Android Studio GoogleMaps in Fragment - android

I want to put the map of Google Maps in my sección with marks and my localitation, but when i put this section, this app closes. And It says ERROR MapFragment.java:83 " LatLng sydney = new LatLng(Float.parseFloat("Lat")".
I put my two code's files:
fragment_map.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<com.google.android.gms.maps.MapView
android:id="#+id/mapView"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</RelativeLayout>
MapFragment.java
package com.example.julianrc1.petracecitm;
import android.Manifest;
import android.content.DialogInterface;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.Fragment;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AlertDialog;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapView;
import com.google.android.gms.maps.MapsInitializer;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.model.CameraPosition;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;
import java.util.ArrayList;
/**
* A simple {#link Fragment} subclass.
*/
public class MapFragment extends Fragment {
public MapFragment() {
// Required empty public constructor
}
MapView mMapView;
private GoogleMap googleMap;
ArrayList<LatLng> markerPoints;
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
View rootView = inflater.inflate(R.layout.fragment_map, container, false);
mMapView= (MapView) rootView.findViewById(R.id.mapView);
mMapView.onCreate(savedInstanceState);
mMapView.onResume();
try {
MapsInitializer.initialize(getActivity().getApplicationContext());
} catch (Exception e) {
e.printStackTrace();
}
mMapView.getMapAsync(new OnMapReadyCallback() {
#Override
public void onMapReady(GoogleMap mMap) {
googleMap = mMap;
if (checkLocationPermission()) {
if (ContextCompat.checkSelfPermission(getActivity(),
Manifest.permission.ACCESS_FINE_LOCATION)
== PackageManager.PERMISSION_GRANTED) {
//Request location updates:
googleMap.setMyLocationEnabled(true);
}
}
markerPoints = new ArrayList<LatLng>();
googleMap.getUiSettings().setCompassEnabled(true);
googleMap.getUiSettings().setMyLocationButtonEnabled(true);
googleMap.getUiSettings().setRotateGesturesEnabled(true);
// For dropping a marker at a point on the Map
LatLng sydney = new LatLng(Float.parseFloat("Lat"), Float.parseFloat("Long"));
googleMap.addMarker(new MarkerOptions().position(sydney).
title("Title").snippet("TitleName"));
// For zooming automatically to the location of the marker
CameraPosition cameraPosition = new CameraPosition.Builder().target(sydney).zoom(12).build();
googleMap.animateCamera(CameraUpdateFactory.newCameraPosition
(cameraPosition ));
}
});
return rootView;
}
#Override
public void onResume() {
super.onResume();
mMapView.onResume();
}
#Override
public void onPause() {
super.onPause();
mMapView.onPause();
}
#Override
public void onDestroy() {
super.onDestroy();
mMapView.onDestroy();
}
#Override
public void onLowMemory() {
super.onLowMemory();
mMapView.onLowMemory();
}
public boolean checkLocationPermission() {
if (ContextCompat.checkSelfPermission(getActivity(),
Manifest.permission.ACCESS_FINE_LOCATION)
!= PackageManager.PERMISSION_GRANTED) {
// Should we show an explanation?
if (ActivityCompat.shouldShowRequestPermissionRationale(getActivity(),
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(getActivity())
.setTitle("")
.setMessage("")
.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialogInterface, int i) {
//Prompt the user once explanation has been shown
ActivityCompat.requestPermissions(getActivity(),new String[]
{Manifest.permission.ACCESS_FINE_LOCATION},1);
}
})
.create()
.show();
} else {
// No explanation needed, we can request the permission.
ActivityCompat.requestPermissions(getActivity(),
new String[]{Manifest.permission.ACCESS_FINE_LOCATION},
1);
}
return false;
} else {
return true;
}
}
#Override
public void onRequestPermissionsResult(int requestCode,
String permissions[], int[] grantResults) {
switch (requestCode) {
case 1:
{
// If request is cancelled, the result arrays are empty.
if (grantResults.length > 0
&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
// permission was granted, yay! Do the
// location-related task you need to do.
if (ContextCompat.checkSelfPermission(getActivity(),
Manifest.permission.ACCESS_FINE_LOCATION)
== PackageManager.PERMISSION_GRANTED) {
googleMap.setMyLocationEnabled(true);
}
} else {
}
return;
}
}
}
}
Thank you so much for help me!!!

Replace this
LatLng sydney = new LatLng(Float.parseFloat("Lat")
with
LatLng sydney = new LatLng(33.8688,151.2093)

Related

How do i get my code to give my current location?

I am trying to get my code to zoom in and give me my exact location once I open the map activity, but instead, I get a map showing the map of Africa.
I have written some codes I got from tutorials online, but none has succeeded in giving what I want.
