Question

您好我在listarray中创建了一些表格数据。这些是正确创建的，然后我将每个标记的infowindow中显示的数据添加到hashmap。

但是infowindow似乎没有读取hashmap数据，也不知道我哪里出错了。

我所有的调试标签都表明在创建标记时数据会正确存储在hashmap中。

然后在infowindow中识别出正确的markerid，但是链接到该makerid的hashmap数据没有显示，所有标记都显示infowindow具有相同的数据。

public class MapFragment extends Fragment实现OnMapReadyCallback {

static final LatLng Loc2 = new LatLng(12.106011, -68.935108);
private GoogleMap map;
private ArrayList<Customer> customerList = new ArrayList<>();
private HashMap<String, HashMap<String, String>> outerMap = new HashMap<String, HashMap<String, String>>();
private HashMap<String, String> innerMap = new HashMap<String, String>();
private Marker marker;
final String TAG3 = "MapFragment:";

public MapFragment() {

}

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    AppStart appStart = (AppStart)getActivity();
    customerList = appStart.setMarkers();
}

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    // Inflate the layout for this fragment
    View view = inflater.inflate(R.layout.fragment_map, container, false);
    return view;
}

@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
    super.onViewCreated(view, savedInstanceState);
    SupportMapFragment fragment = (SupportMapFragment)getChildFragmentManager().findFragmentById(R.id.map);
    fragment.getMapAsync(this);
}

@Override
public void onMapReady(GoogleMap googleMap) {
    map = googleMap;

    if (map != null) {
        if (ActivityCompat.checkSelfPermission(getActivity(), Manifest.permission.ACCESS_FINE_LOCATION)
                == PackageManager.PERMISSION_GRANTED) {
            map.setMyLocationEnabled(true);
        }

        map.setOnInfoWindowClickListener(new GoogleMap.OnInfoWindowClickListener() {
            @Override
            public void onInfoWindowClick(Marker marker) {
                marker.hideInfoWindow();
            }
        });

        //Create Markers & HashMap
        setMarker();

        map.setInfoWindowAdapter(new GoogleMap.InfoWindowAdapter() {
            @Override
            public View getInfoWindow(Marker marker) {
                return null;
            }

            @Override
            public View getInfoContents(Marker marker) {
                View v = getActivity().getLayoutInflater().inflate(R.layout.infowindow, null);
                TextView tvCName = (TextView) v.findViewById(R.id.tvCustomerName);
                TextView tvCAddress = (TextView) v.findViewById(R.id.tvCustomerAddress);
                TextView tvCTel = (TextView) v.findViewById(R.id.tvCustomerTel);

                HashMap<String, String> map = outerMap.get(marker.getId());
                Log.d(TAG3,"Info Window: get markerID just clicker: "+marker.getId());
                Log.d(TAG3,"Info Window: get name linked to markerID just clicked: "+map.get("Name"));

                tvCName.setText(map.get("Name"));
                tvCAddress.setText(map.get("Address"));
                tvCTel.setText(map.get("Tel"));
                return v;
            }
        });

        // Move the camera instantly to Curacao with a zoom of 15.
        map.moveCamera(CameraUpdateFactory.newLatLngZoom(Loc2, 15));

        // Zoom in, animating the camera.
        map.animateCamera(CameraUpdateFactory.zoomTo(15), 2000, null);
    }
}

private void setMarker(){
    for(Customer customer : customerList){
        String name = customer.getCompanyName();
        Double latitude = customer.getCompanyLatitude();
        Double longitude = customer.getCompanyLongitude();
        String address = customer.getCompanyAddress();
        String tel = customer.getCompanyTel();

        innerMap.put("Name", name);
        innerMap.put("Address",address);
        innerMap.put("Tel",tel);

        LatLng latLng = new LatLng(latitude, longitude);

        marker = map.addMarker(new MarkerOptions()
                .position(latLng)
                .title(name)
                .icon(BitmapDescriptorFactory.defaultMarker(120)));
        String markerID = marker.getId();
        outerMap.put(markerID, innerMap);
        Log.d(TAG3,"Create Marker: getName just saved: "+name);
        Log.d(TAG3,"Create Marker: getMarkerID just created: "+markerID);
        Log.d(TAG3,"Create Marker: getName jut saved in innerMap: "+innerMap.get("Name"));
        HashMap<String, String> map = outerMap.get(markerID);
        Log.d(TAG3,"Create Marker: get name just saved in innerMap and outerMap linked with marker just created: "+map.get("Name"));
    }
}
}

Answer 1

只需为每个innerMap创建customer的新实例。

删除此行：

private HashMap<String, String> innerMap = new HashMap<String, String>();

在您的setMarker()方法中添加以下内容：

Map<String, String> innerMap = new HashMap<String, String>();

您的setMarker()方法如下所示：

private void setMarker(){
    for(Customer customer : customerList){
        //...

        Map<String, String> innerMap = new HashMap<String, String>(); // Add this line

        innerMap.put("Name", name);
        innerMap.put("Address",address);
        innerMap.put("Tel",tel);

        //...
    }
}

infowindow没有显示hashmap数据

1 个答案: