Geolocation not working in device ionic3 - ionic-framework

Question

I am working with ionic 3 location-based work. I am not able to get current location of latitude and longitude here. I mentioned my usable code. It's working fine in browser level but not working in a mobile device.
code
$ ionic cordova plugin add cordova-plugin-geolocation --variable GEOLOCATION_USAGE_DESCRIPTION="To locate you"
$ npm install --save #ionic-native/geolocation
import { Geolocation } from '#ionic-native/geolocation';
constructor(private geolocation: Geolocation) {}
this.geolocation.getCurrentPosition().then((resp) => {
console.log( resp.coords.latitude)
console.log( resp.coords.longitude)
}).catch((error) => {
console.log('Error getting location', error);
});

Answer 1

Try this:
import { Geolocation } from '#ionic-native/geolocation';
import { Platform } from 'ionic-angular';
//Set the properties in this class
long: any; //longitude
lati: any; //latitude
constructor(private platform: Platform, private geolocation: Geolocation) {
this.platform.ready().then(()=>{
//set options..
var options = {
timeout: 20000 //sorry I use this much milliseconds
}
//use the geolocation
this.geolocation.getCurrentPosition(options).then(data=>{
this.long = data.coords.longitude;
this.lati = data.coords.latitude;
}).catch((err)=>{
console.log("Error", err);
});
});
}
Let this be in the constructor. Don't forget to agree to the location privacy permission, also enable location option on your Android device(this is probable though).

Answer 2

Try to call the geolocation function inside ionViewDidLoad() or ngAfterViewInit() method.
import { Geolocation } from '#ionic-native/geolocation';
constructor(private geolocation: Geolocation) {}
ngAfterViewInit(){
this.geolocation.getCurrentPosition().then((resp) => {
console.log( resp.coords.latitude)
console.log( resp.coords.longitude)
}).catch((error) => {
console.log('Error getting location', error);
});
}
I hope this will solve your problem!

Answer 3

import { Geolocation } from '#ionic-native/geolocation';
import { Platform } from 'ionic-angular';
//Set the properties in this class
long: any; //longitude
lati: any; //latitude
constructor(private platform: Platform, private geolocation: Geolocation) {
this.platform.ready().then(()=>{
//set options..
var options = {
enableHighAccuracy: true, timeout: 60000, maximumAge: 0
};
//use the geolocation
this.geolocation.getCurrentPosition(options).then(data=>{
this.long = data.coords.longitude;
this.lati = data.coords.latitude;
}).catch((err)=>{
console.log("Error", err);
});
let watch = this.geolocation.watchPosition(options);
watch.subscribe((data) => {
let lat_lng = data.coords.latitude+","+data.coords.longitude;
});
});
}