I tried to use this link
Also tried to use this YouTube video
MapActivity.java:
package com.kiki.doctorlocation;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import androidx.fragment.app.FragmentActivity;
import android.Manifest;
import android.content.Context;
import android.content.pm.PackageManager;
import android.location.Address;
import android.location.Criteria;
import android.location.Geocoder;
import android.location.Location;
import android.location.LocationManager;
import android.os.Build;
import android.os.Bundle;
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.model.BitmapDescriptorFactory;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;
import java.io.IOException;
import java.util.List;
import java.util.Locale;
public class MapActivity extends FragmentActivity implements
OnMapReadyCallback, GoogleApiClient.ConnectionCallbacks,
GoogleApiClient.OnConnectionFailedListener, LocationListener {
public static final int MY_PERMISSIONS_REQUEST_LOCATION = 99;
GoogleApiClient mGoogleApiClient;
Location mLastLocation;
Marker mCurrLocationMarker;
LocationRequest mLocationRequest;
private GoogleMap mMap;;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_map);
}
#Override
public void onMapReady(GoogleMap googleMap) {
mMap = googleMap;
mMap.setMapType(GoogleMap.MAP_TYPE_NORMAL);
mMap.getUiSettings().setZoomControlsEnabled(true);
mMap.getUiSettings().setZoomGesturesEnabled(true);
mMap.getUiSettings().setCompassEnabled(true);
//Initialize Google Play Services
if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
if (ContextCompat.checkSelfPermission(this,
Manifest.permission.ACCESS_FINE_LOCATION)
== PackageManager.PERMISSION_GRANTED) {
buildGoogleApiClient();
mMap.setMyLocationEnabled(true);
}
} else {
buildGoogleApiClient();
mMap.setMyLocationEnabled(true);
}
}
private void buildGoogleApiClient() {
mGoogleApiClient = new GoogleApiClient.Builder(this)
.addConnectionCallbacks(this)
.addOnConnectionFailedListener(this)
.addApi(LocationServices.API)
.build();
mGoogleApiClient.connect();
}
#Override
public void onConnected(#Nullable 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(#NonNull ConnectionResult connectionResult) {
}
#Override
public void onLocationChanged(Location location) {
mLastLocation = location;
if (mCurrLocationMarker != null) {
mCurrLocationMarker.remove();
}
//Showing Current Location Marker on Map
LatLng latLng = new LatLng(location.getLatitude(), location.getLongitude());
MarkerOptions markerOptions = new MarkerOptions();
markerOptions.position(latLng);
LocationManager locationManager = (LocationManager)
getSystemService(Context.LOCATION_SERVICE);
String provider = locationManager.getBestProvider(new Criteria(), true);
if (ActivityCompat.checkSelfPermission(this,
Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED &&
ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION)
!= PackageManager.PERMISSION_GRANTED) {
return;
}
Location locations = locationManager.getLastKnownLocation(provider);
List<String> providerList = locationManager.getAllProviders();
if (null != locations && null != providerList && providerList.size() > 0) {
double longitude = locations.getLongitude();
double latitude = locations.getLatitude();
Geocoder geocoder = new Geocoder(getApplicationContext(),
Locale.getDefault());
try {
List<Address> listAddresses = geocoder.getFromLocation(latitude,
longitude, 1);
if (null != listAddresses && listAddresses.size() > 0) {
String state = listAddresses.get(0).getAdminArea();
String country = listAddresses.get(0).getCountryName();
String subLocality = listAddresses.get(0).getSubLocality();
markerOptions.title("" + latLng + "," + subLocality + "," + state
+ "," + country);
}
} catch (IOException e) {
e.printStackTrace();
}
}
markerOptions.icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_BLUE));
mCurrLocationMarker = mMap.addMarker(markerOptions);
mMap.moveCamera(CameraUpdateFactory.newLatLng(latLng));
mMap.animateCamera(CameraUpdateFactory.zoomTo(11));
if (mGoogleApiClient != null) {
LocationServices.FusedLocationApi.removeLocationUpdates(mGoogleApiClient,
this);
}
}
public boolean checkLocationPermission() {
if (ContextCompat.checkSelfPermission(this,
Manifest.permission.ACCESS_FINE_LOCATION)
!= PackageManager.PERMISSION_GRANTED) {
if (ActivityCompat.shouldShowRequestPermissionRationale(this,
Manifest.permission.ACCESS_FINE_LOCATION)) {
ActivityCompat.requestPermissions(this,
new String[]{Manifest.permission.ACCESS_FINE_LOCATION},
MY_PERMISSIONS_REQUEST_LOCATION);
} else {
ActivityCompat.requestPermissions(this,
new String[]{Manifest.permission.ACCESS_FINE_LOCATION},
MY_PERMISSIONS_REQUEST_LOCATION);
}
return false;
} else {
return true;
}
}
#Override
public void onRequestPermissionsResult(int requestCode, #NonNull String[] permissions, #NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
switch (requestCode) {
case MY_PERMISSIONS_REQUEST_LOCATION: {
if (grantResults.length > 0
&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
if (ContextCompat.checkSelfPermission(this,
Manifest.permission.ACCESS_FINE_LOCATION)
== PackageManager.PERMISSION_GRANTED) {
if (mGoogleApiClient == null) {
buildGoogleApiClient();
}
mMap.setMyLocationEnabled(true);
}
} else {
Toast.makeText(this, "permission denied",
Toast.LENGTH_LONG).show();
}
return;
}
}
}
}
I expect when I run my code, my map to zoom in and give my current exact location. The code has no errors, that is why I need help.
