Comment puis-je obtenir la position GPS actuelle par programmation sous Android?

Je dois obtenir mon emplacement actuel en utilisant le GPS par programmation. Comment puis-je y parvenir?

    J’ai créé une petite application avec une description étape par étape pour obtenir les coordonnées GPS de l’emplacement actuel.

    L’exemple complet de code source est dans Obtenir les coordonnées de l’emplacement actuel, Nom de la ville – dans Android .


    Regarde comment ça marche:

    • Tout ce que nous devons faire est d’append cette autorisation dans le fichier manifeste:

       
    • Et créez une instance de LocationManager comme ceci:

       LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE); 
    • Vérifiez si le GPS est activé ou non.

    • Et puis implémenter LocationListener et obtenir des coordonnées:

       LocationListener locationListener = new MyLocationListener(); locationManager.requestLocationUpdates( LocationManager.GPS_PROVIDER, 5000, 10, locationListener); 
    • Voici l’exemple de code pour le faire


     /*---------- Listener class to get coordinates ------------- */ private class MyLocationListener implements LocationListener { @Override public void onLocationChanged(Location loc) { editLocation.setText(""); pb.setVisibility(View.INVISIBLE); Toast.makeText( getBaseContext(), "Location changed: Lat: " + loc.getLatitude() + " Lng: " + loc.getLongitude(), Toast.LENGTH_SHORT).show(); Ssortingng longitude = "Longitude: " + loc.getLongitude(); Log.v(TAG, longitude); Ssortingng latitude = "Latitude: " + loc.getLatitude(); Log.v(TAG, latitude); /*------- To get city name from coordinates -------- */ Ssortingng cityName = null; Geocoder gcd = new Geocoder(getBaseContext(), Locale.getDefault()); List
    addresses; try { addresses = gcd.getFromLocation(loc.getLatitude(), loc.getLongitude(), 1); if (addresses.size() > 0) { System.out.println(addresses.get(0).getLocality()); cityName = addresses.get(0).getLocality(); } } catch (IOException e) { e.printStackTrace(); } Ssortingng s = longitude + "\n" + latitude + "\n\nMy Current City is: " + cityName; editLocation.setText(s); } @Override public void onProviderDisabled(Ssortingng provider) {} @Override public void onProviderEnabled(Ssortingng provider) {} @Override public void onStatusChanged(Ssortingng provider, int status, Bundle extras) {} }

    Voici des informations supplémentaires pour d’autres réponses.

    Depuis Android a

     GPS_PROVIDER and NETWORK_PROVIDER 

    vous pouvez vous enregistrer à la fois et lancer des événements de onLocationChanged(Location location) partir de onLocationChanged(Location location) partir de deux en même temps. Jusqu’ici tout va bien. Maintenant, la question a besoin de deux résultats ou nous devrions prendre le meilleur. Comme je le sais, les résultats de GPS_PROVIDER sont plus précis que NETWORK_PROVIDER .

    Définissons le champ Location :

     private Location currentBestLocation = null; 

    Avant de commencer à écouter le changement de lieu, nous allons implémenter la méthode suivante. Cette méthode renvoie le dernier emplacement connu, entre le GPS et le réseau. Pour cette méthode, la plus récente est la meilleure.

     /** * @return the last know best location */ private Location getLastBestLocation() { Location locationGPS = mLocationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER); Location locationNet = mLocationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER); long GPSLocationTime = 0; if (null != locationGPS) { GPSLocationTime = locationGPS.getTime(); } long NetLocationTime = 0; if (null != locationNet) { NetLocationTime = locationNet.getTime(); } if ( 0 < GPSLocationTime - NetLocationTime ) { return locationGPS; } else { return locationNet; } } 

    Chaque fois que nous récupérons un nouvel emplacement, nous le comparerons à notre résultat précédent.

     ... static final int TWO_MINUTES = 1000 * 60 * 2; ... 

    J'ajoute une nouvelle méthode à onLocationChanged :

     @override public void onLocationChanged(Location location) { makeUseOfNewLocation(location); if(currentBestLocation == null){ currentBestLocation = location; } .... } /** * This method modify the last know good location according to the arguments. * * @param location The possible new location. */ void makeUseOfNewLocation(Location location) { if ( isBetterLocation(location, currentBestLocation) ) { currentBestLocation = location; } } .... /** Determines whether one location reading is better than the current location fix * @param location The new location that you want to evaluate * @param currentBestLocation The current location fix, to which you want to compare the new one. */ protected boolean isBetterLocation(Location location, Location currentBestLocation) { if (currentBestLocation == null) { // A new location is always better than no location return true; } // Check whether the new location fix is newer or older long timeDelta = location.getTime() - currentBestLocation.getTime(); boolean isSignificantlyNewer = timeDelta > TWO_MINUTES; boolean isSignificantlyOlder = timeDelta < -TWO_MINUTES; boolean isNewer = timeDelta > 0; // If it's been more than two minutes since the current location, use the new location, // because the user has likely moved. if (isSignificantlyNewer) { return true; // If the new location is more than two minutes older, it must be worse. } else if (isSignificantlyOlder) { return false; } // Check whether the new location fix is more or less accurate int accuracyDelta = (int) (location.getAccuracy() - currentBestLocation.getAccuracy()); boolean isLessAccurate = accuracyDelta > 0; boolean isMoreAccurate = accuracyDelta < 0; boolean isSignificantlyLessAccurate = accuracyDelta > 200; // Check if the old and new location are from the same provider boolean isFromSameProvider = isSameProvider(location.getProvider(), currentBestLocation.getProvider()); // Determine location quality using a combination of timeliness and accuracy if (isMoreAccurate) { return true; } else if (isNewer && !isLessAccurate) { return true; } else if (isNewer && !isSignificantlyLessAccurate && isFromSameProvider) { return true; } return false; } /** Checks whether two providers are the same */ private boolean isSameProvider(Ssortingng provider1, Ssortingng provider2) { if (provider1 == null) { return provider2 == null; } return provider1.equals(provider2); } .... 

    Vous pouvez trouver l’emplacement par GPS_PROVIDER or NETWORK_PROVIDER .

    Vue d’ensemble des services de localisation dans Android.

    Voici un exemple qui tente de trouver l’emplacement à l’aide du GPS. Si votre GPS n’est pas disponible, essayez d’utiliser le réseau pour trouver l’emplacement.

