I am not able to Show the exact position in the Google Map above 4.4.2 version.Still confused on where to add Run time permission?Please Help
GpsLocation class
public class GpsLocation 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
double speed, direction;
// 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 GpsLocation(Context context) {
this.mContext = context;
getLocation();
}
public Location getLocation() {
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) {
}
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) {
if (isGPSEnabled) {
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 (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) {
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, String[] permissions,
// int[] grantResults)
// to handle the case where the user grants the permission. See the documentation
// for ActivityCompat#requestPermissions for more details.
return;
}
locationManager.removeUpdates(GpsLocation.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;
}
public double getSpeed() {
return speed;
}
public double getDirection() {
return direction;
}
/**
* 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 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 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) {
if (location != null) {
speed = location.getSpeed();
direction = location.getBearing();
}
}
@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;
}
}
NearMe class
public class NearMe extends Fragment {
MapView mMapView;
private GoogleMap googleMap;
GpsLocation gpsLocation;
double longitude, latitude;
private ProgressDialog pDialog;
ArrayList<MySchool> al_school = new ArrayList<MySchool>();
ArrayList<MyCollege> al_college = new ArrayList<MyCollege>();
ArrayList<MyUniversity> al_university = new ArrayList<MyUniversity>();
private static final String TAG = NearMe.class.getSimpleName();
private static final String urlSchool = "http://www.**.com/api/v1/schools";
private static final String urlCollege = "http://www.**.com/api/v1/colleges";
private static final String urlUniversity = "http://www.**.com/api/v1/universities";
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
final View v = inflater.inflate(R.layout.fragment_near_me, container, false);
final LocationManager locationManager = (LocationManager) getActivity().getSystemService(Context.LOCATION_SERVICE);
if (isConnected()) {
if (locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {
Toast.makeText(getContext(), "GPS is Enabled in your device", Toast.LENGTH_SHORT).show();
mMapView = (MapView) v.findViewById(R.id.mapView);
mMapView.onCreate(savedInstanceState);
mMapView.onResume();
try {
MapsInitializer.initialize(getActivity().getApplicationContext());
} catch (Exception e) {
e.printStackTrace();
}
gpsLocation = new GpsLocation(getContext());
if (gpsLocation.canGetLocation()) {
longitude = gpsLocation.getLongitude();
latitude = gpsLocation.getLatitude();
Toast.makeText(getContext(), "latitude:" + latitude + "Longitude:" + longitude, Toast.LENGTH_LONG).show();
}
pDialog = new ProgressDialog(getContext());
pDialog.setMessage("Loading…");
pDialog.show();
mMapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(GoogleMap mMap) {
googleMap = mMap;
CameraUpdate cameraUpdate = CameraUpdateFactory.newLatLng(new LatLng(gpsLocation.getLatitude(), gpsLocation.getLongitude()));
CameraUpdate zoom = CameraUpdateFactory.zoomTo(14);
mMap.moveCamera(cameraUpdate);
mMap.animateCamera(zoom);
// mMap.animateCamera(cameraUpdate);
// LatLng schoollatlng = new LatLng(latitude, longitude);
// googleMap.addMarker(new MarkerOptions().position(schoollatlng).title("MyLocation"));
// CameraPosition cameraPosition = new CameraPosition.Builder().target(schoollatlng).zoom(11).build();
// googleMap.animateCamera(CameraUpdateFactory.newCameraPosition(cameraPosition));
// googleMap.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(gpsLocation.getLatitude(), gpsLocation.getLongitude()), 14.0f));
drawSchoolMarker();
drawCollegeMarker();
drawUniversityMarker();
}
});
} else {
showGPSDisabledAlertToUser();
}
} else {
Toast.makeText(getContext(), "Please check your internet connection", Toast.LENGTH_LONG).show();
}
return v;
}
public boolean isConnected() {
ConnectivityManager connMgr = (ConnectivityManager) getActivity().getSystemService(Activity.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();
if (networkInfo != null && networkInfo.isConnected())
return true;
else
return false;
}
private void hidePDialog() {
if (pDialog != null) {
pDialog.dismiss();
pDialog = null;
}
}
private void drawSchoolMarker() {
JsonArrayRequest schoolRequest = new JsonArrayRequest(urlSchool,
new Response.Listener<JSONArray>() {
@Override
public void onResponse(JSONArray response) {
hidePDialog();
// Parsing json
for (int i = 0; i < response.length(); i++) {
try {
JSONObject obj = response.getJSONObject(i);
MySchool school = new MySchool();
school.setId(obj.getInt("id") + " ");
school.setName(obj.getString("name"));
if (obj.getString("latitude") == "null") {
school.setLatitude(Double.parseDouble("27.6712"));
} else {
school.setLatitude(Double.parseDouble(obj.getString("latitude")));
}
if (obj.getString("longitude") == "null") {
school.setLongitude(Double.parseDouble("85.2865"));
} else {
school.setLongitude(Double.parseDouble(obj.getString("longitude")));
}
al_school.add(school);
} catch (JSONException e) {
e.printStackTrace();
}
}
//iterate from arraylist
for (MySchool schoolItr : al_school) {
View marker = ((LayoutInflater) getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE)).inflate(R.layout.custom_marker, null);