I will try and assist. I will assume you have all the requisite libraries in your gradle. Check if you have
implementation 'com.google.android.gms:play-services-maps:16.1.0'
implementation 'com.google.android.gms:play-services-location:16.0.0'
implementation 'com.google.android.libraries.places:places:1.0.0'
Also confirm if you have the following permissions (on top of the others you might have)
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
On newer Android Version, you might need to request the permissions on runtime. You can add the stub on your activity.
public static boolean hasPermissions(Context context, String... permissions) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && context != null && permissions != null) {
for (String permission : permissions) {
if (ActivityCompat.checkSelfPermission(context, permission) != PackageManager.PERMISSION_GRANTED) {
return false;
}
}
}
return true;
}
//Invoking the above function
String[] PERMISSIONS = {Manifest.permission.INTERNET,Manifest.permission.ACCESS_COARSE_LOCATION,
Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.READ_EXTERNAL_STORAGE,
Manifest.permission.CAMERA };
if (!hasPermissions(this, PERMISSIONS)) {
ActivityCompat.requestPermissions(this, PERMISSIONS, 1);
}
Your activity could look like this.
import android.Manifest;
import android.content.pm.PackageManager;
import android.location.Address;
import android.location.Geocoder;
import android.location.Location;
import android.os.Build;
import android.os.Bundle;
import android.os.Looper;
import android.support.annotation.NonNull;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.FragmentActivity;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AutoCompleteTextView;
import android.widget.Button;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GoogleApiAvailability;
import com.google.android.gms.common.api.Status;
import com.google.android.gms.location.FusedLocationProviderClient;
import com.google.android.gms.location.LocationCallback;
import com.google.android.gms.location.LocationRequest;
import com.google.android.gms.location.LocationResult;
import com.google.android.gms.location.LocationServices;
import com.google.android.gms.maps.CameraUpdate;
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.CameraPosition;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.libraries.places.api.Places;
import com.google.android.libraries.places.api.model.Place;
import com.google.android.libraries.places.api.model.TypeFilter;
import com.google.android.libraries.places.widget.AutocompleteSupportFragment;
import com.google.android.libraries.places.widget.listener.PlaceSelectionListener;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.Locale;
public class SetPickUpLocation extends FragmentActivity implements OnMapReadyCallback {
SupportMapFragment mapFragment;
private GoogleMap mMap;
private GoogleMap.OnCameraIdleListener onCameraIdleListener;
private TextView resutText;
private FusedLocationProviderClient fusedLocationProviderClient;
private static final int MY_PERMISSIONS_REQUEST_ACCESS_FINE_LOCATION = 5445;
private Location currentLocation;
public static String latitude = null, longitude = null, location = null, area = null;
private boolean firstTimeFlag = true;
Button setLocation;
View mapView;
AutocompleteSupportFragment autocompleteFragment;
String TAG = "Google_Places";
int AUTOCOMPLETE_REQUEST_CODE = 1;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.set_pickup_location);
resutText = (TextView) findViewById(R.id.dragg_result);
setLocation = (Button) findViewById(R.id.setLocation);
autocompleteFragment = (AutocompleteSupportFragment)
getSupportFragmentManager().findFragmentById(R.id.autocomplete_fragment);
mapFragment = (SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map);
mapFragment.getMapAsync(this);
mapView = mapFragment.getView();
Toast.makeText(SetPickUpLocation.this, ConstantValues.DRAG_MAP_MARKER, Toast.LENGTH_SHORT).show();
configureCameraIdle();
Places.initialize(getApplicationContext(), ConstantValues.GOOGLE_API_KEY);
setLocation.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
if (latitude != null && longitude != null) {
//you can put your logic here
}else{
//you can put your logic here
}
}
});
autocompleteFragment.setPlaceFields(Arrays.asList(Place.Field.ID, Place.Field.NAME , Place.Field.LAT_LNG));
//autocompleteFragment.setTypeFilter(TypeFilter.REGIONS);
autocompleteFragment.setCountry("KE");
autocompleteFragment.setOnPlaceSelectedListener(new PlaceSelectionListener() {
#Override
public void onPlaceSelected(Place place) {
// TODO: Get info about the selected place.
//Log.d(TAG , place.getName() + ", " + place.getId());
if(mMap != null){
CameraUpdate cameraUpdate = CameraUpdateFactory.newLatLngZoom(place.getLatLng(), 16);
mMap.animateCamera(cameraUpdate);
autocompleteFragment.setText("");
}
//
//mMap.mo
}
#Override
public void onError(Status status) {
// TODO: Handle the error.
