Essential Android Google Maps edit forum

MapView embedding a GoogleMap in an existing layout

It is possible to treat a GoogleMap as an Android view if we make use of the provided MapView class. Its usage is very similar to MapFragment.

In your layout use MapView as follows:

<com.google.android.gms.maps.MapView 
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:map="http://schemas.android.com/apk/res-auto"
    android:id="@+id/map"
    android:layout_width="match_parent"
    android:layout_height="match_parent" 
    <!-- 
    map:mapType="0" Specifies a change to the initial map type
    map:zOrderOnTop="true"  Control whether the map view's surface is placed on top of its window
    map:useVieLifecycle="true" When using a MapFragment, this flag specifies whether the lifecycle of the map should be tied to the fragment's view or the fragment itself
    map:uiCompass="true" Enables or disables the compass
    map:uiRotateGestures="true" Sets the preference for whether rotate gestures should be enabled or disabled
    map:uiScrollGestures="true" Sets the preference for whether scroll gestures should be enabled or disabled
    map:uiTiltGestures="true" Sets the preference for whether tilt gestures should be enabled or disabled
    map:uiZoomGestures="true" Sets the preference for whether zoom gestures should be enabled or disabled
    map:uiZoomControls="true" Enables or disables the zoom controls
    map:liteMode="true" Specifies whether the map should be created in lite mode
    map:uiMapToolbar="true" Specifies whether the mapToolbar should be enabled
    map:ambientEnabled="true" Specifies whether ambient-mode styling should be enabled
    map:cameraMinZoomPreference="0.0" Specifies a preferred lower bound for camera zoom
    map:cameraMaxZoomPreference="1.0" Specifies a preferred upper bound for camera zoom -->
    />

Your activity needs to implement the OnMapReadyCallback interface in order to work:

/**
* This shows how to create a simple activity with a raw MapView and add a marker to it. This
* requires forwarding all the important lifecycle methods onto MapView.
*/
public class RawMapViewDemoActivity extends AppCompatActivity implements OnMapReadyCallback {

    private MapView mMapView;

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

        mMapView = (MapView) findViewById(R.id.map);
        mMapView.onCreate(savedInstanceState);

        mMapView.getMapAsync(this);
    }

    @Override
    protected void onResume() {
        super.onResume();
        mMapView.onResume();
    }

    @Override
    public void onMapReady(GoogleMap map) {
        map.addMarker(new MarkerOptions().position(new LatLng(0, 0)).title("Marker"));
    }

    @Override
    protected void onPause() {
        mMapView.onPause();
        super.onPause();
    }

    @Override
    protected void onDestroy() {
        mMapView.onDestroy();
        super.onDestroy();
    }

    @Override
    public void onLowMemory() {
        super.onLowMemory();
        mMapView.onLowMemory();
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        mMapView.onSaveInstanceState(outState);
    }
}

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