromLocation(loc2);
}
return loc1.androidNative.distanceTo(loc2.androidNative);
return loc1.android.distanceTo(loc2.android);
}
constructor() {
// put some defaults
this.desiredAccuracy = types.DesiredAccuracy.HIGH;
this.desiredAccuracy = types.Accuracy.HIGH;
this.updateDistance = 0;
this.minimumUpdateTime = 200;
this.isStarted = false;
this.androidLocationManager = app_module.Application.current.android.context.getSystemService('location');
this.androidLocationManager = app_module.Application.current.android.context.getSystemService(android.content.Context.LOCATION_SERVICE);
}
////////////////////////
// monitoring
////////////////////////
public startLocationMonitoring(onLocation: (location: types.Location) => any, onError?: (error: Error) => any) {
public startLocationMonitoring(onLocation: (location: types.Location) => any, onError?: (error: Error) => any, options?: types.Options) {
if (!this.isStarted) {
var criteria = new android.location.Criteria();
criteria.setAccuracy((this.desiredAccuracy === types.DesiredAccuracy.HIGH) ? 1 : 2);
this._locationListener = <any>new android.location.LocationListener({
criteria.setAccuracy((this.desiredAccuracy === types.Accuracy.HIGH) ? 1 : 2);
this.locationListener = <any>new android.location.LocationListener({
onLocationChanged: function (location: android.location.Location) {
if (this._onLocation) {
this._onLocation(LocationManager.locationFromAndroidLocation(location));
@@ -104,10 +108,20 @@ export class LocationManager {
onStatusChanged: function (arg1: string, arg2: number, arg3: android.os.Bundle): void {
}
});
this._locationListener._onLocation = onLocation;
this._locationListener._onError = onError;
if (options) {
if (options.desiredAccuracy)
this.desiredAccuracy = options.desiredAccuracy;
if (options.updateDistance)
this.updateDistance = options.updateDistance;
if (options.minimumUpdateTime)
this.minimumUpdateTime = options.minimumUpdateTime;
}
this.locationListener._onLocation = onLocation;
this.locationListener._onError = onError;
try {
this.androidLocationManager.requestLocationUpdates(long(this.minimumUpdateTime), float(this.updateDistance), criteria, this._locationListener, null);
this.androidLocationManager.requestLocationUpdates(long(this.minimumUpdateTime), float(this.updateDistance), criteria, this.locationListener, null);
this.isStarted = true;
}
catch (e) {
@@ -124,7 +138,7 @@ export class LocationManager {
public stopLocationMonitoring() {
if (this.isStarted) {
this.androidLocationManager.removeUpdates(this._locationListener);
this.androidLocationManager.removeUpdates(this.locationListener);
this.isStarted = false;
}
}
@@ -133,9 +147,9 @@ export class LocationManager {
// other
////////////////////////
public getLastKnownLocation(): types.Location {
get lastKnownLocation(): types.Location {
var criteria = new android.location.Criteria();
criteria.setAccuracy((this.desiredAccuracy === types.DesiredAccuracy.HIGH) ? 1 : 2);
criteria.setAccuracy((this.desiredAccuracy === types.Accuracy.HIGH) ? 1 : 2);
try {
var providers = this.androidLocationManager.getProviders(criteria, false);
var it = providers.iterator();