Log.d(TAG , "An error occurred: " + status);
}
});
}
#Override
protected void onStop() {
super.onStop();
if (fusedLocationProviderClient != null)
fusedLocationProviderClient.removeLocationUpdates(mLocationCallback);
}
#Override
protected void onResume() {
super.onResume();
if (isGooglePlayServicesAvailable()) {
fusedLocationProviderClient = LocationServices.getFusedLocationProviderClient(this);
startCurrentLocationUpdates();
}
}
#Override
protected void onDestroy() {
super.onDestroy();
fusedLocationProviderClient = null;
mMap = null;
}
private void configureCameraIdle() {
onCameraIdleListener = new GoogleMap.OnCameraIdleListener() {
#Override
public void onCameraIdle() {
LatLng latLng = mMap.getCameraPosition().target;
Geocoder geocoder = new Geocoder(SetPickUpLocation.this);
try {
List<Address> addressList = geocoder.getFromLocation(latLng.latitude, latLng.longitude, 1);
if (addressList != null && addressList.size() > 0) {
String locality = addressList.get(0).getAddressLine(0);
String country = addressList.get(0).getCountryName();
latitude = Double.toString(latLng.latitude);
longitude = Double.toString(latLng.longitude);
if (!locality.isEmpty() && !country.isEmpty()) {
resutText.setText(locality);
location = locality;
try{
String city = addressList.get(0).getAdminArea();
if(!city.isEmpty()){
area = city;
}
}catch (Exception e){
}
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
};
}
#Override
public void onMapReady(GoogleMap googleMap) {
mMap = googleMap;
mMap.setOnCameraIdleListener(onCameraIdleListener);
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;
}
mMap.setMyLocationEnabled(true);
if (mapView != null &&
mapView.findViewById(Integer.parseInt("1")) != null) {
// Get the button view
View locationButton = ((View) mapView.findViewById(Integer.parseInt("1")).getParent()).findViewById(Integer.parseInt("2"));
// and next place it, on bottom right (as Google Maps app)
RelativeLayout.LayoutParams layoutParams = (RelativeLayout.LayoutParams)
locationButton.getLayoutParams();
// position on right bottom
layoutParams.addRule(RelativeLayout.ALIGN_PARENT_TOP, 0);
layoutParams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM, RelativeLayout.TRUE);
layoutParams.setMargins(0, 0, 100, 330);
}
}
private final LocationCallback mLocationCallback = new LocationCallback() {
#Override
public void onLocationResult(LocationResult locationResult) {
super.onLocationResult(locationResult);
if (locationResult.getLastLocation() == null)
return;
currentLocation = locationResult.getLastLocation();
if (firstTimeFlag && mMap != null) {
animateCamera(currentLocation);
firstTimeFlag = false;
}
//showMarker(currentLocation);
}
};
private void startCurrentLocationUpdates() {
LocationRequest locationRequest = LocationRequest.create();
locationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
locationRequest.setInterval(3000);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(SetPickUpLocation.this,
new String[]{Manifest.permission.ACCESS_FINE_LOCATION},
MY_PERMISSIONS_REQUEST_ACCESS_FINE_LOCATION);
return;
}
}
fusedLocationProviderClient.requestLocationUpdates(locationRequest, mLocationCallback, Looper.myLooper());
}
private boolean isGooglePlayServicesAvailable() {
GoogleApiAvailability googleApiAvailability = GoogleApiAvailability.getInstance();
int status = googleApiAvailability.isGooglePlayServicesAvailable(this);
if (ConnectionResult.SUCCESS == status)
return true;
else {
if (googleApiAvailability.isUserResolvableError(status))
Toast.makeText(this, "Please Install google play services to use this application", Toast.LENGTH_LONG).show();
}
return false;
}
#Override
public void onRequestPermissionsResult(int requestCode, #NonNull String[] permissions, #NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == MY_PERMISSIONS_REQUEST_ACCESS_FINE_LOCATION) {
if (grantResults[0] == PackageManager.PERMISSION_DENIED)
Toast.makeText(this, "Permission denied by uses", Toast.LENGTH_SHORT).show();
else if (grantResults[0] == PackageManager.PERMISSION_GRANTED)
startCurrentLocationUpdates();
}
}
private void animateCamera(#NonNull Location location) {
LatLng latLng = new LatLng(location.getLatitude(), location.getLongitude());
mMap.animateCamera(CameraUpdateFactory.newCameraPosition(getCameraPositionWithBearing(latLng)));
}
#NonNull
private CameraPosition getCameraPositionWithBearing(LatLng latLng) {
return new CameraPosition.Builder().target(latLng).zoom(16).build();
}
}
The XML Layout (you can use your own ViewGroups)
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:name="com.google.android.gms.maps.SupportMapFragment"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".orders.SetPickUpLocation">
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/map"
android:name="com.google.android.gms.maps.SupportMapFragment"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<android.support.v7.widget.CardView
android:id="#+id/idCardView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
app:cardCornerRadius="4dp">
<fragment
android:id="#+id/autocomplete_fragment"
android:name="com.google.android.libraries.places.widget.AutocompleteSupportFragment"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</android.support.v7.widget.CardView>
<ImageView
android:layout_width="36dp"
android:layout_height="36dp"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:src="#drawable/ic_google_map_marker"
android:text="TextView" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:background="#ffffff"
android:orientation="vertical"
android:paddingLeft="#dimen/activity_horizontal_margin"
android:paddingRight="#dimen/activity_horizontal_margin">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:paddingTop="#dimen/activity_horizontal_margin"
android:paddingBottom="#dimen/activity_horizontal_margin"
android:weightSum="3">
<ImageView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.2"
android:gravity="center_vertical"
android:src="#drawable/ic_google_map_marker" />
<TextView
android:id="#+id/dragg_result"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:layout_weight="2.8"
android:fontFamily="#font/museo"
android:gravity="left"
android:paddingLeft="3dp"
android:text="Select this location"
android:textColor="#000"
android:textSize="18dp" />
</LinearLayout>
<Button
android:id="#+id/setLocation"
style="?android:attr/borderlessButtonStyle"
android:layout_width="match_parent"
android:layout_height="65dp"
android:layout_marginBottom="#dimen/activity_horizontal_margin"
android:fontFamily="#font/museo"
android:text="Select this location"
android:textColor="#ffffff"
android:textSize="18sp"
android:textStyle="bold" />
</LinearLayout>
</RelativeLayout>
I hope this helps and also use your own icons/drawables as I have not included them here.
