我打算为安卓平台开发一个基于位置的游戏。我想在随机坐标（用户位置周围）但在路上创建一个标记！此外，我将把这个标记从这个点 (A) 动画到第二个随机点 (B)。任何想法？
谢谢你！
ps.我使用Nutiteq 3D地图应用示例的示例代码。
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import com.nutiteq.MapView;
import com.nutiteq.components.Color;
import com.nutiteq.components.Components;
import com.nutiteq.components.MapPos;
import com.nutiteq.components.Options;
import com.nutiteq.geometry.Marker;
import com.nutiteq.log.Log;
import com.nutiteq.projections.EPSG3857;
import com.nutiteq.projections.Projection;
import com.nutiteq.rasterlayers.TMSMapLayer;
import com.nutiteq.style.MarkerStyle;
import com.nutiteq.ui.DefaultLabel;
import com.nutiteq.ui.Label;
import com.nutiteq.utils.UnscaledBitmapLoader;
import com.nutiteq.vectorlayers.MarkerLayer;
public class MainActivity extends Activity {
private MapView mapView;
@SuppressLint("NewApi")
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// enable logging for troubleshooting - optional
Log.enableAll();
Log.setTag("hellomap");
// 1. Get the MapView from the Layout xml - mandatory
mapView = (MapView) findViewById(R.id.mapView);
// Optional, but very useful: restore map state during device rotation,
// it is saved in onRetainNonConfigurationInstance() below
Components retainObject = (Components) getLastNonConfigurationInstance();
if (retainObject != null) {
// just restore configuration and update listener, skip other initializations
mapView.setComponents(retainObject);
MyLocationMapEventListener mapListener = (MyLocationMapEventListener) mapView.getOptions().getMapListener();
mapListener.reset(this, mapView);
mapView.startMapping();
return;
} else {
// 2. create and set MapView components - mandatory
mapView.setComponents(new Components());
}
// 3. Define map layer for basemap - mandatory.
// Here we use MapQuest open tiles
// Almost all online tiled maps use EPSG3857 projection.
TMSMapLayer mapLayer = new TMSMapLayer(new EPSG3857(), 0, 18, 0,
"http://otile1.mqcdn.com/tiles/1.0.0/osm/", "/", ".png");
mapView.getLayers().setBaseLayer(mapLayer);
// set initial map view camera - optional. "World view" is default
// Location: San Francisco
// NB! it must be in base layer projection (EPSG3857), so we convert it from lat and long
mapView.setFocusPoint(mapView.getLayers().getBaseLayer().getProjection().fromWgs84(-122.41666666667f, 37.76666666666f));
// rotation - 0 = north-up
mapView.setRotation(0f);
// zoom - 0 = world, like on most web maps
mapView.setZoom(10.0f);
// tilt means perspective view. Default is 90 degrees for "normal" 2D map view, minimum allowed is 30 degrees.
mapView.setTilt(75.0f);
// Activate some mapview options to make it smoother - optional
mapView.getOptions().setPreloading(true);
mapView.getOptions().setSeamlessHorizontalPan(true);
mapView.getOptions().setTileFading(true);
mapView.getOptions().setKineticPanning(true);
mapView.getOptions().setDoubleClickZoomIn(true);
mapView.getOptions().setDualClickZoomOut(true);
// set sky bitmap - optional, default - white
mapView.getOptions().setSkyDrawMode(Options.DRAW_BITMAP);
mapView.getOptions().setSkyOffset(4.86f);
mapView.getOptions().setSkyBitmap(
UnscaledBitmapLoader.decodeResource(getResources(),
R.drawable.sky_small));
// Map background, visible if no map tiles loaded - optional, default - white
mapView.getOptions().setBackgroundPlaneDrawMode(Options.DRAW_BITMAP);
mapView.getOptions().setBackgroundPlaneBitmap(
UnscaledBitmapLoader.decodeResource(getResources(),
R.drawable.background_plane));
mapView.getOptions().setClearColor(Color.WHITE);
// configure texture caching - optional, suggested
mapView.getOptions().setTextureMemoryCacheSize(40 * 1024 * 1024);
mapView.getOptions().setCompressedMemoryCacheSize(8 * 1024 * 1024);
// define online map persistent caching - optional, suggested. Default - no caching
mapView.getOptions().setPersistentCachePath(this.getDatabasePath("mapcache").getPath());
// set persistent raster cache limit to 100MB
mapView.getOptions().setPersistentCacheSize(100 * 1024 * 1024);
// 4. Start the map - mandatory
mapView.startMapping();
// 5. Add simple marker to map.
// define marker style (image, size, color)
Bitmap pointMarker = UnscaledBitmapLoader.decodeResource(getResources(), R.drawable.olmarker);
MarkerStyle markerStyle = MarkerStyle.builder().setBitmap(pointMarker).setSize(0.5f).setColor(Color.WHITE).build();
// define label what is shown when you click on marker
Label markerLabel = new DefaultLabel("San Francisco", "Here is a marker");
// define location of the marker, it must be converted to base map coordinate system
MapPos markerLocation = mapLayer.getProjection().fromWgs84(-122.416667f, 37.766667f);
// create layer and add object to the layer, finally add layer to the map.
// All overlay layers must be same projection as base layer, so we reuse it
MarkerLayer markerLayer = new MarkerLayer(mapLayer.getProjection());
markerLayer.add(new Marker(markerLocation, markerLabel, markerStyle, null));
mapView.getLayers().addLayer(markerLayer);
// add event listener
MyLocationMapEventListener mapListener = new MyLocationMapEventListener(this, mapView);
mapView.getOptions().setMapListener(mapListener);
// add GPS My Location functionality
MyLocationCircle locationCircle = new MyLocationCircle();
mapListener.setLocationCircle(locationCircle);
initGps(locationCircle);
}
@Override
public Object onRetainNonConfigurationInstance() {
Log.debug("onRetainNonConfigurationInstance");
return this.mapView.getComponents();
}
protected void initGps(final MyLocationCircle locationCircle) {
final Projection proj = mapView.getLayers().getBaseLayer().getProjection();
LocationListener locationListener = new LocationListener()
{
public void onLocationChanged(Location location) {
if (locationCircle != null) {
locationCircle.setLocation(proj, location);
locationCircle.setVisible(true);
mapView.setFocusPoint(mapView.getLayers().getBaseLayer().getProjection().fromWgs84(location.getLongitude(), location.getLatitude()));
}
}
public void onStatusChanged(String provider, int status, Bundle extras) {
Log.debug("GPS onStatusChanged "+provider+" to "+status);
}
public void onProviderEnabled(String provider) {
Log.debug("GPS onProviderEnabled");
}
public void onProviderDisabled(String provider) {
Log.debug("GPS onProviderDisabled");
}
};
LocationManager locationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 10000, 100, locationListener);
locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000, 0, locationListener);
}
ps.这正是我想做的，但在 android sdk http://openplans.github.io/Leaflet.AnimatedMarker/