I am trying to build an arcgis nearby places android quite similar to this: https://developers.arcgis.com/example-apps/nearby-android/. I have make a map portal and import geojson file which placed all my stations location.

But i can't get the app to show my location.

package com.utbfyp.webmapapp;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.app.Activity;
import android.location.Location;
import android.location.LocationListener;
import android.view.View;

import com.esri.arcgisruntime.mapping.ArcGISMap;
import com.esri.arcgisruntime.mapping.view.LocationDisplay;
import com.esri.arcgisruntime.mapping.view.MapView;
import com.esri.arcgisruntime.portal.Portal;
import com.esri.arcgisruntime.portal.PortalItem;

public class MainActivity extends AppCompatActivity {
    private MapView mv;

    protected void onCreate(Bundle savedInstanceState) {
        mv = (MapView) findViewById(R.id.map1);

        LocationDisplay myLocation = mv.getLocationDisplay();

        //use ArcGIS Online as the Portal
        Portal arcgisOnline = new Portal("http://www.arcgis.com");
//create a PortalItem with ArcGIS Online WebMap ID
        PortalItem portalItem = new PortalItem(arcgisOnline, "xxxxx");
//create an ArcGISMap object with the PortalItem
        ArcGISMap myMap = new ArcGISMap(portalItem);
//display the webmap to MapView



You need to check for location permissions and request permission if not granted:

Declare app permission in app manifest:

<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

Check for the permission:

// define permission to request
String[] reqPermission = new String[] { Manifest.permission.ACCESS_FINE_LOCATION };

// get the MapView's LocationDisplay
myLocation = mv.getLocationDisplay();

// request permission at runtime
if (ContextCompat.checkSelfPermission(MainActivity.this, reqPermission[0]) == PackageManager.PERMISSION_GRANTED) {
  // Start Location Display
} else {
  // request permission
  ActivityCompat.requestPermissions(MainActivity.this, reqPermission, requestCode);

Additionally, you can check that your location display has started:

if (!myLocation.isStarted())
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