i have a main activity whit navigation drawer (whit frame layout)
private void selectItem(int position) {
// Getting reference to the FragmentManager
FragmentManager fragmentManager = getSupportFragmentManager();
FragmentTransaction ft = fragmentManager.beginTransaction();
switch (position) {
case 0:
MapFragment mapFragment= new MapFragment();
/**
// Creating a Bundle object
Bundle data = new Bundle();
// Setting the index of the currently selected item of mDrawerList
data.putInt("position", position);
// Setting the position to the fragment
mapFragment.setArguments(data);
// Creating a fragment transaction
ft = fragmentManager.beginTransaction();
*/
// Adding a fragment to the fragment transaction
ft.replace(R.id.content_frame, mapFragment);
ft.commit();
break;
case 1:
GpsDatiFragment gpsFragment= new GpsDatiFragment();
ft.replace(R.id.content_frame,gpsFragment);
ft.commit();
break;
case 2:
AltroFragment altroFragment= new AltroFragment();
ft.replace(R.id.content_frame, altroFragment);
ft.commit();
break;
case 3:
finish();
default:
break;
}
here all ok, In One fragment there is the map and in another there is a details of gps and location (altitude, latitude, time to fix ecc)....then i have create a service that implement location listener and i'll want that it send info of onlocationchanded and gpsstatus to fragment 1 (map whit location) and 2 (altitude speed latitude time to fix) but i dont know how to do.....how sync the info for both fragment??? thanks
edit:
this is my service
public class GPSTracker extends Service implements LocationListener {
private final Context mContext;
String provider;
Criteria criteria;
// 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 = 1; // 10 meters
// The minimum time between updates in milliseconds
private static final long MIN_TIME_BW_UPDATES = 400; // 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);
//locationManager.addGpsStatusListener(this);
//Criteria criteria= new Criteria();
//criteria.setAccuracy(Criteria.ACCURACY_FINE);
//provider= locationManager.getBestProvider(criteria, false);
//location= locationManager.getLastKnownLocation(provider);
//locationManager.requestLocationUpdates(provider, 400, 1, this);
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);
}
}else{
locationManager.requestLocationUpdates(
LocationManager.GPS_PROVIDER,
MIN_TIME_BW_UPDATES,
MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
}
}else 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);
}
}
} 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("GPS is settings");
// Setting Dialog Message
alertDialog.setMessage("GPS is not enabled. Do you want to go to settings menu?");
// On pressing 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 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) {
//getLocation();
}
@Override
public void onProviderDisabled(String provider) {
getLocation();
//locationManager.requestLocationUpdates(locationManager.NETWORK_PROVIDER, 400, 1, this);
}
@Override
public void onProviderEnabled(String provider) {
getLocation();
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
}
@Override
public IBinder onBind(Intent arg0) {
return null;
}
}
and this is my fragment for map:
public class MapFragment extends SupportMapFragment {
GoogleMap mapView;
Intent intent;
// GPSTracker class
GPSTracker gps;
Location location ;
@Override
public void onCreate(Bundle arg0) {
super.onCreate(arg0);
// create class object
getActivity().startService(new Intent(getActivity(), GPSTracker.class));
}
@Override
public View onCreateView(LayoutInflater mInflater, ViewGroup arg1,
Bundle arg2) {
return super.onCreateView(mInflater, arg1, arg2);
}
@Override
public void onInflate(Activity arg0, AttributeSet arg1, Bundle arg2) {
super.onInflate(arg0, arg1, arg2);
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
gps = new GPSTracker(getActivity());
// check if GPS enabled
//location = gps.getLocation();
double latitude = gps.getLatitude();
double longitude = gps.getLongitude();
mapView = getMap();
MarkerOptions markerOptions = new MarkerOptions();
markerOptions.draggable(true);
markerOptions.position(new LatLng(latitude, longitude));
markerOptions.icon(BitmapDescriptorFactory.defaultMarker());
mapView.addMarker(markerOptions);
// \n is for new line
Context context = getActivity().getApplicationContext();
Toast.makeText(context, "Your Location is - \nLat: " + latitude + "\nLong: " + longitude, Toast.LENGTH_LONG).show();
// can't get location
// GPS or Network is not enabled
// Ask user to enable GPS/network in settings
// gps.showSettingsAlert();
}
}
this is fragment for deatils:
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.activity_main, container, false);
longitudeField= (TextView) rootView.findViewById(R.id.textView4);
altitudine= (TextView) rootView.findViewById(R.id.textView6);
precisione= (TextView) rootView.findViewById(R.id.textView8);
speed= (TextView) rootView.findViewById(R.id.textView10);
timeFix= (TextView) rootView.findViewById(R.id.textView12);
satFixed= (TextView) rootView.findViewById(R.id.textView14);
elencoSat= (TextView) rootView.findViewById(R.id.textView15);
latitudeField= (TextView) rootView.findViewById(R.id.textView2);
gps= new GPSTracker(getActivity());
update();
return rootView;
}
/* Request updates at startup */
@Override
public void onResume() {
super.onResume();
//update();
//locationManager.requestLocationUpdates(provider, 400, 1, this);
}
public void update(){
location = gps.getLocation();
lat= location.getLatitude();
lng= location.getLongitude();
pre= (int) location.getAccuracy();
vel= location.getSpeed();
latitudeField.setText(String.valueOf(lat));
longitudeField.setText(String.valueOf(lng));
//altitudine.setText(String.valueOf(alt)+" metri");
precisione.setText(String.valueOf(pre)+" metri");
speed.setText(String.valueOf(vel)+" km/h");
}
}