How can I show current location on a Google Map on Android Marshmallow

Question

I want google maps to show the location of the user  I tried this code  but it did not work on Android 6   private GoogleMap map  LocationManager lm  LocationListener ll  Location l   LatLng pos    Override protected void onCreate Bundle savedInstanceState        super onCreate savedInstanceState       setContentView R layout start layout        lm    LocationManager  this getSystemService Context LOCATION SERVICE       ll   new LocationListener              Override         public void onLocationChanged Location location                l    Location  location                      Override         public void onStatusChanged String provider  int status  Bundle extras               Override         public void onProviderEnabled String provider               Override         public void onProviderDisabled String provider                 SupportMapFragment mapFragment    SupportMapFragment  getSupportFragmentManager                findFragmentById R id nMap       mapFragment getMapAsync this       Override public void onMapReady GoogleMap googleMap        map   googleMap       if ContextCompat checkSelfPermission this  Manifest permission ACCESS FINE LOCATION     PackageManager PERMISSION GRANTED            lm requestLocationUpdates lm NETWORK PROVIDER  0  0  ll              pos   new LatLng l getLatitude    l getLongitude             Add a marker in Sydney and move the camera     map setMyLocationEnabled true       map addMarker new MarkerOptions   position pos  title  Marker in Sydney         map moveCamera CameraUpdateFactory newLatLng pos        Here are the permissions I ve set    lt uses-permission android name  android permission ACCESS FINE LOCATION    gt   lt uses-permission android name  android permission INTERNET    gt

User · Answer

Firstly make sure your API Key is valid and add this into your manifest <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />

Here's my maps activity.. there might be some redundant information in it since it's from a larger project I created.

import android.content.Intent;
import android.content.IntentSender;
import android.location.Location;
import android.support.v4.app.FragmentActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.location.LocationListener;
import com.google.android.gms.location.LocationRequest;
import com.google.android.gms.location.LocationServices;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;

public class MapsActivity extends FragmentActivity implements
        GoogleApiClient.ConnectionCallbacks,
        GoogleApiClient.OnConnectionFailedListener,
        LocationListener {


    //These variable are initalized here as they need to be used in more than one methid
    private double currentLatitude; //lat of user
    private double currentLongitude; //long of user

    private double latitudeVillageApartmets= 53.385952001750184;
    private double longitudeVillageApartments= -6.599087119102478;


    public static final String TAG = MapsActivity.class.getSimpleName();

    private final static int CONNECTION_FAILURE_RESOLUTION_REQUEST = 9000;

    private GoogleMap mMap; // Might be null if Google Play services APK is not available.

    private GoogleApiClient mGoogleApiClient;
    private LocationRequest mLocationRequest;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_maps);
        setUpMapIfNeeded();

        mGoogleApiClient = new GoogleApiClient.Builder(this)
                .addConnectionCallbacks(this)
                .addOnConnectionFailedListener(this)
                .addApi(LocationServices.API)
                .build();

        // Create the LocationRequest object
        mLocationRequest = LocationRequest.create()
                .setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY)
                .setInterval(10 * 1000)        // 10 seconds, in milliseconds
                .setFastestInterval(1 * 1000); // 1 second, in milliseconds
 }
    /*These methods all have to do with the map and wht happens if the activity is paused etc*/
    //contains lat and lon of another marker
    private void setUpMap() {

            MarkerOptions marker = new MarkerOptions().position(new LatLng(latitudeVillageApartmets, longitudeVillageApartments)).title("1"); //create marker
            mMap.addMarker(marker); // adding marker
    }

    //contains your lat and lon
    private void handleNewLocation(Location location) {
        Log.d(TAG, location.toString());

        currentLatitude = location.getLatitude();
        currentLongitude = location.getLongitude();

        LatLng latLng = new LatLng(currentLatitude, currentLongitude);

        MarkerOptions options = new MarkerOptions()
                .position(latLng)
                .title("You are here");
        mMap.addMarker(options);
        mMap.moveCamera(CameraUpdateFactory.newLatLngZoom((latLng), 11.0F));
    }

    @Override
    protected void onResume() {
        super.onResume();
        setUpMapIfNeeded();
        mGoogleApiClient.connect();
    }

    @Override
    protected void onPause() {
        super.onPause();

        if (mGoogleApiClient.isConnected()) {
            LocationServices.FusedLocationApi.removeLocationUpdates(mGoogleApiClient, this);
            mGoogleApiClient.disconnect();
        }
    }

    private void setUpMapIfNeeded() {
        // Do a null check to confirm that we have not already instantiated the map.
        if (mMap == null) {
            // Try to obtain the map from the SupportMapFragment.
            mMap = ((SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map))
                    .getMap();
            // Check if we were successful in obtaining the map.
            if (mMap != null) {
                setUpMap();
            }