So the previous answer didn't work for me so i decide to sort another way out and this is the the code that is working for me
MapActivity.java
import android.app.Dialog;
import android.content.pm.PackageManager;
import android.location.Address;
imsport android.location.Geocoder;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GoogleApiAvailability;
import com.google.android.gms.maps.CameraUpdate;
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.BitmapDescriptorFactory;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;
import java.io.IOException;
import java.util.List;
public class MapActivity extends AppCompatActivity implements OnMapReadyCallback {
private GoogleMap mMap;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (GSA()) {
Toast.makeText(this, "Services perfect", Toast.LENGTH_SHORT).show();
setContentView(R.layout.activity_map);
initMap();
} else {
}
}
private void initMap() {
SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map);
mapFragment.getMapAsync((OnMapReadyCallback) this);
}
public boolean GSA() {
GoogleApiAvailability googleApiAvailability = GoogleApiAvailability.getInstance();
int isAvailable = googleApiAvailability.isGooglePlayServicesAvailable(this);
if (isAvailable == ConnectionResult.SUCCESS)
return true;
else if (googleApiAvailability.isUserResolvableError(isAvailable)) {
Dialog dialog = googleApiAvailability.getErrorDialog(this, isAvailable, 0);
dialog.show();
} else {
Toast.makeText(this, "Can't connect to Google services", Toast.LENGTH_SHORT).show();
}
return false;
}
#Override
public void onMapReady(GoogleMap googleMap) {
mMap = googleMap;
// gotoLocationzoom(-1.276680, 36.904785, 15);
if (ActivityCompat.checkSelfPermission(this,android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this,android.Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
// TODO: Consider calling
// Activity#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 Activity#requestPermissions for more details.
return;
}
mMap.setMyLocationEnabled(true);
// LatLng sydney = new LatLng(-1.276680, 36.904785);
// googleMap.addMarker(new MarkerOptions().position(sydney)
// .title("Marker in white hse"));
// googleMap.moveCamera(CameraUpdateFactory.newLatLng(sydney));
}
private void gotoLocationzoom (double lat, double lng, float zoom){
LatLng latLng = new LatLng(lat,lng);
CameraUpdate cameraUpdate = CameraUpdateFactory.newLatLngZoom(latLng,zoom);
mMap.animateCamera(cameraUpdate);
}
public void search(View view) throws IOException {
EditText et = (EditText) findViewById(R.id.editText);
String location = et.getText().toString();
Geocoder geocoder = new Geocoder(this);
List<Address> list = geocoder.getFromLocationName(location,1);
Address address = list.get(0);
String locality = address.getLocality();
Toast.makeText(this, locality, Toast.LENGTH_SHORT).show();
double lat = address.getLatitude();
double lng = address.getLongitude();
gotoLocationzoom(lat,lng,15);
LatLng latLng = new LatLng(lat,lng);
mMap.addMarker(new MarkerOptions().position(latLng).title(location).icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_CYAN)));
}
}
activity_map.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MapActivity">
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/map"
android:name="com.google.android.gms.maps.SupportMapFragment"
android:layout_width="match_parent"
android:layout_height="500dp"
android:layout_alignParentBottom="true"
android:layout_marginBottom="0dp"
tools:context="com.example.mapwithmarker.MapsMarkerActivity" />
<EditText
android:id="#+id/editText"
android:layout_width="291dp"
android:layout_height="59dp"
android:layout_alignParentEnd="true"
android:layout_alignParentRight="true"
android:layout_marginEnd="115dp"
android:layout_marginRight="115dp"
android:ems="10"
android:hint="Enter your destination"
android:inputType="textPersonName" />
<Button
android:id="#+id/button"
android:layout_width="100dp"
android:layout_height="59dp"
android:layout_alignParentEnd="true"
android:layout_alignParentRight="true"
android:layout_marginEnd="17dp"
android:layout_marginRight="17dp"
android:onClick="search"
android:text="search" />
</RelativeLayout>
permissions i added to my AndroidManifest.xml
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.WRITE.EXTERNAL.STORAGE"/>
<uses-permission android:name="com.google.androidproviders.gsf.permissions.READ.GSERVICES"/>
<uses-permission android:name="com.kiki.doctorlocation.permission.MAPS.RECEIVE"/>
<uses-feature android:glEsVersion="0x00020000" android:required="true"/>
<permission android:name="com.kiki.doctorlocation.permission.MAPS.RECEIVE" android:protectionLevel="signature"/>
This is the code that worked for me...Thanks for the insights though

Android Studio Log.d doesn't work in Fragment of Google Maps

I have this code, a Fragment in Navigation drawer which makes a map with google maps API and also makes marks, and the log.d doesn't show in the Logcat box of the Android Studio, if somebody can help me so that I can do tests, thanks!!!
(I wrote this code because I want to create markers of Google Maps from FireBaseDatabase).