TextView numTxt = (TextView) marker.findViewById(R.id.num_txt);
numTxt.setText(schoolItr.getName());
LatLng latlng = new LatLng(schoolItr.getLatitude(), schoolItr.getLongitude());
googleMap.addMarker(new MarkerOptions().position(latlng).icon(BitmapDescriptorFactory.fromBitmap(createDrawableFromView(getContext(), marker))).title(schoolItr.getName()));
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
VolleyLog.d(TAG, "Error: " + error.getMessage());
hidePDialog();
}
});
// Adding request to request queue
AppController.getInstance().addToRequestQueue(schoolRequest);
}
private void drawCollegeMarker() {
JsonArrayRequest collegeRequest = new JsonArrayRequest(urlCollege,
new Response.Listener<JSONArray>() {
@Override
public void onResponse(JSONArray response) {
hidePDialog();
// Parsing json
for (int i = 0; i < response.length(); i++) {
try {
JSONObject obj = response.getJSONObject(i);
MyCollege college = new MyCollege();
college.setId("" + obj.getInt("id"));
college.setName("" + obj.getString("name"));
//college.setLatitude(Double.parseDouble("" + obj.getDouble("latitude")));
//college.setLongitude(Double.parseDouble("" + obj.getDouble("longitude")));
if (obj.getString("latitude") == "null") {
college.setLatitude(Double.parseDouble("27.6712"));
} else {
college.setLatitude(Double.parseDouble(obj.getString("latitude")));
}
if (obj.getString("longitude") == "null") {
college.setLongitude(Double.parseDouble("27.6712"));
} else {
college.setLongitude(Double.parseDouble(obj.getString("longitude")));
}
al_college.add(college);
} catch (JSONException e) {
e.printStackTrace();
}
}
//iterate from arraylist
for (MyCollege collegeItr : al_college) {
View marker = ((LayoutInflater) getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE)).inflate(R.layout.custom_marker_college, null);
TextView numTxt = (TextView) marker.findViewById(R.id.txt_college);
numTxt.setText(collegeItr.getName());
LatLng latlng = new LatLng(collegeItr.getLatitude(), collegeItr.getLongitude());
googleMap.addMarker(new MarkerOptions().position(latlng).icon(BitmapDescriptorFactory.fromBitmap(createDrawableFromView(getContext(), marker))).title(collegeItr.getName()));
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
VolleyLog.d(TAG, "Error: " + error.getMessage());
hidePDialog();
}
});
// Adding request to request queue
AppController.getInstance().addToRequestQueue(collegeRequest);
}
private void drawUniversityMarker() {
JsonArrayRequest uniRequest = new JsonArrayRequest(urlUniversity,
new Response.Listener<JSONArray>() {
@Override
public void onResponse(JSONArray response) {
hidePDialog();
// Parsing json
for (int i = 0; i < response.length(); i++) {
try {
JSONObject obj = response.getJSONObject(i);
MyUniversity university = new MyUniversity();
university.setId("" + obj.getInt("id"));
university.setName("" + obj.getString("name"));
//university.setLatitude(Double.parseDouble("" + obj.getDouble("latitude")));
//university.setLongitude(Double.parseDouble("" + obj.getDouble("longitude")));
if (obj.getString("latitude") == "null") {
university.setLatitude(Double.parseDouble("27.6712"));
} else {
university.setLatitude(Double.parseDouble(obj.getString("latitude")));
}
if (obj.getString("longitude") == "null") {
university.setLongitude(Double.parseDouble("27.6712"));
} else {
university.setLongitude(Double.parseDouble(obj.getString("longitude")));
}
al_university.add(university);
} catch (JSONException e) {
e.printStackTrace();
}
}
//iterate from arraylist
for (MyUniversity universityItr : al_university) {
View marker = ((LayoutInflater) getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE)).inflate(R.layout.custom_marker_university, null);
TextView numTxt = (TextView) marker.findViewById(R.id.txt_university);
numTxt.setText(universityItr.getName());
LatLng latlng = new LatLng(universityItr.getLatitude(), universityItr.getLongitude());
googleMap.addMarker(new MarkerOptions().position(latlng).icon(BitmapDescriptorFactory.fromBitmap(createDrawableFromView(getContext(), marker))).title(universityItr.getName()));
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
VolleyLog.d(TAG, "Error: " + error.getMessage());
hidePDialog();
}
});
// Adding request to request queue
AppController.getInstance().addToRequestQueue(uniRequest);
}
public static Bitmap createDrawableFromView(Context context, View view) {
DisplayMetrics displayMetrics = new DisplayMetrics();
((Activity) context).getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
view.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT));
view.measure(displayMetrics.widthPixels, displayMetrics.heightPixels);
view.layout(0, 0, displayMetrics.widthPixels, displayMetrics.heightPixels);
view.buildDrawingCache();
Bitmap bitmap = Bitmap.createBitmap(view.getMeasuredWidth(), view.getMeasuredHeight(), Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
view.draw(canvas);
return bitmap;
}
private void showGPSDisabledAlertToUser() {
AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(getActivity());
alertDialogBuilder.setMessage("GPS is disabled in your device. Would you like to enable it?")
.setCancelable(false)
.setPositiveButton("Goto Settings Page To Enable GPS",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
Intent callGPSSettingIntent = new Intent(
android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS);
startActivity(callGPSSettingIntent);
}
});
alertDialogBuilder.setNegativeButton("Cancel",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
dialog.cancel();
}
});
AlertDialog alert = alertDialogBuilder.create();
alert.show();
}
}
Where is the exact issue?? and why the map is not displaying and above SDK 23?? version