    GPSTracker.java

      public class GPSTracker extends Service implements LocationListener { private final Context mContext; // Flag for GPS status boolean isGPSEnabled = false; // Flag for network status boolean isNetworkEnabled = false; // Flag for GPS status boolean canGetLocation = false; Location location; // Location double latitude; // Latitude double longitude; // Longitude // The minimum distance to change Updates in meters private static final long MIN_DISTANCE_CHANGE_FOR_UPDATES = 10; // 10 meters // The minimum time between updates in milliseconds private static final long MIN_TIME_BW_UPDATES = 1000 * 60 * 1; // 1 minute // Declaring a Location Manager protected LocationManager locationManager; public GPSTracker(Context context) { this.mContext = context; getLocation(); } public Location getLocation() { try { locationManager = (LocationManager) mContext .getSystemService(LOCATION_SERVICE); // Getting GPS status isGPSEnabled = locationManager .isProviderEnabled(LocationManager.GPS_PROVIDER); // Getting network status isNetworkEnabled = locationManager .isProviderEnabled(LocationManager.NETWORK_PROVIDER); if (!isGPSEnabled && !isNetworkEnabled) { // No network provider is enabled } else { this.canGetLocation = true; if (isNetworkEnabled) { locationManager.requestLocationUpdates( LocationManager.NETWORK_PROVIDER, MIN_TIME_BW_UPDATES, MIN_DISTANCE_CHANGE_FOR_UPDATES, this); Log.d("Network", "Network"); if (locationManager != null) { location = locationManager .getLastKnownLocation(LocationManager.NETWORK_PROVIDER); if (location != null) { latitude = location.getLatitude(); longitude = location.getLongitude(); } } } // If GPS enabled, get latitude/longitude using GPS Services if (isGPSEnabled) { if (location == null) { locationManager.requestLocationUpdates( LocationManager.GPS_PROVIDER, MIN_TIME_BW_UPDATES, MIN_DISTANCE_CHANGE_FOR_UPDATES, this); Log.d("GPS Enabled", "GPS Enabled"); if (locationManager != null) { location = locationManager .getLastKnownLocation(LocationManager.GPS_PROVIDER); if (location != null) { latitude = location.getLatitude(); longitude = location.getLongitude(); } } } } } } catch (Exception e) { e.printStackTrace(); } return location; } /** * Stop using GPS listener * Calling this function will stop using GPS in your app. * */ public void stopUsingGPS(){ if(locationManager != null){ locationManager.removeUpdates(GPSTracker.this); } } /** * Function to get latitude * */ public double getLatitude(){ if(location != null){ latitude = location.getLatitude(); } // return latitude return latitude; } /** * Function to get longitude * */ public double getLongitude(){ if(location != null){ longitude = location.getLongitude(); } // return longitude return longitude; } /** * Function to check GPS/Wi-Fi enabled * @return boolean * */ public boolean canGetLocation() { return this.canGetLocation; } /** * Function to show settings alert dialog. * On pressing the Settings button it will launch Settings Options. * */ public void showSettingsAlert(){ AlertDialog.Builder alertDialog = new AlertDialog.Builder(mContext); // Setting Dialog Title alertDialog.setTitle("GPS is settings"); // Setting Dialog Message alertDialog.setMessage("GPS is not enabled. Do you want to go to settings menu?"); // On pressing the Settings button. alertDialog.setPositiveButton("Settings", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog,int which) { Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS); mContext.startActivity(intent); } }); // On pressing the cancel button alertDialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { dialog.cancel(); } }); // Showing Alert Message alertDialog.show(); } @Override public void onLocationChanged(Location location) { } @Override public void onProviderDisabled(Ssortingng provider) { } @Override public void onProviderEnabled(Ssortingng provider) { } @Override public void onStatusChanged(Ssortingng provider, int status, Bundle extras) { } @Override public IBinder onBind(Intent arg0) { return null; } } 

    Activité -AndroidGPSTrackingActivity.java

      public class AndroidGPSTrackingActivity extends Activity { Button btnShowLocation; // GPSTracker class GPSTracker gps; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); btnShowLocation = (Button) findViewById(R.id.btnShowLocation); // Show location button click event btnShowLocation.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View arg0) { // Create class object gps = new GPSTracker(AndroidGPSTrackingActivity.this); // Check if GPS enabled if(gps.canGetLocation()) { double latitude = gps.getLatitude(); double longitude = gps.getLongitude(); // \n is for new line Toast.makeText(getApplicationContext(), "Your Location is - \nLat: " + latitude + "\nLong: " + longitude, Toast.LENGTH_LONG).show(); } else { // Can't get location. // GPS or network is not enabled. // Ask user to enable GPS/network in settings. gps.showSettingsAlert(); } } }); } } 

    Layout- main.xml

     < ?xml version="1.0" encoding="utf-8"?>    

    AndroidManifest.xml

       

    Il y a déjà beaucoup de réponses, mais je veux montrer la dernière méthode pour obtenir la localisation à l’aide de l’API Google, afin que les nouveaux programmeurs puissent utiliser une nouvelle méthode:

    J’ai écrit tutoriel détaillé sur l’emplacement actuel dans Android sur mon blog demonuts.com Vous pouvez également trouver le code source complet développé avec Android Studio.

    Tout d’abord, mettez ceci dans le dossier de classement

      comstack 'com.google.android.gms:play-services:9.0.2' 

    puis mettre en œuvre les interfaces nécessaires

     public class MainActivity extends BaseActivitiy implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener, com.google.android.gms.location.LocationListener 

    déclarer des instances

      private GoogleApiClient mGoogleApiClient; private Location mLocation; private LocationManager locationManager; private LocationRequest mLocationRequest; 

    mettez ceci dans onCreate()

      mGoogleApiClient = new GoogleApiClient.Builder(this) .addConnectionCallbacks(this) .addOnConnectionFailedListener(this) .addApi(LocationServices.API) .build(); locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE); 