import android.Manifest;
import android.content.DialogInterface;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.Fragment;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapView;
import com.google.android.gms.maps.MapsInitializer;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.model.CameraPosition;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;
import java.util.ArrayList;
public class MapFragment extends Fragment {
private FirebaseAuth.AuthStateListener mAuthListener;
private FirebaseAuth mAuth = FirebaseAuth.getInstance();
DatabaseReference rootRef = FirebaseDatabase.getInstance().getReference();
DatabaseReference perdidosUbiRef = rootRef.child("Perdidos").child("Ubicación");
public MapFragment() {
}
MapView mMapView;
private GoogleMap googleMap;
ArrayList<LatLng> markerPoints;
#Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
//PON TITULO BAR
((AppCompatActivity) getActivity()).getSupportActionBar().setTitle("Mapa");
View rootView = inflater.inflate(R.layout.fragment_perdidosmap, container, false);
mMapView= (MapView) rootView.findViewById(R.id.mapView);
mMapView.onCreate(savedInstanceState);
mMapView.onResume();
try {
MapsInitializer.initialize(getActivity().getApplicationContext());
} catch (Exception e) {
e.printStackTrace();
}
mMapView.getMapAsync(new OnMapReadyCallback() {
#Override
public void onMapReady(GoogleMap mMap) {
googleMap = mMap;
if (checkLocationPermission()) {
if (ContextCompat.checkSelfPermission(getActivity(),
Manifest.permission.ACCESS_FINE_LOCATION)
== PackageManager.PERMISSION_GRANTED) {
//Request location updates:
googleMap.setMyLocationEnabled(true);
}
}
markerPoints = new ArrayList<LatLng>();
googleMap.getUiSettings().setCompassEnabled(true);
googleMap.getUiSettings().setMyLocationButtonEnabled(true);
googleMap.getUiSettings().setRotateGesturesEnabled(true);
//PROVA BASE DADES
ValueEventListener eventListener = new ValueEventListener() {
#Override
public void onDataChange(DataSnapshot dataSnapshot) {
for(DataSnapshot ds : dataSnapshot.getChildren()) {
Float Lat = ds.child("Lat").getValue(Float.class);
Float Long = ds.child("Long").getValue(Float.class);
Log.d("ValuesofLat", "HELLOOO");
}
}
#Override
public void onCancelled(DatabaseError databaseError) {
}
};
perdidosUbiRef.addListenerForSingleValueEvent(eventListener);
// For dropping a marker at a point on the Map
LatLng Barcelona = new LatLng(Float.parseFloat(String.valueOf(41.3818)), Float.parseFloat(String.valueOf(2.1685)));
googleMap.addMarker(new MarkerOptions().position(Barcelona).
title("Tetsuo").snippet("Es perro macarra"));
// For zooming automatically to the location of the marker
CameraPosition cameraPosition = new CameraPosition.Builder().target(Barcelona).zoom(12).build();
googleMap.animateCamera(CameraUpdateFactory.newCameraPosition
(cameraPosition ));
}
});
return rootView;
}
#Override
public void onResume() {
super.onResume();
mMapView.onResume();
}
#Override
public void onPause() {
super.onPause();
mMapView.onPause();
}
#Override
public void onDestroy() {
super.onDestroy();
mMapView.onDestroy();
}
#Override
public void onLowMemory() {
super.onLowMemory();
mMapView.onLowMemory();
}
public boolean checkLocationPermission() {
if (ContextCompat.checkSelfPermission(getActivity(),
Manifest.permission.ACCESS_FINE_LOCATION)
!= PackageManager.PERMISSION_GRANTED) {
// Should we show an explanation?
if (ActivityCompat.shouldShowRequestPermissionRationale(getActivity(),
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(getActivity())
.setTitle("")
.setMessage("")
.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
#Override
public void onClick(DialogInterface dialogInterface, int i) {
//Prompt the user once explanation has been shown
ActivityCompat.requestPermissions(getActivity(),new String[]
{Manifest.permission.ACCESS_FINE_LOCATION},1);
}
})
.create()
.show();
} else {
// No explanation needed, we can request the permission.
ActivityCompat.requestPermissions(getActivity(),
new String[]{Manifest.permission.ACCESS_FINE_LOCATION},
1);
}
return false;
} else {
return true;
}
}
#Override
public void onRequestPermissionsResult(int requestCode,
String permissions[], int[] grantResults) {
switch (requestCode) {
case 1:
{
// If request is cancelled, the result arrays are empty.
if (grantResults.length > 0
&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
// permission was granted, yay! Do the
// location-related task you need to do.
if (ContextCompat.checkSelfPermission(getActivity(),
Manifest.permission.ACCESS_FINE_LOCATION)
== PackageManager.PERMISSION_GRANTED) {
googleMap.setMyLocationEnabled(true);
}
} else {
}
return;
}
}
}
}
Log.d is in this part of code:
ValueEventListener eventListener = new ValueEventListener() {
#Override
public void onDataChange(DataSnapshot dataSnapshot) {
for(DataSnapshot ds : dataSnapshot.getChildren()) {
Float Lat = ds.child("Lat").getValue(Float.class);
Float Long = ds.child("Long").getValue(Float.class);
Log.d("ValuesofLat", "HELLOOO");
}
}
My Logcat's box
image
You need to remove ValuesofLat from Search bar in your logcat and it will work fine
Just clear search bar from logcat's it will work fine
Check below image
clear search bar like below image and it will work fine

map is not displayed (blank)

I use the following code to display Google map on my Android app (taken from here).
