基本地図を表示する

class BasicMapDemoActivity : AppCompatActivity(), OnMapReadyCallback {

    val SYDNEY = LatLng(-33.862, 151.21)
    val ZOOM_LEVEL = 13f

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_basic_map_demo)
        val mapFragment : SupportMapFragment? =
                supportFragmentManager.findFragmentById(R.id.map) as? SupportMapFragment
        mapFragment?.getMapAsync(this)
    }

    /**
     * This is where we can add markers or lines, add listeners or move the camera. In this case,
     * we just move the camera to Sydney and add a marker in Sydney.
     */
    override fun onMapReady(googleMap: GoogleMap) {
        with(googleMap) {
            moveCamera(CameraUpdateFactory.newLatLngZoom(SYDNEY, ZOOM_LEVEL))
            addMarker(MarkerOptions().position(SYDNEY))
        }
    }
}
BasicMapDemoActivity.kt

      

public class BasicMapDemoActivity extends AppCompatActivity implements OnMapReadyCallback {

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

        SupportMapFragment mapFragment =
                (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);
    }

    /**
     * This is where we can add markers or lines, add listeners or move the camera. In this case,
     * we
     * just add a marker near Africa.
     */
    @Override
    public void onMapReady(GoogleMap map) {
        map.addMarker(new MarkerOptions().position(new LatLng(0, 0)).title("Marker"));
    }
}
BasicMapDemoActivity.java