    Enfin, outrepasser les méthodes nécessaires

      @Override public void onConnected(Bundle bundle) { if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) { // TODO: Consider calling // ActivityCompat#requestPermissions // here to request the missing permissions, and then overriding // public void onRequestPermissionsResult(int requestCode, Ssortingng[] permissions, // int[] grantResults) // to handle the case where the user grants the permission. See the documentation // for ActivityCompat#requestPermissions for more details. return; } startLocationUpdates(); mLocation = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient); if(mLocation == null){ startLocationUpdates(); } if (mLocation != null) { double latitude = mLocation.getLatitude(); double longitude = mLocation.getLongitude(); } else { // Toast.makeText(this, "Location not Detected", Toast.LENGTH_SHORT).show(); } } protected void startLocationUpdates() { // Create the location request mLocationRequest = LocationRequest.create() .setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY) .setInterval(UPDATE_INTERVAL) .setFastestInterval(FASTEST_INTERVAL); // Request location updates if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) { // TODO: Consider calling // ActivityCompat#requestPermissions // here to request the missing permissions, and then overriding // public void onRequestPermissionsResult(int requestCode, Ssortingng[] permissions, // int[] grantResults) // to handle the case where the user grants the permission. See the documentation // for ActivityCompat#requestPermissions for more details. return; } LocationServices.FusedLocationApi.requestLocationUpdates(mGoogleApiClient, mLocationRequest, this); Log.d("reque", "--->>>>"); } @Override public void onConnectionSuspended(int i) { Log.i(TAG, "Connection Suspended"); mGoogleApiClient.connect(); } @Override public void onConnectionFailed(ConnectionResult connectionResult) { Log.i(TAG, "Connection failed. Error: " + connectionResult.getErrorCode()); } @Override public void onStart() { super.onStart(); mGoogleApiClient.connect(); } @Override public void onStop() { super.onStop(); if (mGoogleApiClient.isConnected()) { mGoogleApiClient.disconnect(); } } @Override public void onLocationChanged(Location location) { } 

    N’oubliez pas de démarrer le GPS sur votre appareil avant de lancer l’application.

    Comme je n’ai pas aimé une partie du code dans les autres réponses, voici ma solution simple. Cette solution est destinée à être utilisée dans une activité ou un service pour suivre l’emplacement. Il s’assure qu’il ne renvoie jamais de données trop obsolètes à moins que vous ne demandiez explicitement des données obsolètes. Il peut être exécuté en mode de rappel pour obtenir les mises à jour à leur réception ou en mode sondage pour rechercher les informations les plus récentes.

    Interface générique LocationTracker. Nous permet d’avoir plusieurs types de trackers de localisation et de twigr le plus facilement:

     package com.gabesechan.android.reusable.location; import android.location.Location; public interface LocationTracker { public interface LocationUpdateListener{ public void onUpdate(Location oldLoc, long oldTime, Location newLoc, long newTime); } public void start(); public void start(LocationUpdateListener update); public void stop(); public boolean hasLocation(); public boolean hasPossiblyStaleLocation(); public Location getLocation(); public Location getPossiblyStaleLocation(); } 

    ProviderLocationTracker – cette classe va suivre l’emplacement de GPS ou de réseau.

     package com.gabesechan.android.reusable.location; import android.content.Context; import android.location.Location; import android.location.LocationListener; import android.location.LocationManager; import android.os.Bundle; public class ProviderLocationTracker implements LocationListener, LocationTracker { // The minimum distance to change Updates in meters private static final long MIN_UPDATE_DISTANCE = 10; // The minimum time between updates in milliseconds private static final long MIN_UPDATE_TIME = 1000 * 60; private LocationManager lm; public enum ProviderType{ NETWORK, GPS }; private Ssortingng provider; private Location lastLocation; private long lastTime; private boolean isRunning; private LocationUpdateListener listener; public ProviderLocationTracker(Context context, ProviderType type) { lm = (LocationManager)context.getSystemService(Context.LOCATION_SERVICE); if(type == ProviderType.NETWORK){ provider = LocationManager.NETWORK_PROVIDER; } else{ provider = LocationManager.GPS_PROVIDER; } } public void start(){ if(isRunning){ //Already running, do nothing return; } //The provider is on, so start getting updates. Update current location isRunning = true; lm.requestLocationUpdates(provider, MIN_UPDATE_TIME, MIN_UPDATE_DISTANCE, this); lastLocation = null; lastTime = 0; return; } public void start(LocationUpdateListener update) { start(); listener = update; } public void stop(){ if(isRunning){ lm.removeUpdates(this); isRunning = false; listener = null; } } public boolean hasLocation(){ if(lastLocation == null){ return false; } if(System.currentTimeMillis() - lastTime > 5 * MIN_UPDATE_TIME){ return false; //stale } return true; } public boolean hasPossiblyStaleLocation(){ if(lastLocation != null){ return true; } return lm.getLastKnownLocation(provider)!= null; } public Location getLocation(){ if(lastLocation == null){ return null; } if(System.currentTimeMillis() - lastTime > 5 * MIN_UPDATE_TIME){ return null; //stale } return lastLocation; } public Location getPossiblyStaleLocation(){ if(lastLocation != null){ return lastLocation; } return lm.getLastKnownLocation(provider); } public void onLocationChanged(Location newLoc) { long now = System.currentTimeMillis(); if(listener != null){ listener.onUpdate(lastLocation, lastTime, newLoc, now); } lastLocation = newLoc; lastTime = now; } public void onProviderDisabled(Ssortingng arg0) { } public void onProviderEnabled(Ssortingng arg0) { } public void onStatusChanged(Ssortingng arg0, int arg1, Bundle arg2) { } } 

    Le est le FallbackLocationTracker, qui suivra à la fois GPS et NETWORK, et utilisera n’importe quel emplacement plus précis.

     package com.gabesechan.android.reusable.location; import android.content.Context; import android.location.Location; import android.location.LocationManager; public class FallbackLocationTracker implements LocationTracker, LocationTracker.LocationUpdateListener { private boolean isRunning; private ProviderLocationTracker gps; private ProviderLocationTracker net; private LocationUpdateListener listener; Location lastLoc; long lastTime; public FallbackLocationTracker(Context context) { gps = new ProviderLocationTracker(context, ProviderLocationTracker.ProviderType.GPS); net = new ProviderLocationTracker(context, ProviderLocationTracker.ProviderType.NETWORK); } public void start(){ if(isRunning){ //Already running, do nothing return; } //Start both gps.start(this); net.start(this); isRunning = true; } public void start(LocationUpdateListener update) { start(); listener = update; } public void stop(){ if(isRunning){ gps.stop(); net.stop(); isRunning = false; listener = null; } } public boolean hasLocation(){ //If either has a location, use it return gps.hasLocation() || net.hasLocation(); } public boolean hasPossiblyStaleLocation(){ //If either has a location, use it return gps.hasPossiblyStaleLocation() || net.hasPossiblyStaleLocation(); } public Location getLocation(){ Location ret = gps.getLocation(); if(ret == null){ ret = net.getLocation(); } return ret; } public Location getPossiblyStaleLocation(){ Location ret = gps.getPossiblyStaleLocation(); if(ret == null){ ret = net.getPossiblyStaleLocation(); } return ret; } public void onUpdate(Location oldLoc, long oldTime, Location newLoc, long newTime) { boolean update = false; //We should update only if there is no last location, the provider is the same, or the provider is more accurate, or the old location is stale if(lastLoc == null){ update = true; } else if(lastLoc != null && lastLoc.getProvider().equals(newLoc.getProvider())){ update = true; } else if(newLoc.getProvider().equals(LocationManager.GPS_PROVIDER)){ update = true; } else if (newTime - lastTime > 5 * 60 * 1000){ update = true; } if(update){ if(listener != null){ listener.onUpdate(lastLoc, lastTime, newLoc, newTime); } lastLoc = newLoc; lastTime = newTime; } } } 

    Comme les deux implémentent l’interface LocationTracker, vous pouvez facilement changer d’avis sur celui à utiliser. Pour exécuter la classe en mode d’interrogation, appelez simplement start (). Pour l’exécuter en mode de mise à jour, appelez le début (Listener).

