我需要将 LatLng 类的实例传递给另一个意图。我该怎么做?这是代码。
LatLng fromPosition = new LatLng(23.4555453556, 11.145315551);
LatLng toPosition = new LatLng(12.1115145311, 99.333455333);
Intent i= new Intent(Maps.this, Routes.class);
startActivity(i);
请帮帮我。
路线类:
public class Routes extends FragmentActivity {
GoogleMap mMap;
GMapV2Direction md;
private String provider;
double lati;
double longi;
String name;
Location location;
Document doc;
PolylineOptions rectLine;
Bundle bundle = getIntent().getParcelableExtra("bundle");
LatLng fromPosition = bundle.getParcelable("from_position");
LatLng toPosition = bundle.getParcelable("to_position");
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.maps2);
md = new GMapV2Direction();
mMap = ((SupportMapFragment)getSupportFragmentManager()
.findFragmentById(R.id.map)).getMap();
LatLng coordinates = fromPosition;
mMap.animateCamera(CameraUpdateFactory.newLatLngZoom(coordinates, 16));
mMap.addMarker(new MarkerOptions().position(fromPosition).title("Start"));
mMap.addMarker(new MarkerOptions().position(toPosition).title("End"));
new ParseXML().execute();
}
private class ParseXML extends AsyncTask<Void, Void, Document> {
@Override
protected Document doInBackground(Void... params) {
doc = md.getDocument(fromPosition, toPosition,
GMapV2Direction.MODE_DRIVING);
ArrayList<LatLng> directionPoint = md.getDirection(doc);
rectLine = new PolylineOptions().width(3).color(Color.RED);
for (int i = 0; i < directionPoint.size(); i++) {
rectLine.add(directionPoint.get(i));
}
return null;
}
@Override
protected void onPostExecute(Document result) {
// TODO Auto-generated method stub
mMap.addPolyline(rectLine);
}
}
}
这是我的路线课程。我不知道问题所在。帮帮我。似乎可以很好地发送捆绑包,但在接收时出现错误。