MapActivity.java
import android.content.DialogInterface;
import android.content.pm.PackageManager;
import android.location.Location;
import android.os.Build;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.Toast;
import android.Manifest;
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.MapView;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.BitmapDescriptorFactory;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;
import static android.content.pm.PackageManager.PERMISSION_GRANTED;
public class MapActivity extends AppCompatActivity
implements OnMapReadyCallback,
GoogleApiClient.ConnectionCallbacks,
GoogleApiClient.OnConnectionFailedListener,
LocationListener {
GoogleMap mGoogleMap;
SupportMapFragment mapFrag;
LocationRequest mLocationRequest;
GoogleApiClient mGoogleApiClient;
Location mLastLocation;
Marker mCurrLocationMarker;
MapView mv;
#Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_map);
getSupportActionBar().setTitle("Map Location Activity");
// uncomment this and code will crash. still not sure why? :(
//mapFrag = (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map);
// mapFrag.getMapAsync(this);
mv = (MapView) findViewById(R.id.map);
mv.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 >= 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(MapActivity.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 > 0
&& 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_map.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="app.devbyzero.net.pascasarjanatrisakti.MapActivity">
<com.google.android.gms.maps.MapView
android:id="#+id/map"
android:name="com.google.android.gms.maps.SupportMapFragment"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:visibility="visible" />
</android.support.constraint.ConstraintLayout>
In the AndroidManifest.xml, I've added these part:
<meta-data
android:name="com.google.android.geo.API_KEY"
android:value="#string/google_maps_key" />
And of course in strings.xml, I have something like this:
<string name="google_maps_key" templateMergeStrategy="preserve" translatable="false">xxxxxxxxxxxxxxxxxxxxxx</string>
When the app is run, there is not map drawn at all. Blank. I tried to debug the code a few times, and couldn't find any significant line in logcat (maybe I missed that). What could be possibly wrong here?
The first issue I see with your code is you need to call the mv.onCreate(this) before calling mv.getMapAsync().
I am looking into your code further to see if there are any other issues.
Lifecycle of a MapView https://developers.google.com/android/reference/com/google/android/gms/maps/MapView
Also the only time you call mGoogleMap.moveCamerais in onLocationChanged can you try setting an initial location in onMapReady and see if the map shows up. Something like this

I need AppCompatActivity but the MapTabActivity extends already SupportMapFragment

I'm getting errors for not extending AppCompatActivity.
How do I solve this?
I've market with HERE the places the errors are found
Can I replace the "this" with something else?
I have seen that you can make your own toolbar , would that work?
MapTabActivity.java
package com.example.game1;
import android.content.Context;
import android.content.DialogInterface;
import android.content.pm.PackageManager;
import android.location.Criteria;
import android.location.Location;
import android.location.LocationManager;
import android.os.Build;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
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;
public class MapTabActivity extends SupportMapFragment
implements OnMapReadyCallback,
GoogleApiClient.ConnectionCallbacks,
GoogleApiClient.OnConnectionFailedListener,
LocationListener {
AppCompatActivity appCompatActivity;
GoogleMap mGoogleMap;
SupportMapFragment mapFrag;
LocationRequest mLocationRequest;
GoogleApiClient mGoogleApiClient;
Location mLastLocation;
Marker mCurrLocationMarker;
int Latitute;
int Longitute;
LatLng latLon;
public View onCreateView(LayoutInflater inflater, #Nullable ViewGroup container,
#Nullable Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.activity_map, container, false);
return rootView;
}
#Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mapFrag = ((SupportMapFragment) getChildFragmentManager().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 >= Build.VERSION_CODES.M) {
if (ContextCompat.checkSelfPermission(this, **HERE**
android.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);
}
//zoom map camera
// Get LocationManager object
LocationManager locationManager = (LocationManager) getSystemService **<-HERE** (Context.LOCATION_SERVICE);
// Create a criteria object to retrieve provider
Criteria criteria = new Criteria();
// Get the name of the best provider
String provider = locationManager.getBestProvider(criteria, true);
// Get Current Location
Location myLocation = locationManager.getLastKnownLocation(provider);
//latitude of location
double myLatitude = myLocation.getLatitude();
//longitude og location
double myLongitude = myLocation.getLongitude();
LatLng latLon = new LatLng(myLatitude, myLongitude);
mGoogleMap.moveCamera(CameraUpdateFactory.newLatLngZoom(latLon,17));
}
protected synchronized void buildGoogleApiClient() {
mGoogleApiClient = new GoogleApiClient.Builder(this) **HERE**
.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,**HERE**
android.Manifest.permission.ACCESS_FINE_LOCATION)
== PackageManager.PERMISSION_GRANTED) {
LocationServices.FusedLocationApi.requestLocationUpdates(mGoogleApiClient, mLocationRequest, this);
}
}
#Override
public void onLocationChanged(Location location)
{
// Elegxos gia to an eftases se marker
//liga dekadika
}
public static final int MY_PERMISSIONS_REQUEST_LOCATION = 99;
private void checkLocationPermission() {
if (ContextCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_FINE_LOCATION)**HERE**
!= PackageManager.PERMISSION_GRANTED) {
// Should we show an explanation?
if (ActivityCompat.shouldShowRequestPermissionRationale(this,**HERE**
android.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(MapTabActivity.this,**HERE**
new String[]{android.Manifest.permission.ACCESS_FINE_LOCATION},
MY_PERMISSIONS_REQUEST_LOCATION );
}
})
.create()
.show();
} else {
// No explanation needed, we can request the permission.
ActivityCompat.requestPermissions(this,**HERE**
new String[]{android.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 > 0
&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
// permission was granted, yay! Do the
// location-related task you need to do.
if (ContextCompat.checkSelfPermission(this,**HERE**
android.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();**HERE**
}
return;
}
// other 'case' lines to check for other
// permissions this app might request
}
}
#Override
public void onConnectionSuspended(int i) {
}
#Override
public void onConnectionFailed(#NonNull ConnectionResult connectionResult) {
}
}
you can see the errors in this picure
You are using SupportMapFragment, so try with
getActivity() or getContext ().
getActivity()- Return the Activity this fragment is currently associated with.
getContext () Returns the context the view is running in, through which it can access the current theme, resources, etc.
