Android 應用使用 Google 地圖的例子

openkk 12年前發布 | 6K 次閱讀 1.8版本發布 OpenJDK

[代碼] GMapsActivity.java

package com.javacodegeeks.android.googlemaps;


import java.util.List;


import android.graphics.drawable.Drawable;
import android.os.Bundle;


import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapController;
import com.google.android.maps.MapView;
import com.google.android.maps.Overlay;
import com.google.android.maps.OverlayItem;


public class GMapsActivity extends MapActivity {



private MapView mapView;

private static final int latitudeE6 = 37985339;
private static final int longitudeE6 = 23716735;

@Override
public void onCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    mapView = (MapView) findViewById(R.id.map_view);       
    mapView.setBuiltInZoomControls(true);

    List<overlay> mapOverlays = mapView.getOverlays();
    Drawable drawable = this.getResources().getDrawable(R.drawable.icon);
    CustomItemizedOverlay itemizedOverlay = 
         new CustomItemizedOverlay(drawable, this);

    GeoPoint point = new GeoPoint(latitudeE6, longitudeE6);
    OverlayItem overlayitem = 
         new OverlayItem(point, "Hello", "I'm in Athens, Greece!");

    itemizedOverlay.addOverlay(overlayitem);
    mapOverlays.add(itemizedOverlay);

    MapController mapController = mapView.getController();

    mapController.animateTo(point);
    mapController.setZoom(6);

}

@Override
protected boolean isRouteDisplayed() {
    return false;
}




}</pre>

                                


                                
[代碼] CustomItemizedOverlay.java

                
package com.javacodegeeks.android.googlemaps;


import java.util.ArrayList;


import android.app.AlertDialog;
import android.content.Context;
import android.graphics.drawable.Drawable;


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


public class CustomItemizedOverlay extends ItemizedOverlay<OverlayItem> {


private ArrayList<OverlayItem> mapOverlays = new ArrayList<OverlayItem>();


private Context context;


public CustomItemizedOverlay(Drawable defaultMarker) {
        super(boundCenterBottom(defaultMarker));
   }


public CustomItemizedOverlay(Drawable defaultMarker, Context context) {
        this(defaultMarker);
        this.context = context;
   }


@Override
   protected OverlayItem createItem(int i) {
      return mapOverlays.get(i);
   }


@Override
   public int size() {
      return mapOverlays.size();
   }


@Override
   protected boolean onTap(int index) {
      OverlayItem item = mapOverlays.get(index);
      AlertDialog.Builder dialog = new AlertDialog.Builder(context);
      dialog.setTitle(item.getTitle());
      dialog.setMessage(item.getSnippet());
      dialog.show();
      return true;
   }


public void addOverlay(OverlayItem overlay) {
      mapOverlays.add(overlay);
       this.populate();
   }


}</pre>                                 </div>
                                


                                
[代碼] layout.xml

                
<?xml version="1.0" encoding="utf-8"?>


<RelativeLayout 
 xmlns:android="

<com.google.android.maps.MapView
  xmlns:android="

</RelativeLayout></pre>                               </div>
                                


                                
[代碼] AndroidManifest.xml

                
<?xml version="1.0" encoding="utf-8"?>


<manifest xmlns:android="


<application android:icon="@drawable/icon" android:label="@string/app_name">

    <activity android:name=".GMapsActivity"
              android:label="@string/app_name">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>

  <uses-library android:name="com.google.android.maps" />

</application>

<uses-permission android:name="android.permission.INTERNET"/>




</manifest> </pre></div>



                    

                        
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