У меня есть файл GPSTracker, но в андроиде M iam получается нуль в местах... я прошу вас помочь решить эту проблему... см. код ниже
Фрагмент с указанием местоположения и веб-браузера на карты google
public class ComoChegar extends Fragment {
EmpresaID item;
public ComoChegar() {
// Required empty public constructor
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View tela = inflater.inflate(R.layout.fragment_como_chegar, container, false);
Bundle id = getActivity().getIntent().getExtras();
String Filial = id.getString("filial");
if (isOnline()) {
item = new EmpresaID(Filial);
Autenticado(item);
}
else
{
android.app.AlertDialog.Builder alerta = new android.app.AlertDialog.Builder(getActivity());
alerta.setMessage("Você está sem Acesso a Internet por favor verifique suas configurações, ative o wi-fi ou seus dados móveis");
alerta.setPositiveButton("OK", null);
alerta.show();
}
return tela;
}
public void Autenticado(EmpresaID id)
{
ServerRequests server = new ServerRequests(getActivity());
server.getEmpresa(id, new GetEmpresaID() {
@Override
public void done(EmpresaID empresa) {
if(empresa == null) {
Erro();
}
else {
GPSTracker gps = new GPSTracker(getActivity());
List<Address> addresses;
double latitude = gps.getLatitude();
double longitude = gps.getLongitude();
Geocoder geocoder;
geocoder = new Geocoder(getActivity(), Locale.getDefault());
try {
if(latitude == 0 && longitude == 0)
{
gps.showSettingsAlert();
}
else {
addresses = geocoder.getFromLocation(latitude, longitude, 1);
String address = addresses.get(0).getAddressLine(0);
String city = addresses.get(0).getLocality();
String state = addresses.get(0).getAdminArea();
String country = addresses.get(0).getCountryName();
String postalCode = addresses.get(0).getPostalCode();
String knownName = addresses.get(0).getFeatureName();
String saida = "" + address + "," + city + "-" + postalCode;
String chegada = "" + empresa.endereco + " " + empresa.numero + "," + empresa.bairro + "-" + empresa.cidade;
WebView mapa = (WebView) getActivity().findViewById(R.id.mapa);
mapa.setWebViewClient(new WebViewClient());
mapa.getSettings().setJavaScriptEnabled(true);
String ida = saida.replace(" ", "+");
String trem = chegada.replace(" ", "+");
String Url = "https://www.google.com/maps/dir/" + latitude + "," + longitude + "/" + trem + "";
mapa.loadUrl(Url);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
});
}
private void Erro() {
android.support.v7.app.AlertDialog.Builder alerta = new android.support.v7.app.AlertDialog.Builder(getActivity());
alerta.setMessage("Erro ao Carregar dados do servidor");
alerta.setPositiveButton("OK", null);
alerta.show();
}
private boolean isOnline() {
ConnectivityManager cm =
(ConnectivityManager) getActivity().getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo netInfo = cm.getActiveNetworkInfo();
return netInfo != null && netInfo.isConnectedOrConnecting();
}
}
класс GPSTracker
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;
// First get location from Network Provider
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 lat/long 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/wifi enabled
* @return boolean
* */
public boolean canGetLocation() {
return this.canGetLocation;
}
/**
* Function to show settings alert dialog
* On pressing Settings button will lauch Settings Options
* */
public void showSettingsAlert(){
AlertDialog.Builder alertDialog = new AlertDialog.Builder(mContext);
// Setting Dialog Title
alertDialog.setTitle("Erro");
// Setting Dialog Message
alertDialog.setMessage("GPS não está ligado. Gostaria de Checar nas Configurações?");
// On pressing Settings button
alertDialog.setPositiveButton("Configurações", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,int which) {
Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
mContext.startActivity(intent);
}
});
// on pressing cancel button
alertDialog.setNegativeButton("Cancelar", 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(String provider) {
}
@Override
public void onProviderEnabled(String provider) {
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
}
@Override
public IBinder onBind(Intent arg0) {
return null;
}
}