    Jetez également un coup d’œil à mon blog sur le code

    Obtenir l’emplacement de gps par –

     LocationManager locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE); LocationListener locationListener = new LocationListener() { @Override public void onStatusChanged(Ssortingng provider, int status, Bundle extras) { // TODO Auto-generated method stub } @Override public void onProviderEnabled(Ssortingng provider) { // TODO Auto-generated method stub } @Override public void onProviderDisabled(Ssortingng provider) { // TODO Auto-generated method stub } @Override public void onLocationChanged(Location location) { // TODO Auto-generated method stub double latitude = location.getLatitude(); double longitude = location.getLongitude(); double speed = location.getSpeed(); //spedd in meter/minute speed = (speed*3600)/1000; // speed in km/minute Toast.makeText(GraphViews.this, "Current speed:" + location.getSpeed(),Toast.LENGTH_SHORT).show(); } }; locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locationListener); } 

    Vous devez utiliser le dernier / le plus récent

    GoogleApiClient Api

    Fondamentalement, vous devez faire ce qui suit:

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

    alors

     @Override public void onConnected(Bundle connectionHint) { mLastLocation = LocationServices.FusedLocationApi.getLastLocation( mGoogleApiClient); if (mLastLocation != null) { mLatitudeText.setText(Ssortingng.valueOf(mLastLocation.getLatitude())); mLongitudeText.setText(Ssortingng.valueOf(mLastLocation.getLongitude())); } } 

    pour l’emplacement le plus précis et le plus fiable. Voir mon post ici:

    https://stackoverflow.com/a/33599228/2644905

    N’utilisez pas LocationListener qui n’est pas précis et qui a une réponse différée. Pour être honnête, c’est plus facile à mettre en œuvre. Lisez également la documentation: https://developers.google.com/android/reference/com/google/android/gms/common/api/GoogleApiClient

     class MyLocation { Timer timer1; LocationManager lm; LocationResult locationResult; boolean gps_enabled = false; boolean network_enabled = false; public boolean getLocation(Context context, LocationResult result) { // I use LocationResult callback class to pass location value from // MyLocation to user code. locationResult = result; if (lm == null) lm = (LocationManager) context .getSystemService(Context.LOCATION_SERVICE); // Exceptions will be thrown if the provider is not permitted. try { gps_enabled = lm.isProviderEnabled(LocationManager.GPS_PROVIDER); } catch (Exception ex) { } try { network_enabled = lm .isProviderEnabled(LocationManager.NETWORK_PROVIDER); } catch (Exception ex) { } // Don't start listeners if no provider is enabled. if (!gps_enabled && !network_enabled) return false; if (gps_enabled) lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locationListenerGps); if (network_enabled) lm.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, locationListenerNetwork); timer1 = new Timer(); timer1.schedule(new GetLastLocation(), 5000); return true; } LocationListener locationListenerGps = new LocationListener() { public void onLocationChanged(Location location) { timer1.cancel(); locationResult.gotLocation(location); lm.removeUpdates(this); lm.removeUpdates(locationListenerNetwork); } public void onProviderDisabled(Ssortingng provider) { } public void onProviderEnabled(Ssortingng provider) { } public void onStatusChanged(Ssortingng provider, int status, Bundle extras) { } }; LocationListener locationListenerNetwork = new LocationListener() { public void onLocationChanged(Location location) { timer1.cancel(); locationResult.gotLocation(location); lm.removeUpdates(this); lm.removeUpdates(locationListenerGps); } public void onProviderDisabled(Ssortingng provider) { } public void onProviderEnabled(Ssortingng provider) { } public void onStatusChanged(Ssortingng provider, int status, Bundle extras) { } }; class GetLastLocation extends TimerTask { @Override public void run() { lm.removeUpdates(locationListenerGps); lm.removeUpdates(locationListenerNetwork); Location net_loc = null, gps_loc = null; if (gps_enabled) gps_loc = lm.getLastKnownLocation(LocationManager.GPS_PROVIDER); if (network_enabled) net_loc = lm .getLastKnownLocation(LocationManager.NETWORK_PROVIDER); // If there are both values, use the latest one. if (gps_loc != null && net_loc != null) { if (gps_loc.getTime() > net_loc.getTime()) locationResult.gotLocation(gps_loc); else locationResult.gotLocation(net_loc); return; } if (gps_loc != null) { locationResult.gotLocation(gps_loc); return; } if (net_loc != null) { locationResult.gotLocation(net_loc); return; } locationResult.gotLocation(null); } } public static abstract class LocationResult { public abstract void gotLocation(Location location); } } 

    J’espère que cela t’aidera…

    Now that Google Play locations services are here, I recommend that developers start using the new fused location provider. You will find it easier to use and more accurate. Please watch the Google I/O video Beyond the Blue Dot: New Features in Android Location by the two guys who created the new Google Play location services API.

    I’ve been working with location APIs on a number of mobile platforms, and I think what these two guys have done is really revolutionary. It’s gotten rid of a huge amount of the complexities of using the various providers. Stack Overflow is littered with questions about which provider to use, whether to use last known location, how to set other properties on the LocationManager, etc. This new API that they have built removes most of those uncertainties and makes the location services a pleasure to use.

