Wear OS'te Maps API

class MainActivity : AppCompatActivity(), OnMapReadyCallback,
                     AmbientModeSupport.AmbientCallbackProvider {


    public override fun onCreate(savedState: Bundle?) {
        super.onCreate(savedState)

        // Set the layout. It only contains a SupportMapFragment and a DismissOverlay.
        setContentView(R.layout.activity_main)

        // Enable ambient support, so the map remains visible in simplified, low-color display
        // when the user is no longer actively using the app but the app is still visible on the
        // watch face.
        val controller = AmbientModeSupport.attach(this)
        Log.d(MainActivity::class.java.simpleName, "Is ambient enabled: " + controller.isAmbient)

        // Retrieve the containers for the root of the layout and the map. Margins will need to be
        // set on them to account for the system window insets.
        val mapFrameLayout = findViewById<SwipeDismissFrameLayout>(R.id.map_container)
        mapFrameLayout.addCallback(object : SwipeDismissFrameLayout.Callback() {
            override fun onDismissed(layout: SwipeDismissFrameLayout) {
                onBackPressed()
            }
        })

        // Obtain the MapFragment and set the async listener to be notified when the map is ready.
        mapFragment = supportFragmentManager
            .findFragmentById(R.id.map) as SupportMapFragment
        mapFragment.getMapAsync(this)
    }

    // ...
}

      

public class MainActivity extends AppCompatActivity implements OnMapReadyCallback,
    AmbientModeSupport.AmbientCallbackProvider {


    public void onCreate(Bundle savedState) {
        super.onCreate(savedState);

        // Set the layout. It only contains a SupportMapFragment and a DismissOverlay.
        setContentView(R.layout.activity_main);

        // Enable ambient support, so the map remains visible in simplified, low-color display
        // when the user is no longer actively using the app but the app is still visible on the
        // watch face.
        AmbientModeSupport.AmbientController controller = AmbientModeSupport.attach(this);
        Log.d(MainActivity.class.getSimpleName(), "Is ambient enabled: " + controller.isAmbient());

        // Retrieve the containers for the root of the layout and the map. Margins will need to be
        // set on them to account for the system window insets.
        final SwipeDismissFrameLayout mapFrameLayout = (SwipeDismissFrameLayout) findViewById(
            R.id.map_container);
        mapFrameLayout.addCallback(new SwipeDismissFrameLayout.Callback() {
            @Override
            public void onDismissed(SwipeDismissFrameLayout layout) {
                onBackPressed();
            }
        });

        // Obtain the MapFragment and set the async listener to be notified when the map is ready.
        mapFragment = (SupportMapFragment) getSupportFragmentManager()
            .findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);
    }

    // ...
}

      

private val sydney = LatLng(-33.85704, 151.21522)

override fun onMapReady(googleMap: GoogleMap) {
    // Add a marker with a title that is shown in its info window.
    googleMap.addMarker(
        MarkerOptions().position(sydney)
            .title("Sydney Opera House")
    )

    // Move the camera to show the marker.
    googleMap.moveCamera(CameraUpdateFactory.newLatLngZoom(sydney, 10f))
}

      

private static final LatLng SYDNEY = new LatLng(-33.85704, 151.21522);

@Override
public void onMapReady(@NonNull GoogleMap googleMap) {
    // Add a marker with a title that is shown in its info window.
    googleMap.addMarker(new MarkerOptions().position(SYDNEY)
        .title("Sydney Opera House"));

    // Move the camera to show the marker.
    googleMap.moveCamera(CameraUpdateFactory.newLatLngZoom(SYDNEY, 10));
}

      

class AmbientActivity : AppCompatActivity(), AmbientModeSupport.AmbientCallbackProvider {

    private lateinit var mapFragment: SupportMapFragment

    public override fun onCreate(savedState: Bundle?) {
        super.onCreate(savedState)

        // Set the layout. It only contains a SupportMapFragment and a DismissOverlay.
        setContentView(R.layout.activity_main)

        // Enable ambient support, so the map remains visible in simplified, low-color display
        // when the user is no longer actively using the app but the app is still visible on the
        // watch face.
        val controller = AmbientModeSupport.attach(this)
        Log.d(AmbientActivity::class.java.simpleName, "Is ambient enabled: " + controller.isAmbient)

        // Obtain the MapFragment and set the async listener to be notified when the map is ready.
        mapFragment = supportFragmentManager
            .findFragmentById(R.id.map) as SupportMapFragment
    }

    override fun getAmbientCallback(): AmbientModeSupport.AmbientCallback {
        return object : AmbientModeSupport.AmbientCallback() {
            /**
             * Starts ambient mode on the map.
             * The API swaps to a non-interactive and low-color rendering of the map when the user is no
             * longer actively using the app.
             */
            override fun onEnterAmbient(ambientDetails: Bundle) {
                super.onEnterAmbient(ambientDetails)
                mapFragment.onEnterAmbient(ambientDetails)
            }

            /**
             * Exits ambient mode on the map.
             * The API swaps to the normal rendering of the map when the user starts actively using the app.
             */
            override fun onExitAmbient() {
                super.onExitAmbient()
                mapFragment.onExitAmbient()
            }
        }
    }
}

      

public class AmbientActivity extends AppCompatActivity implements
    AmbientModeSupport.AmbientCallbackProvider {

    private SupportMapFragment mapFragment;

    public void onCreate(Bundle savedState) {
        super.onCreate(savedState);

        // Set the layout. It only contains a SupportMapFragment and a DismissOverlay.
        setContentView(R.layout.activity_main);

        // Enable ambient support, so the map remains visible in simplified, low-color display
        // when the user is no longer actively using the app but the app is still visible on the
        // watch face.
        AmbientModeSupport.AmbientController controller = AmbientModeSupport.attach(this);
        Log.d(AmbientActivity.class.getSimpleName(), "Is ambient enabled: " + controller.isAmbient());

        // Obtain the MapFragment and set the async listener to be notified when the map is ready.
        mapFragment = (SupportMapFragment) getSupportFragmentManager()
            .findFragmentById(R.id.map);
    }

    @Override
    public AmbientCallback getAmbientCallback() {
        return new AmbientCallback() {
            /**
             * Starts ambient mode on the map.
             * The API swaps to a non-interactive and low-color rendering of the map when the user is no
             * longer actively using the app.
             */
            @Override
            public void onEnterAmbient(Bundle ambientDetails) {
                super.onEnterAmbient(ambientDetails);
                mapFragment.onEnterAmbient(ambientDetails);
            }

            /**
             * Exits ambient mode on the map.
             * The API swaps to the normal rendering of the map when the user starts actively using the app.
             */
            @Override
            public void onExitAmbient() {
                super.onExitAmbient();
                mapFragment.onExitAmbient();
            }
        };
    }
}