ArcGIS for Android 显示FeatureLayer的popup

package ting.app.FeaturePopup; import java.util.ArrayList; import java.util.List; import android.app.Activity; import android.app.Dialog; import android.app.ProgressDialog; import android.content.Context; import android.os.AsyncTask; import android.os.Bundle; import android.util.Log; import android.view.ViewGroup.LayoutParams; import android.widget.LinearLayout; import com.esri.android.map.Layer; import com.esri.android.map.MapView; import com.esri.android.map.ags.ArcGISFeatureLayer; import com.esri.android.map.event.OnSingleTapListener; import com.esri.android.map.event.OnStatusChangedListener; import com.esri.android.map.popup.Popup; import com.esri.android.map.popup.PopupContainer; import com.esri.core.map.Graphic; public class FeaturePopupActivity extends Activity { MapView mMapView ; ProgressDialog dio; int count;//代表还需要查询多少个图层 PopupContainer container;//储存Popup myPopupViewDialog popDio;//自定定义PopupContainerView显示方式 /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mMapView = new MapView(this, "http://www.arcgis.com/home/item.html?id=81d2dcf906cf4df4889ec36c8dc0c1f9", "", ""); setContentView(mMapView); dio=new ProgressDialog(this); dio.setMessage("正在查找..."); mMapView.setOnStatusChangedListener(new OnStatusChangedListener(){ public void onStatusChanged(Object arg0, STATUS arg1) { if(arg0==mMapView && arg1==STATUS.INITIALIZED){ mMapView.setOnSingleTapListener(new MyTouchLis()); } } }); } class MyTouchLis implements OnSingleTapListener { public void onSingleTap(float x, float y) { container=new PopupContainer(mMapView); dio.show(); Layer[] layers= mMapView.getLayers(); //遍历出FeatureLayer类型的图层 for(Layer layer :layers){ if(!(layer instanceof ArcGISFeatureLayer)){ continue; } ArcGISFeatureLayer afl=(ArcGISFeatureLayer) layer; //判断ArcGISFeatureLayer是否包含PopopInfo if(afl.getPopupInfo()!=null){ count++; new QueryFeatureLayer(FeaturePopupActivity.this,x, y).execute(afl); } } } } class QueryFeatureLayer extends AsyncTask<ArcGISFeatureLayer, Void, List<Graphic>>{ private float x; private float y; private Context context; public QueryFeatureLayer(Context context,float x, float y) { this.x = x; this.y = y; this.context=context; } @Override protected List<Graphic> doInBackground(ArcGISFeatureLayer... params) { ArcGISFeatureLayer afl=params[0]; int[] ids=afl.getGraphicIDs(x, y, 20); if(ids.length==0){ return null; } List<Graphic> gs=new ArrayList<Graphic>(); for(int id:ids){ Graphic g= afl.getGraphic(id); if(g==null){ continue; } gs.add(g); } return gs; } @Override protected void onPostExecute(List<Graphic> result) { count--; if(count==0){ dio.dismiss(); } if(result==null || result.size()==0){ return; } for(Graphic g:result){ container.addPopup(new Popup(mMapView, g)); } if(count==0){ popDio=new myPopupViewDialog(context); popDio.show(); } } } //点定义PopupContainer显示显示，使其以Dialog的形式显示 class myPopupViewDialog extends Dialog{ private Context context; public myPopupViewDialog(Context context) { super(context); this.context=context; } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); LayoutParams params=new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); LinearLayout layout=new LinearLayout(context); layout.addView(container.getPopupContainerView(), LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); setContentView(layout, params); } } @Override protected void onDestroy() { super.onDestroy(); } @Override protected void onPause() { super.onPause(); mMapView.pause(); } @Override protected void onResume() { super.onResume(); mMapView.unpause(); } }