I want to load a map inside a dialog fragment that is loaded from a fragment.
When I do this using an activity, it is working fine, the map is displayed and it is fully functioning. However, when I do this inside a fragment, the map only shows a grey fragment with a google logo on the bottom left.
I have browsed everywhere and almost got a similar answer for checking my google API key. However, the API key is just working fine with the other project. I also tried changing it, but of no help.
Here is my code: map_dialog.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:tools="http://schemas.android.com/tools"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="50dp"
android:background="@color/colorPrimary">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Choose your location"
android:textAlignment="center"
android:padding="10dp"
android:textAppearance="@style/TextAppearance.AppCompat.Headline" />
</RelativeLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="10dp">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:text="Long click the marker pin or click anywhere on map"
android:textAlignment="center"
android:textSize="18dp" />
<ScrollView android:id="@+id/ScrollView01"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="250dp"
android:id="@+id/map"
tools:context=".ngo.NgoHomeActivity"
android:name="com.google.android.gms.maps.SupportMapFragment"
android:layout_marginTop="15dp"/>
<customfonts.MyEditText
android:layout_marginTop="10dp"
android:padding="20dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:textColorHint="#000"
android:textColor="#000"
android:inputType="textMultiLine"
android:textSize="16dp"
android:hint="Address"
android:id="@+id/etAddress"/>
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="16dp"
android:id="@+id/btnSaveAddress"
android:text="SAVE ADDRESS"
android:background="@drawable/angle"
android:textColor="#fff"
android:gravity="center"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:padding="5dp"
android:layout_alignParentBottom="true"
android:layout_marginBottom="20dp"
android:layout_marginTop="10dp"/>
</LinearLayout>
</ScrollView>
</LinearLayout>
</LinearLayout>
MapDialogFragment.java
public class MapDialogFragment extends DialogFragment implements OnMapReadyCallback{
Address address;
StringBuffer addressDetails;
List<Address> addresses;
GoogleMap mMap;
Marker marker;
Location currentLocation;
LatLng latLng;
FusedLocationProviderClient fusedLocationProviderClient;
private static final int REQUEST_CODE = 101;
double latitude, longitude;
String nAddLine2;
View rootView;
EditText edAddress;
Button btnSaveAdd;
@Override
public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
rootView = inflater.inflate(R.layout.fragment_map_dialog,container,false);
edAddress = rootView.findViewById(R.id.etAddress);
btnSaveAdd = rootView.findViewById(R.id.btnSaveAddress);
btnSaveAdd.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
getDialog().dismiss();
}
});
fusedLocationProviderClient = LocationServices.getFusedLocationProviderClient(getContext());
fetchLastLocation();
return rootView;
}
@Override
public void onMapReady(GoogleMap googleMap) {
latLng = new LatLng(currentLocation.getLatitude(),currentLocation.getLongitude());
mMap = googleMap;
CameraPosition newCamPos = new CameraPosition(latLng,
15.5f,
mMap.getCameraPosition().tilt, //use old tilt
mMap.getCameraPosition().bearing); //use old bearing
mMap.animateCamera(CameraUpdateFactory.newCameraPosition(newCamPos), 4000, null);
// mMap.animateCamera(CameraUpdateFactory.newLatLng(latLng));
mMap.animateCamera(CameraUpdateFactory.newLatLngZoom(latLng,10));
Toast.makeText(getContext(), latLng.toString(),Toast.LENGTH_LONG).show();
mMap.setOnMarkerDragListener(new GoogleMap.OnMarkerDragListener() {
@Override
public void onMarkerDragStart(Marker marker) {
}
@Override
public void onMarkerDrag(Marker marker) {
}
@Override
public void onMarkerDragEnd(Marker marker) {
Geocoder geocoder = new Geocoder(getContext(), Locale.getDefault());
try{
latitude = marker.getPosition().latitude;
longitude = marker.getPosition().longitude;
addresses = geocoder.getFromLocation(latitude, longitude, 1);
}catch (Exception IOException) {
IOException.printStackTrace();
Log.d("Error Message:", IOException.getMessage());
Log.e("", "Error in getting address for the location");
Toast.makeText(getContext(), "Couldn't get address",Toast.LENGTH_SHORT).show();
}
if(addresses == null || addresses.size() == 0){
Log.e("","Error in getting address for the location");
}else{
String receivedAddress = getAddress();
showResults(receivedAddress);
mMap.animateCamera(CameraUpdateFactory.newLatLng(marker.getPosition()));
}
}
});
marker = mMap.addMarker(new MarkerOptions()
.position(latLng)
.draggable(true));
}
private void fetchLastLocation() {
if (ActivityCompat.checkSelfPermission(getContext(), Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(getActivity(), new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, REQUEST_CODE);
return;
}
Task<Location> task = fusedLocationProviderClient.getLastLocation();
task.addOnSuccessListener(new OnSuccessListener<Location>() {
@Override
public void onSuccess(Location location) {
if (location != null) {
currentLocation = location;
// Toast.makeText(getContext(), location.toString(),Toast.LENGTH_LONG).show();
SupportMapFragment supportMapFragment = (SupportMapFragment) getFragmentManager().findFragmentById(R.id.map);
supportMapFragment.getMapAsync(MapDialogFragment.this);
}
}
});
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
switch (requestCode){
case REQUEST_CODE:
if(grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED){
fetchLastLocation();
}
}
}
public String getAddress(){
}
private void showResults(String currentAdd) {
}
}
and the button clcik event from fragment that launched the dialog fragment:
edNAddLine.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
new MapDialogFragment().show(getFragmentManager(),null);
}
});
Can anyone help?
Finally resolved the problem on my own. The problem was with the fragment only. Because I tried launching the map inside an activity and it was working just fine.
For anyone who encounters the problem, I changed the following statement:
dialogFragment.show(Objects.requireNonNull(getFragmentManager()),null);
Where the key was: Objects.requireNonNull(getFragmentManager).
I don't know however, what does that do. Answers appreciated.