        }
    }

    @Override
    public void onConnected(Bundle bundle) {
        Location location = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient);
        if (location == null) {
            LocationServices.FusedLocationApi.requestLocationUpdates(mGoogleApiClient, mLocationRequest, this);
        }
        else {
            handleNewLocation(location);
        }
    }

    @Override
    public void onConnectionSuspended(int i) {
    }

    @Override
    public void onConnectionFailed(ConnectionResult connectionResult) {
        if (connectionResult.hasResolution()) {
            try {
                // Start an Activity that tries to resolve the error
                connectionResult.startResolutionForResult(this, CONNECTION_FAILURE_RESOLUTION_REQUEST);
                /*
                 * Thrown if Google Play services canceled the original
                 * PendingIntent
                 */
            } catch (IntentSender.SendIntentException e) {
                // Log the error
                e.printStackTrace();
            }
        } else {
            /*
             * If no resolution is available, display a dialog to the
             * user with the error.
             */
            Log.i(TAG, "Location services connection failed with code " + connectionResult.getErrorCode());
        }
    }

    @Override
    public void onLocationChanged(Location location) {
        handleNewLocation(location);
    }

}

There's a lot of methods here that are hard to understand but basically all update the map when it's paused etc. There are also connection timeouts etc. Sorry for just posting this, I tried to fix your code but I couldn't figure out what was wrong.

User · Answer

Sorry but that s just much too much overhead  above   short and quick  if you have the MapFragment  you also have to map  just do the following   if  ContextCompat checkSelfPermission this  Manifest permission ACCESS FINE LOCATION     PackageManager PERMISSION GRANTED                googleMap setMyLocationEnabled true    else          Show rationale and request permission      Code is in Kotlin  hope you don t mind   have fun  Btw I think this one is a duplicate of  Show Current Location inside Google Map Fragment