    I’ve written an Android app that periodically gets the location using Google Play location services and sends the location to a web server where it is stored in a database and can be viewed on Google Maps . I’ve written both the client software (for Android, iOS, Windows Phone and Java ME ) and the server software (for ASP.NET and SQL Server or PHP and MySQL ). The software is written in the native language on each platform and works properly in the background on each. Lastly, the software has the MIT License . You can find the Android client here:

    https://github.com/nickfox/GpsTracker/tree/master/phoneClients/android

    LocationManager is a class that provides in-build methods to get last know location

    STEP 1 :Create a LocationManager Object as below

    LocationManager locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);

    STEP 2 : Add Criteria

     *Criteria is use for setting accuracy* Criteria criteria = new Criteria(); int currentapiVersion = android.os.Build.VERSION.SDK_INT; if (currentapiVersion >= android.os.Build.VERSION_CODES.HONEYCOMB) { criteria.setSpeedAccuracy(Criteria.ACCURACY_HIGH); criteria.setAccuracy(Criteria.ACCURACY_FINE); criteria.setAltitudeRequired(true); criteria.setBearingRequired(true); criteria.setSpeedRequired(true); } 

    STEP 3 :GET Avaliable Provider

    Threre are two types of provider GPS and network

      Ssortingng provider = locationManager.getBestProvider(criteria, true); 

    STEP 4: Get Last Know Location

     Location location = locationManager.getLastKnownLocation(provider); 

    STEP 5: Get Latitude and Longitude

    If location object is null then dont try to call below method s

    getLatitude and getLongitude is methods which returns double values

    Getting location updates requires lots of bolierplate code in Android, You need to take care of

    • Google Play services availablity Check,
    • Update Google play Service if it is old or not available
    • Dialog Creation of GoogleApiClient and its callbacks connected,disconnected etc.
    • Stopping and releasing resources for location updates
    • Handling Location permission scenarios
    • Checking Location services are On or Off
    • Getting lastknown location is not so easy either
    • Fallback to last known location if not getting location after certain duration

    To ease out all these steps i have created Android-EasyLocation (small android library) which will take care all this stuff and you can focus on business logic.

    All you need is extend EasyLocationActivity and this

     requestSingleLocationFix(easyLocationRequest); 

    ou

     requestLocationUpdates(easyLocationRequest); 

    Checkout sample app and steps needed here at https://github.com/akhgupta/Android-EasyLocation

    Simplest you can find

      package com.javapapers.android.geolocationfinder; import android.os.Bundle; import android.app.Activity; import android.content.Context; import android.location.Location; import android.location.LocationListener; import android.location.LocationManager; import android.widget.TextView; import android.util.Log; public class MainActivity extends Activity implements LocationListener{ protected LocationManager locationManager; protected LocationListener locationListener; protected Context context; TextView txtLat; Ssortingng lat; Ssortingng provider; protected Ssortingng latitude,longitude; protected boolean gps_enabled,network_enabled; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); txtLat = (TextView) findViewById(R.id.textview1); locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE); locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, this); } @Override public void onLocationChanged(Location location) { txtLat = (TextView) findViewById(R.id.textview1); txtLat.setText("Latitude:" + location.getLatitude() + ", Longitude:" + location.getLongitude()); } @Override public void onProviderDisabled(Ssortingng provider) { Log.d("Latitude","disable"); } @Override public void onProviderEnabled(Ssortingng provider) { Log.d("Latitude","enable"); } @Override public void onStatusChanged(Ssortingng provider, int status, Bundle extras) { Log.d("Latitude","status"); } } 

    I have made a project from which we can get the accurate location using Google Play Services, GPS and Network providers. This project can be found here .

    Strategy in finding the best location is that first get the location from google play services if location is found then check weather it is better or not, if location found is null restart google play services and try to fetch the location from Android Location API. Register the location on change listeners and when ever the better location is found the call back returns it to the main activity.

    It is very simple to use and implement in code only two classes we need to embed ie LocationManagerInterface and SmartLocationManager , LocationActivity is implementing the interface and using SmartLocationManager to fetch location.

     /** * Created by Syed Raza Mehdi Naqvi on 8/10/2016. */ public interface LocationManagerInterface { Ssortingng TAG = LocationManagerInterface.class.getSimpleName(); void locationFetched(Location mLocation, Location oldLocation, Ssortingng time, Ssortingng locationProvider); } 

    here is the location manager class

     import android.Manifest; import android.app.Activity; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.IntentSender; import android.content.pm.PackageManager; import android.location.Location; import android.location.LocationManager; import android.os.Build; import android.os.Bundle; import android.support.v4.app.ActivityCompat; import android.support.v4.content.ContextCompat; import android.support.v7.app.AlertDialog; import android.util.Log; import android.widget.Toast; import com.google.android.gms.common.ConnectionResult; import com.google.android.gms.common.GooglePlayServicesUtil; 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 java.text.DateFormat; import java.util.Date; /** * Created by Syed Raza Mehdi Naqvi on 8/9/2016. */ public class SmartLocationManager implements GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener, LocationListener { private static final Ssortingng TAG = SmartLocationManager.class.getSimpleName(); private static final int TWO_MINUTES = 1000 * 60 * 2; private static final int PERMISSION_REQUEST_CODE = 1000; private static final int CONNECTION_FAILURE_RESOLUTION_REQUEST = 9000; // default value is false but user can change it private Ssortingng mLastLocationUpdateTime; // fetched location time private Ssortingng locationProvider; // source of fetched location private Location mLastLocationFetched; // location fetched private Location mLocationFetched; // location fetched private Location networkLocation; private Location gpsLocation; private int mLocationPiority; private long mLocationFetchInterval; private long mFastestLocationFetchInterval; private Context mContext; // application context private Activity mActivity; // activity context private LocationRequest mLocationRequest; private GoogleApiClient mGoogleApiClient; private LocationManagerInterface mLocationManagerInterface; private android.location.LocationManager locationManager; private android.location.LocationListener locationListener; boolean isGPSEnabled; boolean isNetworkEnabled; private int mProviderType; public static final int NETWORK_PROVIDER = 1; public static final int ALL_PROVIDERS = 0; public static final int GPS_PROVIDER = 2; // private final double STANDARD_LOCATION_ACCURACY = 100.0; // private final double STANDARD_LOCATION_SEED_LIMIT = 6.95; public static final int LOCATION_PROVIDER_ALL_RESTICTION = 1; public static final int LOCATION_PROVIDER_RESTRICTION_NONE = 0; public static final int LOCATION_PROVIDER_GPS_ONLY_RESTICTION = 2; public static final int LOCATION_PROVIDER_NETWORK_ONLY_RESTICTION = 3; private int mForceNetworkProviders = 0; public SmartLocationManager(Context context, Activity activity, LocationManagerInterface locationInterface, int providerType, int locationPiority, long locationFetchInterval, long fastestLocationFetchInterval, int forceNetworkProviders) { mContext = context; mActivity = activity; mProviderType = providerType; mLocationPiority = locationPiority; mForceNetworkProviders = forceNetworkProviders; mLocationFetchInterval = locationFetchInterval; mFastestLocationFetchInterval = fastestLocationFetchInterval; mLocationManagerInterface = locationInterface; initSmartLocationManager(); } public void initSmartLocationManager() { // 1) ask for permission for Android 6 above to avoid crash // 2) check if gps is available // 3) get location using awesome strategy askLocationPermission(); // for android version 6 above checkNetworkProviderEnable(mForceNetworkProviders); // if (isGooglePlayServicesAvailable()) // if googleplay services available initLocationObjts(); // init obj for google play service and start fetching location else getLocationUsingAndroidAPI(); // otherwise get location using Android API } private void initLocationObjts() { // Create the LocationRequest object mLocationRequest = LocationRequest.create() .setPriority(mLocationPiority) .setInterval(mLocationFetchInterval) // 10 seconds, in milliseconds .setFastestInterval(mFastestLocationFetchInterval); // 1 second, in milliseconds if (mGoogleApiClient == null) { mGoogleApiClient = new GoogleApiClient.Builder(mActivity) .addConnectionCallbacks(this) .addOnConnectionFailedListener(this) .addApi(LocationServices.API) .build(); } startLocationFetching(); // connect google play services to fetch location } @Override public void onConnected(Bundle connectionHint) { Location location = LocationServices.FusedLocationApi.getLastLocation(mGoogleApiClient); startLocationUpdates(); if (location == null) { LocationServices.FusedLocationApi.requestLocationUpdates(mGoogleApiClient, mLocationRequest, this); getLocationUsingAndroidAPI(); } else { setNewLocation(getBetterLocation(location, mLocationFetched), mLocationFetched); } } @Override public void onLocationChanged(Location location) { if (location == null) { getLastKnownLocation(); } else { setNewLocation(getBetterLocation(location, mLocationFetched), mLocationFetched); } } @Override public void onConnectionSuspended(int i) { Log.i(TAG, "Connection suspended"); } @Override public void onConnectionFailed(ConnectionResult connectionResult) { if (connectionResult.hasResolution()) { try { connectionResult.startResolutionForResult(mActivity, CONNECTION_FAILURE_RESOLUTION_REQUEST); // Start an Activity that sortinges to resolve the error getLocationUsingAndroidAPI(); // try to get location using Android API locationManager } catch (IntentSender.SendIntentException e) { e.printStackTrace(); } } else { Log.i(TAG, "Location services connection failed with code " + connectionResult.getErrorCode()); } } private void setNewLocation(Location location, Location oldLocation) { if (location != null) { mLastLocationFetched = oldLocation; mLocationFetched = location; mLastLocationUpdateTime = DateFormat.getTimeInstance().format(new Date()); locationProvider = location.getProvider(); mLocationManagerInterface.locationFetched(location, mLastLocationFetched, mLastLocationUpdateTime, location.getProvider()); } } private void getLocationUsingAndroidAPI() { // Acquire a reference to the system Location Manager locationManager = (LocationManager) mContext.getSystemService(Context.LOCATION_SERVICE); setLocationListner(); captureLocation(); } public void captureLocation() { if (Build.VERSION.SDK_INT >= 23 && ContextCompat.checkSelfPermission(mContext, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ContextCompat.checkSelfPermission(mContext, android.Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) { return; } try { if (mProviderType == SmartLocationManager.GPS_PROVIDER) { locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locationListener); } else if (mProviderType == SmartLocationManager.NETWORK_PROVIDER) { locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, locationListener); } else { locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, locationListener); locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locationListener); } } catch (Exception e) { Log.e(TAG, e.getMessage()); } } private void setLocationListner() { // Define a listener that responds to location updates locationListener = new android.location.LocationListener() { public void onLocationChanged(Location location) { // Called when a new location is found by the network location provider. if (location == null) { getLastKnownLocation(); } else { setNewLocation(getBetterLocation(location, mLocationFetched), mLocationFetched); // if (isLocationAccurate(location) && location.getAccuracy() < STANDARD_LOCATION_ACCURACY && location.getSpeed() < STANDARD_LOCATION_SEED_LIMIT) {// no use of this if // setNewLocation(getBetterLocation(location, mLocationFetched), mLocationFetched); // } else { // setNewLocation(getBetterLocation(location, mLocationFetched), mLocationFetched); // } } } public void onStatusChanged(String provider, int status, Bundle extras) { } public void onProviderEnabled(String provider) { } public void onProviderDisabled(String provider) { } }; } public Location getAccurateLocation() { if (Build.VERSION.SDK_INT >= 23 && ContextCompat.checkSelfPermission(mContext, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ContextCompat.checkSelfPermission(mContext, android.Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) { return null; } try { gpsLocation = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER); networkLocation = locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER); Location newLocalGPS, newLocalNetwork; if (gpsLocation != null || networkLocation != null) { newLocalGPS = getBetterLocation(mLocationFetched, gpsLocation); newLocalNetwork = getBetterLocation(mLocationFetched, networkLocation); setNewLocation(getBetterLocation(newLocalGPS, newLocalNetwork), mLocationFetched); } } catch (Exception ex) { Log.e(TAG, ex.getMessage()); } return mLocationFetched; } protected void startLocationUpdates() { LocationServices.FusedLocationApi.requestLocationUpdates(mGoogleApiClient, mLocationRequest, this); } public void startLocationFetching() { mGoogleApiClient.connect(); if (mGoogleApiClient.isConnected()) { startLocationUpdates(); } } public void pauseLocationFetching() { if (mGoogleApiClient.isConnected()) { LocationServices.FusedLocationApi.removeLocationUpdates(mGoogleApiClient, this); mGoogleApiClient.disconnect(); } } public void abortLocationFetching() { mGoogleApiClient.disconnect(); // Remove the listener you previously added if (locationManager != null && locationListener != null) { if (Build.VERSION.SDK_INT >= 23 && ContextCompat.checkSelfPermission(mContext, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ContextCompat.checkSelfPermission(mContext, android.Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) { return; } try { locationManager.removeUpdates(locationListener); locationManager = null; } catch (Exception ex) { Log.e(TAG, ex.getMessage()); } } } public void resetLocation() { mLocationFetched = null; mLastLocationFetched = null; networkLocation = null; gpsLocation = null; } // Android M Permission check public void askLocationPermission() { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { if (ContextCompat.checkSelfPermission(mActivity, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED || ContextCompat.checkSelfPermission(mActivity, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED ) { if (ActivityCompat.shouldShowRequestPermissionRationale(mActivity, Manifest.permission.ACCESS_COARSE_LOCATION) || ActivityCompat.shouldShowRequestPermissionRationale(mActivity, Manifest.permission.ACCESS_FINE_LOCATION)) { final AlertDialog.Builder builder = new AlertDialog.Builder(mActivity); builder.setMessage("Please allow all permissions in App Settings for additional functionality.") .setCancelable(false) .setPositiveButton("Allow", new DialogInterface.OnClickListener() { public void onClick(@SuppressWarnings("unused") final DialogInterface dialog, @SuppressWarnings("unused") final int id) { Toast.makeText(mContext, "Welcome", Toast.LENGTH_SHORT).show(); } }) .setNegativeButton("Deny", new DialogInterface.OnClickListener() { public void onClick(final DialogInterface dialog, @SuppressWarnings("unused") final int id) { mActivity.finish(); } }); final AlertDialog alert = builder.create(); alert.show(); } else ActivityCompat.requestPermissions(mActivity, new Ssortingng[]{Manifest.permission.ACCESS_COARSE_LOCATION , Manifest.permission.ACCESS_FINE_LOCATION }, PERMISSION_REQUEST_CODE); } } } public void checkNetworkProviderEnable(int enforceActive) { locationManager = (LocationManager) mContext.getSystemService(Context.LOCATION_SERVICE); isGPSEnabled = locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER); isNetworkEnabled = locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER); if (!isGPSEnabled && !isNetworkEnabled) { buildAlertMessageTurnOnLocationProviders("Your location providers seems to be disabled, please enable it", "OK", "Cancel"); } else if (!isGPSEnabled && mForceNetworkProviders == LOCATION_PROVIDER_GPS_ONLY_RESTICTION) { buildAlertMessageTurnOnLocationProviders("Your GPS seems to be disabled, please enable it", "OK", "Cancel"); } else if (!isNetworkEnabled && mForceNetworkProviders == LOCATION_PROVIDER_NETWORK_ONLY_RESTICTION) { buildAlertMessageTurnOnLocationProviders("Your Network location provider seems to be disabled, please enable it", "OK", "Cancel"); } // getting network status if (!isGPSEnabled && !isNetworkEnabled) { Toast.makeText(mContext, "Location can't be fetched!", Toast.LENGTH_SHORT).show(); // show alert mActivity.finish(); } } private void buildAlertMessageTurnOnLocationProviders(Ssortingng message, Ssortingng positiveButtonText, Ssortingng negativeButtonText) { final AlertDialog.Builder builder = new AlertDialog.Builder(mActivity); builder.setMessage(message) .setCancelable(false) .setPositiveButton(positiveButtonText, new DialogInterface.OnClickListener() { public void onClick(@SuppressWarnings("unused") final DialogInterface dialog, @SuppressWarnings("unused") final int id) { Intent mIntent = new Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS); mIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); mContext.startActivity(mIntent); } }) .setNegativeButton(negativeButtonText, new DialogInterface.OnClickListener() { public void onClick(final DialogInterface dialog, @SuppressWarnings("unused") final int id) { mActivity.finish(); } }); final AlertDialog alert = builder.create(); alert.show(); } public Location getLastKnownLocation() { locationProvider = LocationManager.NETWORK_PROVIDER; Location lastKnownLocation = null; // Or use LocationManager.GPS_PROVIDER if (Build.VERSION.SDK_INT >= 23 && ContextCompat.checkSelfPermission(mContext, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ContextCompat.checkSelfPermission(mContext, android.Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) { return lastKnownLocation; } try { lastKnownLocation = locationManager.getLastKnownLocation(locationProvider); return lastKnownLocation; } catch (Exception e) { Log.e(TAG, e.getMessage()); } return lastKnownLocation; } public boolean isGooglePlayServicesAvailable() { int status = GooglePlayServicesUtil.isGooglePlayServicesAvailable(mContext); if (status == ConnectionResult.SUCCESS) { return true; } else { return false; } } /** * Determines whether one Location reading is better than the current Location fix * * @param location The new Location that you want to evaluate * @param currentBestLocation The current Location fix, to which you want to compare the new one */ protected Location getBetterLocation(Location location, Location currentBestLocation) { if (currentBestLocation == null) { // A new location is always better than no location return location; } // Check whether the new location fix is newer or older long timeDelta = location.getTime() - currentBestLocation.getTime(); boolean isSignificantlyNewer = timeDelta > TWO_MINUTES; boolean isSignificantlyOlder = timeDelta < -TWO_MINUTES; boolean isNewer = timeDelta > 0; // If it's been more than two minutes since the current location, use the new location // because the user has likely moved if (isSignificantlyNewer) { return location; // If the new location is more than two minutes older, it must be worse } else if (isSignificantlyOlder) { return currentBestLocation; } // Check whether the new location fix is more or less accurate int accuracyDelta = (int) (location.getAccuracy() - currentBestLocation.getAccuracy()); boolean isLessAccurate = accuracyDelta > 0; boolean isMoreAccurate = accuracyDelta < 0; boolean isSignificantlyLessAccurate = accuracyDelta > 200; // Check if the old and new location are from the same provider boolean isFromSameProvider = isSameProvider(location.getProvider(), currentBestLocation.getProvider()); // Determine location quality using a combination of timeliness and accuracy if (isMoreAccurate) { return location; } else if (isNewer && !isLessAccurate) { return location; } else if (isNewer && !isSignificantlyLessAccurate && isFromSameProvider) { return location; } return currentBestLocation; } /** * Checks whether two providers are the same */ private boolean isSameProvider(Ssortingng provider1, Ssortingng provider2) { if (provider1 == null) { return provider2 == null; } return provider1.equals(provider2); } public boolean isLocationAccurate(Location location) { if (location.hasAccuracy()) { return true; } else { return false; } } public Location getStaleLocation() { if (mLastLocationFetched != null) { return mLastLocationFetched; } if (Build.VERSION.SDK_INT >= 23 && ContextCompat.checkSelfPermission(mContext, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ContextCompat.checkSelfPermission(mContext, android.Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) { return null; } if (mProviderType == SmartLocationManager.GPS_PROVIDER) { return locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER); } else if (mProviderType == SmartLocationManager.NETWORK_PROVIDER) { return locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER); } else { return getBetterLocation(locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER), locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER)); } } } 

