OnItemSelected의 마커를 변경하는 방법

Question

갤러리의 경우 OnItemSelected Listener의 마커를 변경하려고합니다. 실제로 항목 목록과 갤러리에서 존경받는 항목의 마커를 보여주는지도가 있습니다 .i 갤러리에서 항목을 선택할 때 마커 (파란색에서 주황색)를 변경하고 싶습니다. 어떻게 할 수 있습니까?이 링크의 코드로 마커를 변경하면 마커를 변경했습니다.

http://www.google.com/url?q=http%3A%2F%2Fstackoverflow.com%2Fquestions%2F7038636%2Fhow-to-change-the-marker-for-the-overlay-on-tap-for-android&sa=D&sntz=1&usg=AFQjCNFOnFJHf-f0nTea-a3Rs5hpx4U1IQ onItemSelected Listener.please를 사용하여 동일한 방법으로 제안 할 수 있습니다.

나는 전체 코드를 제공 할 수 없지만 여기까지 내가 지금까지해온 것을 이해할 수있는 몇 가지가있다. 여기

오버레이 클래스입니다 : 당신은 이미 당신이 마커를 클릭하면 색상을 변경 마커를 구현 한 경우

import java.util.ArrayList; 

import android.content.Context; 
import android.database.Cursor; 
import android.graphics.drawable.Drawable; 
import android.widget.Gallery; 

import com.google.android.maps.GeoPoint; 
import com.google.android.maps.ItemizedOverlay; 
import com.google.android.maps.MapView; 
import com.google.android.maps.OverlayItem; 


/** 
* @author Anshul 
* class is responsible for creating overlays on the map 
* 
*/ 
public class SearchCarOverlay extends ItemizedOverlay<OverlayItem> { 
    Context context; 
    MapView map; 
    Gallery mapGallery; 
    private Drawable heart = null; 
    private ArrayList<CustomItem> aList = null; 

    public SearchCarOverlay(Cursor cursor, Context m, MapView mView, 
      Gallery carGallery) { 
     // super(boundCenterBottom(cursor)); 
     super(null); 
     context    = m; 
     this.map   = mView; 
     this.mapGallery  = carGallery; 
     aList    = new ArrayList<CustomItem>(); 
     addItemsToList(cursor); 

     populate(); 

    } 

    /** 
    * @param cursor 
    * This method will add all the point to the list. 
    */ 
    private void addItemsToList(Cursor cursor) { 
     GeoPoint point = null; 
     if (cursor != null && cursor.getCount() > 0) { 
      cursor.moveToFirst(); 
      do { 

       int lat = (int) (cursor.getDouble(cursor 
         .getColumnIndex("Latitude")) * 1000000); 
       System.out.println("checking for latitude and longitude*************" 
           + lat); 
       int lng = (int) (cursor.getDouble(cursor 
         .getColumnIndex("Longitude")) * 1000000); 
       point = new GeoPoint(lat, lng); 
       aList.add(new CustomItem(point, "", "", 
         getMarker(R.drawable.heart_full), heart)); 

      } while (cursor.moveToNext()); 

     // map.getController().animateTo(point); 

     } 

    } 

    /** 
    * @param resource 
    * @return drawable 
    * for getting the map markers 
    */ 
    private Drawable getMarker(int resource) { 
     Drawable marker = context.getResources().getDrawable(resource); 

     marker.setBounds(0, 0, marker.getIntrinsicWidth(), 
       marker.getIntrinsicHeight()); 
     boundCenter(marker); 
     return (marker); 
    } 

    @Override 
    protected CustomItem createItem(int i) { 

     return aList.get(i); 
    } 

    @Override 
    public int size() { 

     return aList.size(); 

    } 

    @Override 
    protected boolean onTap(int index) { 
     mapGallery.setSelection(index); 
     return true; 
    } 

    void toggleHeart() { 
     CustomItem focus = (CustomItem) getFocus(); 

     if (focus != null) { 
      focus.toggleHeart(); 
     } 

     map.invalidate(); 
    } 
/* 
    public ArrayList<CustomItem> getListOfItems(){ 
     return aList; 

    }*/ 
    /** 
    * releases all the objects memory 
    */ 
    public void cleanUp(){ 
     context  = null; 
     map  = null; 
     mapGallery = null; 
     heart  = null; 
    } 

} 

class CustomItem extends OverlayItem { 
    Drawable marker = null; 
    boolean isHeart = false; 
    Drawable heart = null; 

