java - Cannot resolve method getMap()

Question

I am trying to get a map fragment working within my application and I continue to get an error when trying to get my GoogleMap object.

FragmentWithMap.java

import android.Manifest;
import android.app.Activity;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

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.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;



public class FragmentWithMap extends android.support.v4.app.Fragment {
    private OnFragmentInteractionListener mListener;
    private static final double LAT = 32.084;
    private static final double LON = 34.8878;
    Place place;
    private GoogleMap mMap;
    private View view;
    private Marker marker;
    int userIcon = FragmentWithDetails.userIcon;

    public static FragmentWithMap newInstance(Place place) {
        Bundle args = new Bundle();
        if (place != null) {
            args.putInt("id", place.getId());
            args.putString("name", place.getName());
            args.putString("address", place.getAddress());
            args.putFloat("lat", place.getLat());
            args.putFloat("lng", place.getLng());
        }
        FragmentWithMap fragment = new FragmentWithMap();
        fragment.setArguments(args);
        return fragment;
    }

    public FragmentWithMap() {
        //empty public constructor
    }


    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null && getArguments().getString("name") != null) {
            place = new Place(getArguments().getInt("id"), getArguments().getString("name"),
                    getArguments().getString("address"), getArguments().getFloat("lat"),
                    getArguments().getFloat("lng"));
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        if (view == null) {
            view = inflater.inflate(R.layout.fragment_fragment_with_map, container, false);
        }
        setUpMapIfNeeded();
        return view;
    }

    @Override
    public void onDestroyView() {
        super.onDestroyView();
        android.support.v4.app.Fragment f = getFragmentManager()
                .findFragmentById(R.id.fragmnet_container_map);
        if (f != null) {
            try {
                getFragmentManager().beginTransaction().remove(f).commit();
            } catch (IllegalStateException ise) {
                Log.d("FragmentWithMap", "Already closed");
            }
        }

        ViewGroup parentViewGroup = (ViewGroup) view.getParent();
        if (parentViewGroup != null) {
            parentViewGroup.removeAllViews();
        }
    }

    public void onButtonPressed(Uri uri) {
        if (mListener != null) {
            mListener.onFragmentInteraction(uri);
        }
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        try {
            mListener = (OnFragmentInteractionListener) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException(activity.toString()
                    + " must implement OnFragmentInteractionListener");
        }
    }

    @Override
    public void onDetach() {
        super.onDetach();
        mListener = null;
    }

    public void showPlace(Place place) {
        setPlace(place);
        setUpMap();
    }

    public void setPlace(Place place) {
        this.place = place;
    }


    public interface OnFragmentInteractionListener {
        public void onFragmentInteraction(Uri uri);
    }

    private void setUpMapIfNeeded() {
        // Do a null check
        if (mMap == null) {
            // Try to obtain the map from the SupportMapFragment.


            Fragment mmm = getChildFragmentManager().findFragmentById(R.id.fragment_map2);
            mMap = ((SupportMapFragment) mmm).getMap();

            // Check if we were successful
            if (mMap != null) {
                setUpMap();
            }
        }
    }

    private void setUpMap() {
        double lat = LAT;
        double lng = LON;
        String name = "You are here";
        if (place != null) {
            lat = place.getLat();
            lng = place.getLng();
            name = place.getName();
        }
        if (marker != null) {
            marker.remove();
        }
        LatLng position = new LatLng(lat, lng);
        MarkerOptions markerOptions = new MarkerOptions().
                position(position).
                title(name).
                icon(BitmapDescriptorFactory.fromResource(userIcon)).
                snippet("Your last recorded location");

        marker = mMap.addMarker(markerOptions);
        if (ActivityCompat.checkSelfPermission(getContext(), Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(getContext(), Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            return;
        }
        mMap.setMyLocationEnabled(true);
        CameraUpdate cameraUpdate = CameraUpdateFactory.newLatLngZoom(position, 15);
        mMap.animateCamera(cameraUpdate);
    }

}

And here's the XML

fragment_with_map.xml

<fragment xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/fragment_map2"
    tools:context="com.example.eldad.myplacesapp.FragmentWithMap"
    android:name="com.google.android.gms.maps.SupportMapFragment"
    />

I copied the code from a different app, where the method getMap() is merely deprecated, so I doubt the problem is in the code itself. I have no issue with it being deprecated, and I prefer not to use the getMapAsync() if I don't have to. But here for some reason I recieve the error

"Cannot resolve method 'getMap()'"

. I also recieve an error

"Error:Execution failed for task ':app:compileDebugJavaWithJavac'.

Compilation failed; see the compiler error output for details."

Though I can't be sure if it's connected to this issue.

Answer 1

The getMap() method was previously deprecated, and now it's been removed. If you look at the documentation for SupportMapFragment, it's not there.

You can also see in the release notes:

The previously-deprecated getMap() function is no longer available in the Google Play services SDK. (It is still available in the Google Play services APK that is delivered to Android devices.) The getMap() function has been deprecated since December 2014. See the release blog post for help with converting from getMap() to getMapAsync().

And from the blog post:

In December 2014 we deprecated getMap() in favor of getMapAsync(). From this release onwards, you'll need to use getMapAsync() in order to compile your apps.

So, just use getMapAsync(), it's simple.

First have your Fragment implement the OnMapReadyCallback interface:

public class FragmentWithMap extends android.support.v4.app.Fragment
          implements OnMapReadyCallback { 

Then, modify your setUpMapIfNeeded() code, and add the onMapReady() callback:

private void setUpMapIfNeeded() {
  if (mMap == null) {
    SupportMapFragment mapFrag = (SupportMapFragment) getChildFragmentManager().findFragmentById(R.id.fragment_map2);
    mapFrag.getMapAsync(this);
  }
}

@Override
public void onMapReady(GoogleMap googleMap) {
    mMap = googleMap;
    setUpMap();
}