    we can use it with activity or a fragment, here i am using it with activity

     import android.location.Location; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.widget.TextView; import android.widget.Toast; import com.example.raza.locationaware.location.LocationManagerInterface; import com.example.raza.locationaware.location.SmartLocationManager; import com.google.android.gms.location.LocationRequest; public class LocationActivity extends AppCompatActivity implements LocationManagerInterface { public static final Ssortingng TAG = LocationActivity.class.getSimpleName(); SmartLocationManager mLocationManager; TextView mLocalTV, mLocationProviderTV, mlocationTimeTV; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_location); mLocationManager = new SmartLocationManager(getApplicationContext(), this, this, SmartLocationManager.ALL_PROVIDERS, LocationRequest.PRIORITY_HIGH_ACCURACY, 10 * 1000, 1 * 1000, SmartLocationManager.LOCATION_PROVIDER_RESTRICTION_NONE); // init location manager mLocalTV = (TextView) findViewById(R.id.locationDisplayTV); mLocationProviderTV = (TextView) findViewById(R.id.locationProviderTV); mlocationTimeTV = (TextView) findViewById(R.id.locationTimeFetchedTV); } protected void onStart() { super.onStart(); mLocationManager.startLocationFetching(); } protected void onStop() { super.onStop(); mLocationManager.abortLocationFetching(); } @Override protected void onPause() { super.onPause(); mLocationManager.pauseLocationFetching(); } @Override public void locationFetched(Location mLocal, Location oldLocation, Ssortingng time, Ssortingng locationProvider) { Toast.makeText(getApplication(), "Lat : " + mLocal.getLatitude() + " Lng : " + mLocal.getLongitude(), Toast.LENGTH_LONG).show(); mLocalTV.setText("Lat : " + mLocal.getLatitude() + " Lng : " + mLocal.getLongitude()); mLocationProviderTV.setText(locationProvider); mlocationTimeTV.setText(time); } } 

    Hope it helps, if you can suggest any improvement kindly post it on git . Merci.

    GoogleSamples has verbose example using latest FusedLocationProviderApi. Unfortunately the most upvoted answers are out of date.

    Follow the below examples to implement Location Services using FusedLocationProviderApi

    https://github.com/googlesamples/android-play-location/tree/master/LocationUpdates

    https://github.com/googlesamples/android-play-location/blob/master/LocationUpdates/app/src/main/java/com/google/android/gms/location/sample/locationupdates/MainActivity.java

    If you are creating new location projects for Android you should use the new Google Play location services. It is much more accurate and much simpler to use.

    I have been working on an open source GPS tracker project , GpsTracker, for several years. I recently updated it to handle periodic updates from Android, iOS, Windows Phone and Java ME cell phones. It is fully functional and does what you need and has the MIT License .

    The Android project within GpsTracker uses the new Google Play services and there are also two server stacks ( ASP.NET and PHP ) to allow you to track those phones.

    For just location checking you can use following code. You can put it in your onStart() of main activity and display alert dialog if return is false.

     private boolean isLocationAccurate() { if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) { String provider = Settings.Secure .getString(getContentResolver(), Settings.Secure.LOCATION_PROVIDERS_ALLOWED); if (provider != null && !provider.contains("gps")) { return false; } } else { try { int status = Settings.Secure .getInt(this.getContentResolver(), Settings.Secure.LOCATION_MODE); if (status != Settings.Secure.LOCATION_MODE_HIGH_ACCURACY) { return false; } } catch (Settings.SettingNotFoundException e) { Log.e(TAG, e.getMessage()); } } return true; } 

    I have published a small library that can make it easy to get location data in Android, it even takes care of Android M runtime permissions.

    You might check it out here: https://github.com/julioromano/RxLocation and use it or its source code as examples for your implementation.

    Simple Find Write Code in On Location Method

     public void onLocationChanged(Location 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_RED)); mCurrLocationMarker = mMap.addMarker(markerOptions); //move map camera mMap.moveCamera(CameraUpdateFactory.newLatLng(latLng)); mMap.animateCamera(CameraUpdateFactory.zoomTo(18)); PolylineOptions pOptions = new PolylineOptions() .width(5) .color(Color.GREEN) .geodesic(true); for (int z = 0; z < routePoints.size(); z++) { LatLng point = routePoints.get(z); pOptions.add(point); } line = mMap.addPolyline(pOptions); routePoints.add(latLng); } 

    I have got very accurate location using FusedLocationProviderClient
    ( Google Play services required )

    Permissions Required

    android.permission.ACCESS_FINE_LOCATION

    android.permission.ACCESS_COARSE_LOCATION

    Dependency

    ‘com.google.android.gms:play-services-location:15.0.0’

    Kotlin Code

     val client = FusedLocationProviderClient(this) val location = client.lastLocation location.addOnCompleteListener { // this is a lambda expression and we get an 'it' iterator to access the 'result' // it.result.latitude gives the latitude // it.result.longitude gives the longitude val geocoder = Geocoder(applicationContext, Locale.getDefault()) val address = geocoder.getFromLocation(it.result.latitude, it.result.longitude, 1) if (address != null && address.size > 0) { // Get the current city city = address[0].locality } } location.addOnFailureListener { // Some error in getting the location, let's log it Log.d("xtraces", it.message) } 

    I will recommend using Smart Location Library
    Very simple to use and it wraps the location logic nicely.

    For starting the location service:

     SmartLocation.with(context).location() .start(new OnLocationUpdatedListener() { ... }); 

    If you just want to get a single location (not periodic) you can just use the oneFix modifier. Exemple:

     SmartLocation.with(context).location() .oneFix() .start(new OnLocationUpdatedListener() { ... }); 

    Simple and easy way,

    Get location using https://github.com/sachinvarma/EasyLocation .

    Step 1: Just call

     new EasyLocationInit(MainActivity.this, timeInterval, fastestTimeInterval, runAsBackgroundService); 

    timeInterval -> setInterval(long)(inMilliSeconds) means – set the interval in which you want to get locations.

    fastestTimeInterval -> setFastestInterval(long)(inMilliSeconds) means – if a location is available sooner you can get it. (ie another app is using the location services).

    runAsBackgroundService = True -> (Service will run in Background and updates Frequently(according to the timeInterval and fastestTimeInterval)) runAsBackgroundService = False -> (Service will getDestroyed after a successful location update )

    Step 2: Prepare EventBus subscribers: Declare and annotate your subscribing method, optionally specify a thread mode:

    par exemple:

      @Override public void onStart() { super.onStart(); EventBus.getDefault().register(this); } @Override public void onStop() { super.onStop(); EventBus.getDefault().unregister(this); } @SuppressLint("SetTextI18n") @Subscribe public void getEvent(final Event event) { if (event instanceof LocationEvent) { if (((LocationEvent) event).location != null) { ((TextView) findViewById(R.id.tvLocation)).setText("The Latitude is " + ((LocationEvent) event).location.getLatitude() + " and the Longitude is " + ((LocationEvent) event).location.getLongitude()); } } } 

    C’est tout.

    Hope it will help someone in future.