User · Answer

For using FusedLocationProviderClient with Google Play Services 11 and higher    see here  How to get current Location in GoogleMap using FusedLocationProviderClient  For using  now deprecated  FusedLocationProviderApi   If your project uses Google Play Services 10 or lower  using the FusedLocationProviderApi is the optimal choice   The FusedLocationProviderApi offers less battery drain than the old open source LocationManager API  Also  if you re already using Google Play Services for Google Maps  there s no reason not to use it   Here is a full Activity class that places a Marker at the current location  and also moves the camera to the current position   It also checks for the Location permission at runtime for Android 6 and later  Marshmallow  Nougat  Oreo   In order to properly handle the Location permission runtime check that is necessary on Android M Android 6 and later  you need to ensure that the user has granted your app the Location permission before calling mGoogleMap setMyLocationEnabled true  and also before requesting location updates   public class MapLocationActivity extends AppCompatActivity         implements OnMapReadyCallback          GoogleApiClient ConnectionCallbacks          GoogleApiClient OnConnectionFailedListener          LocationListener        GoogleMap mGoogleMap      SupportMapFragment mapFrag      LocationRequest mLocationRequest      GoogleApiClient mGoogleApiClient      Location mLastLocation      Marker mCurrLocationMarker        Override     protected void onCreate Bundle savedInstanceState                super onCreate savedInstanceState           setContentView R layout activity main            getSupportActionBar   setTitle  Map Location Activity             mapFrag    SupportMapFragment  getSupportFragmentManager   findFragmentById R id map           mapFrag getMapAsync this               Override     public void onPause             super onPause               stop location updates when Activity is no longer active         if  mGoogleApiClient    null                LocationServices FusedLocationApi removeLocationUpdates mGoogleApiClient  this                         Override     public void onMapReady GoogleMap googleMap                mGoogleMap googleMap          mGoogleMap setMapType GoogleMap MAP TYPE HYBRID              Initialize Google Play Services         if  android os Build VERSION SDK INT  gt   Build VERSION CODES M                if  ContextCompat checkSelfPermission this                      Manifest permission ACCESS FINE LOCATION                         PackageManager PERMISSION GRANTED                      Location Permission already granted                 buildGoogleApiClient                    mGoogleMap setMyLocationEnabled true                 else                     Request Location Permission                 checkLocationPermission                                    else               buildGoogleApiClient                mGoogleMap setMyLocationEnabled true                        protected synchronized void buildGoogleApiClient             mGoogleApiClient   new GoogleApiClient Builder this                   addConnectionCallbacks this                   addOnConnectionFailedListener this                   addApi LocationServices API                   build            mGoogleApiClient connect                Override     public void onConnected Bundle bundle            mLocationRequest   new LocationRequest            mLocationRequest setInterval 1000           mLocationRequest setFastestInterval 1000           mLocationRequest setPriority LocationRequest PRIORITY BALANCED POWER ACCURACY           if  ContextCompat checkSelfPermission this                  Manifest permission ACCESS FINE LOCATION                     PackageManager PERMISSION GRANTED                LocationServices FusedLocationApi requestLocationUpdates mGoogleApiClient  mLocationRequest  this                         Override     public void onConnectionSuspended int i           Override     public void onConnectionFailed ConnectionResult connectionResult           Override     public void onLocationChanged Location location                mLastLocation   location          if  mCurrLocationMarker    null                mCurrLocationMarker remove                         Place current location marker         LatLng latLng   new LatLng location getLatitude    location getLongitude             MarkerOptions markerOptions   new MarkerOptions            markerOptions position latLng           markerOptions title  Current Position            markerOptions icon BitmapDescriptorFactory defaultMarker BitmapDescriptorFactory HUE MAGENTA            mCurrLocationMarker   mGoogleMap addMarker markerOptions              move map camera         mGoogleMap moveCamera CameraUpdateFactory newLatLngZoom latLng 11                public static final int MY PERMISSIONS REQUEST LOCATION   99      private void checkLocationPermission             if  ContextCompat checkSelfPermission this  Manifest permission ACCESS FINE LOCATION                     PackageManager PERMISSION GRANTED                    Should we show an explanation              if  ActivityCompat shouldShowRequestPermissionRationale this                      Manifest permission ACCESS FINE LOCATION                         Show an explanation to the user  asynchronously  -- don t block                    this thread waiting for the user s response  After the user                    sees the explanation  try again to request the permission                  new AlertDialog Builder this                           setTitle  Location Permission Needed                            setMessage  This app needs the Location permission  please accept to use location functionality                            setPositiveButton  OK   new DialogInterface OnClickListener                                  Override                             public void onClick DialogInterface dialogInterface  int i                                      Prompt the user once explanation has been shown                                 ActivityCompat requestPermissions MapLocationActivity this                                          new String   Manifest permission ACCESS FINE LOCATION                                           MY PERMISSIONS REQUEST LOCATION                                                                                      create                            show                    else                      No explanation needed  we can request the permission                  ActivityCompat requestPermissions this                          new String   Manifest permission ACCESS FINE LOCATION                           MY PERMISSIONS REQUEST LOCATION                                        Override     public void onRequestPermissionsResult int requestCode                                             String permissions    int   grantResults            switch  requestCode                case MY PERMISSIONS REQUEST LOCATION                       If request is cancelled  the result arrays are empty                  if  grantResults length  gt  0                          amp  amp  grantResults 0     PackageManager PERMISSION GRANTED                            permission was granted  yay  Do the                        location-related task you need to do                      if  ContextCompat checkSelfPermission this                              Manifest permission ACCESS FINE LOCATION                                 PackageManager PERMISSION GRANTED                             if  mGoogleApiClient    null                                buildGoogleApiClient                                                      mGoogleMap setMyLocationEnabled true                                            else                           permission denied  boo  Disable the                        functionality that depends on this permission                      Toast makeText this   permission denied   Toast LENGTH LONG  show                                      return                                other  case  lines to check for other                permissions this app might request                      activity main xml    lt  xml version  1 0  encoding  utf-8   gt   lt LinearLayout xmlns android  http   schemas android com apk res android      android orientation  vertical  android layout width  match parent      android layout height  match parent  gt        lt fragment xmlns android  http   schemas android com apk res android          xmlns tools  http   schemas android com tools          xmlns map  http   schemas android com apk res-auto          android layout width  match parent          android layout height  match parent          android id    id map          tools context   MapLocationActivity          android name  com google android gms maps SupportMapFragment   gt    lt  LinearLayout gt    Result   Show permission explanation if needed using an AlertDialog  this happens if the user denies a permission request  or grants the permission and then later revokes it in the settings      Prompt the user for Location permission by calling ActivityCompat requestPermissions       Move camera to current location and place Marker when the Location permission is granted

[android] How can I show current location on a Google Map on Android Marshmallow?

Examples related to android

Examples related to google-maps

Examples related to google-maps-android-api-2