Example
Toast.makeText(getContext(), "permission denied", Toast.LENGTH_LONG).show();

Re-Transition when I click on button (e.g./i.e. Like Intent from current Activity to self Activity)

Basically I am working on Google Map in which I have Google Map Activity and user click on any place of Google Map I was adding marker on this click and I have one button on this button click I take this marker position and put it to my Firebase Database.My complete code was working, but the problem is that when I click on the button which takes marker latlang to Firebase, my latlang value successfully update and my map Activity is re-transited (e.g./i.e. like Intent from current Activity to self Activity) that for my map was reloaded and I lose marker on screen.
Here is my Java code:
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.content.pm.PackageManager;
import android.location.Location;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
import com.firebase.client.Firebase;
import com.google.android.gms.common.api.GoogleApiClient;
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 PickUpActivity extends AppCompatActivity implements OnMapReadyCallback, GoogleApiClient.ConnectionCallbacks, View.OnClickListener, GoogleMap.OnMapClickListener {
private static final int PERMISSION_REQUEST_CODE = 1;
public double marker_latitude;
public double marker_longitude;
private GoogleMap mMap;
private GoogleApiClient googleApiClient;
private Marker marker;
private double latitude;
private double longitude;
private Button btn;
private Bus bus;
private Firebase ref;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_pick_up);
Firebase.setAndroidContext(this);
btn = (Button) findViewById(R.id.btn_pick);
ref = new Firebase(Config.FIREBASE_URL);
bus = new Bus();
SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map);
mapFragment.getMapAsync(this);
mMap = mapFragment.getMap();
googleApiClient = new GoogleApiClient.Builder(this)
.addConnectionCallbacks(this)
.addApi(LocationServices.API)
.build();
btn.setOnClickListener(this);
mMap.setOnMapClickListener(this);
}
#Override
public void onMapReady(GoogleMap googleMap) {
mMap = googleMap;
}
#Override
public void onConnected(#Nullable Bundle bundle) {
getCurrentLocation();
}
#Override
public void onConnectionSuspended(int i) {
}
#Override
protected void onStart() {
googleApiClient.connect();
super.onStart();
}
#Override
protected void onStop() {
googleApiClient.disconnect();
super.onStop();
}
private void getCurrentLocation() {
if (!checkPermission()) {
requestPermission();
}
Location location = LocationServices.FusedLocationApi.getLastLocation(googleApiClient);
if (location != null) {
longitude = location.getLongitude();
latitude = location.getLatitude();
moveMap();
}
}
private void moveMap() {
LatLng latLng = new LatLng(latitude, longitude);
mMap.moveCamera(CameraUpdateFactory.newLatLng(latLng));
mMap.animateCamera(CameraUpdateFactory.zoomTo(15));
}
private boolean checkPermission() {
int result = ContextCompat.checkSelfPermission(PickUpActivity.this, android.Manifest.permission.ACCESS_FINE_LOCATION);
if (result == PackageManager.PERMISSION_GRANTED) {
return true;
} else {
return false;
}
}
private void requestPermission() {
if (ActivityCompat.shouldShowRequestPermissionRationale(PickUpActivity.this, android.Manifest.permission.ACCESS_FINE_LOCATION)) {
Toast.makeText(PickUpActivity.this, "GPS permission allows us to access location data. Please allow in App Settings for additional functionality.", Toast.LENGTH_LONG).show();
} else {
ActivityCompat.requestPermissions(PickUpActivity.this, new String[]{android.Manifest.permission.ACCESS_FINE_LOCATION}, PERMISSION_REQUEST_CODE);
}
}
#Override
public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
switch (requestCode) {
case PERMISSION_REQUEST_CODE:
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
getCurrentLocation();
} else {
}
break;
}
}
#Override
public void onClick(View v) {
if (v == btn) {
if (marker == null) {
Toast.makeText(PickUpActivity.this, "Please Select Any Place", Toast.LENGTH_SHORT).show();
} else {
bus.setlatitude(marker_latitude);
bus.setlongitude(marker_longitude);
ref.child("school1").child("bus1").child("parents").child("parent01").child("pickuppoint").setValue(bus);
Toast.makeText(PickUpActivity.this, "Pick Up Point Set", Toast.LENGTH_SHORT).show();
}
}
}
#Override
public void onMapClick(LatLng latLng) {
mMap.clear();
marker = mMap.addMarker(new MarkerOptions()
.position(latLng) //setting position
.draggable(true) //Making the marker draggable
.title("" + latLng));
marker_latitude = latLng.latitude;
marker_longitude = latLng.longitude;
}
}
During analysis I found problem in below code:
bus.setlatitude(marker_latitude);
bus.setlongitude(marker_longitude);
ref.child("school1").child("bus1").child("parents").child("parent01").child("pickuppoint").setValue(bus);
If I put some static value on bus.setlatitude() and bus.setlongitude no re-transition occur. I don't know what I am doing wrong and what is solution for this problem.
if your user click on your Map the map will be cleared: mMap.clear();
#Override
public void onMapClick(LatLng latLng) {
mMap.addMarker(new MarkerOptions()
.position(latLng) //setting position
.draggable(true) //Making the marker draggable
.title(""+latLng));
marker_latitude = latLng.latitude;
marker_longitude= latLng.longitude;
}

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