Cannot Resolve Method Getmap()

Google maps can not resolve method getMap()

You should give a look to documentation

To add a map to an activity, add map fragment to your layout :

<?xml version="1.0" encoding="utf-8"?>
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
    android:name="com.google.android.gms.maps.MapFragment"
    android:id="@+id/map"
    android:layout_width="match_parent"
    android:layout_height="match_parent"/>

And then use it in your activity :

public class MainActivity extends FragmentActivity implements OnMapReadyCallback {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        MapFragment mapFragment = (MapFragment) getFragmentManager().findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);

    }

    @Override
    public void onMapReady(GoogleMap map) {

         map.setMyLocationEnabled(true);
         map.setOnInfoWindowClickListener(new GoogleMap.OnInfoWindowClickListener() {
                    @Override
                    public void onInfoWindowClick(final Marker marker) {....}

}

The map will be created in async way, and the onMapReady function will be called when map is ready,in this function you will be able to add markers, change position, title, zoom or whatever.

cannot find symbol method getMap()

private void setUpMapIfNeeded() {
        if (mMap == null) {
            SupportMapFragment mapFrag = ((SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map));
            mapFrag.getMapAsync(this);
            if (mMap != null) {
                setUpMap();
            }
        }
    }  

getMap() is deprecated, use getMapAsync()

cannot resolve method getMap() : AppCompatActivity

Unable to find where the problem could. Let you try these lines.

If you implement the OnMapReadyCallback you need to override the onMapReady function.

public class GetLocationActivity extends AppCompatActivity implements OnMapReadyCallback {

GoogleMap gMap;

@Override
protected void onCreate(Bundle savedInstanceState) {
....
...
.
gMap = ((MapFragment) getFragmentManager().findFragmentById(
R.id.gmap)).getMap();
..
..

}

@Override
public void onMapReady(GoogleMap googleMap) {
 // your logic here
}

}

EDITED:

Remove these lines from your code. [ remove completely your second class]

Then make you first class to implement the onMapReadyCallback.

Then copy the necessary variables and logic to your first class itself.

// Remove below lines from your code.

public class AddPostActivity extends AddPostActivity implements OnMapReadyCallback {

    private UiSettings mUiSettings;
    private GoogleMap map;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.add_post_activity);

        MapFragment fm = (MapFragment) getFragmentManager().findFragmentById(R.id.maps_fragment);
        fm.getMapAsync(this);
    }

    @Override
    public void onMapReady(GoogleMap googleMap) {

        map.setMapType(GoogleMap.MAP_TYPE_NORMAL);
        mUiSettings = map.getUiSettings();

        mUiSettings.setCompassEnabled(true);
        mUiSettings.setMyLocationButtonEnabled(false);
    }
    }

Instead implement the same logic in your first class itself. Let me know for queries

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