    CustomItem(GeoPoint pt, String name, String snippet, Drawable marker, 
      Drawable heart) { 
     super(pt, name, snippet); 
System.out.println(" CustomItem CONSTRUCTOR "); 
     this.marker = marker; 
     this.heart = heart; 
    } 

    @Override 
    public void setMarker(Drawable marker) { 
     System.out.println(" CustomItem setMarker ");  
    // setState(marker, android.R.attr.state_pressed); 

    } 


    @Override 
    public Drawable getMarker(int stateBitset) { 
     Drawable result = (isHeart ? heart : marker); 
     System.out.println(" CustomItem getMarker "); 
     setState(result, stateBitset); 

     return (result); 
    } 

    void toggleHeart() { 
     System.out.println(" CustomItem toggleHeart "); 
     isHeart = !isHeart; 
    } 


} 
` 
and my fragment file which contains gallery and map 

    public class SearchCarsFragment extends Fragmnent implements OnItemClickListener, OnClickListener{ 

MapView mapView; 
private Gallery carGallery; 

@Override 
    public View onCreateView(LayoutInflater inflater, ViewGroup v, Bundle bundle) { 

     View view = inflater.inflate(R.layout.search_car_result, null); 
     headerText  = (TextView)view.findViewById(R.id.frag_search_result); 
     carGallery = (Gallery)view.findViewById(R.id.car_gallery); 
     mapContainer = (LinearLayout)view.findViewById(R.id.search_map_container); 
     listOrMap  = (Button)view.findViewById(R.id.frag_search_option); 
     helpButton = (Button)view.findViewById(R.id.frag_search_help); 

     inflaterForMap = inflater; 

     InitialiseMapView(); 
      initialiseMapAndGallery(); 


     listOrMap.setOnClickListener(this); 
     helpButton.setOnClickListener(this); 
     return view; 
    } 
/** 
    * used to create map view everytime we come to Searchcars fragment 
    */ 
    private void InitialiseMapView() { 

     if(mapViewFrameLayout == null){ 
      mapViewFrameLayout  = (FrameLayout)inflaterForMap.inflate(R.layout.maps, null); 
      mapView = (MapView) mapViewFrameLayout.findViewById(R.id.carhomezone); 
     }else{ 
      mapView = (MapView) mapViewFrameLayout.findViewById(R.id.carhomezone); 
     } 


    } 



    /** 
    * initialises the map and gallery in the screen 
    */ 
    private void initialiseMapAndGallery() { 

     dismissDialog(); 

     cursor = DatabaseUtil.getInstance().getSortedCarResults(Constants.SORT_BY_DEFAULT); 
     if(cursor != null && cursor.getCount() > 0){ 
      headerText.setText("Search Results ("+cursor.getCount()+")"); 
     initialiseMap(cursor); 
     initialiseGallery(cursor); 
     }else{ 
      System.out.println("problem in getting the data from the database"); 
     } 

    } 

/** 
    * @param cursor 
    * initialises the map for search results 
    */ 
    private void initialiseMap(Cursor cursor) { 

     InitialiseMapView(); 
     mapContainer.addView(mapViewFrameLayout); 
     //GeoPoint point = null ; 


     searchCarOverlay = new SearchCarOverlay(cursor,SearchFragmentActivity.mContext,mapView,carGallery); 
     mapView.getOverlays().add(searchCarOverlay); 
     mapView.setSatellite(false); 
     //mapView.setStreetView(true); 
     MapController mc = mapView.getController(); 
     mapView.setBuiltInZoomControls(true); 

     mc.setZoom(16); 


     //mapContainer.addView(mapView); 

     //mc.animateTo(point); 





     mapView.invalidate(); 
    } 


/** 
    * @param cursor 
    * initialises the gallery for search results 
    */ 
    private void initialiseGallery(Cursor cursor) { 
     carGallery.setAdapter(new CarGalleyAdapter(SearchFragmentActivity.mContext ,cursor)); 
     carGallery.setOnItemClickListener(this); 
     carGallery.setOnItemSelectedListener(new OnItemSelectedListener() { 

      @Override 
      public void onItemSelected(AdapterView<?> parent, View view, 
        int position, long id) { 
       System.out.println(" onItem selected listenert is called"+position);    

// here i need to right the code for changinh marker onItmeselected 


      } 

      @Override 
      public void onNothingSelected(AdapterView<?> arg0) { 
       System.out.println(" onNothingSelected selected listenert is called "); 

      } 
     }); 


    } 

Answer 1

. 그럼 당신이 한 것을 가져 가서 갤러리의 OnclickListener에 넣으십시오.