Java MyLocationOverlay.enableMyLocation方法代码示例

import com.google.android.maps.MyLocationOverlay; //导入方法依赖的package包/类
/**
 * 地図の中心地として，GPSの現在地情報を追跡し続ける
 */
public MMapView followMyLocation()
{
    // マップ上にオーバレイを定義
    overlay_myloc = new MyLocationOverlay( activity, this );
    overlay_myloc.onProviderEnabled(LocationManager.GPS_PROVIDER);
    overlay_myloc.enableMyLocation();

    // 現在地の追跡を開始
    waitForMyLocation();

    // このオーバレイをマップ上に追加
    getOverlays().add(overlay_myloc);
    invalidate();

    return this;
}
 

import com.google.android.maps.MyLocationOverlay; //导入方法依赖的package包/类
public static GMap newDefaultGMap(MapActivity mapActivity,
		String pc1debugkey) {
	final GMap map = new GMap(mapActivity, GoogleMapsKey.pc1DebugKey);
	final MyLocationOverlay o = new MyLocationOverlay(mapActivity, map);
	o.enableCompass();
	o.enableMyLocation();
	map.addOverlay(o);
	map.setSatellite(true);
	map.setZoomLevel(17);
	map.setClickable(true);
	o.runOnFirstFix(new Runnable() {

		@Override
		public void run() {
			/*
			 * When the positionis available for the first time center the
			 * map to this location:
			 */
			map.getController().setCenter(o.getMyLocation());
		}
	});

	return map;
}
 

import com.google.android.maps.MyLocationOverlay; //导入方法依赖的package包/类
@SuppressWarnings("deprecation")
@Override
   public void onCreate(Bundle savedInstanceState)
   {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.main);

       mapView = (MapView) findViewById(R.id.mapView);
       mapView.setStreetView(false);
       mapView.setSatellite(false);

       // ZOOM CONTROL 
       LinearLayout zoomLayout = (LinearLayout)findViewById(R.id.zoom);  
       View zoomView = mapView.getZoomControls();

       zoomLayout.addView(zoomView, 
           new LinearLayout.LayoutParams(
               LayoutParams.WRAP_CONTENT, 
               LayoutParams.WRAP_CONTENT)); 
       mapView.displayZoomControls(true);
       
       // SAT VIEW
       Button s = (Button) findViewById(R.id.sat);
       s.setOnClickListener(new View.OnClickListener() {
		
		@Override
		public void onClick(View v) {
			// TODO Auto-generated method stub
			toggleSatellite();
		}
	});
       
       mc = mapView.getController();
       
       //INIT DB
       DataBaseHelper myDbHelper = new DataBaseHelper(this.getApplicationContext());
       myDbHelper = new DataBaseHelper(this);

       try {
       	myDbHelper.createDataBase();
       } catch (IOException ioe) {
 			throw new Error("Unable to create database");
 		}

       try {
 			myDbHelper.openDataBase();
 		}catch(SQLException sqle){
 			throw sqle;
 		}

 		//PULL BUS STOPS FROM DB
 		stops = Stop.getAllStops();
 		StopOverlay itemizedOverlay = new StopOverlay(stops, this);
 		
 		listOfOverlays = mapView.getOverlays();
       listOfOverlays.clear();

       listOfOverlays.add(itemizedOverlay);
       
       // MyLocationOverlay
       MyLocationOverlay myLocationOverlay = new MyLocationOverlay(this, mapView);
       listOfOverlays.add(myLocationOverlay);
       myLocationOverlay.enableMyLocation();
       
       // GPS
       lm = (LocationManager)getSystemService(Context.LOCATION_SERVICE);
   	
  	// Set the criteria for selection a location provider
  	criteria = new Criteria();
  	criteria.setAccuracy(Criteria.ACCURACY_FINE);
  	criteria.setAltitudeRequired(false);
  	criteria.setBearingRequired(false);
  	criteria.setCostAllowed(true);
  	criteria.setPowerRequirement(Criteria.POWER_LOW);
  
   }
 

import com.google.android.maps.MyLocationOverlay; //导入方法依赖的package包/类
@Override
public void _e2_addElementsToGuiSetup(GuiSetup guiSetup, Activity context) {

	map = new GMap(myTargetActivity, GoogleMapsKey.pc1DebugKey);
	guiSetup.addViewToBottomRight(map, 2, 130);
	map.setCenterToCurrentPos();
	map.setZoomLevel(20);
	map.setClickable(true);

	try {
		map.addOverlay(new CustomItemizedOverlay(ownPosition,
				IO.loadDrawableFromId(myTargetActivity,
						R.drawable.mapdotblue)));
	} catch (Exception e) {
		Log.e("Gmaps", "An itemized overlay could be created but "
				+ "not added to the Google-Maps view. A reason might "
				+ "be that the mapview could not determine its "
				+ "position. Check if the phone is in airplane-mode!");
		e.printStackTrace();
	}

	MyLocationOverlay o = new MyLocationOverlay(myTargetActivity, map);
	o.enableCompass();
	o.enableMyLocation();
	map.addOverlay(o);

	map.setOnDoubleTabCommand(ifMinimizedMaximazeMapElseAddPath(guiSetup));
	EventManager.getInstance().addOnKeyPressedCommand(
			KeyEvent.KEYCODE_BACK, minimizeMapIfMaximized());

	map.setOnTabCommand(ifMaximizedAddItemToCurrentCustomGraph());

	Wrapper walkWrapper = new Wrapper(true);
	CommandSetWrapperToValue disableWalkFlag = new CommandSetWrapperToValue(
			walkWrapper, false);
	CommandSetWrapperToValue enableWalkFlag = new CommandSetWrapperToValue(
			walkWrapper, true);

	guiSetup.addItemToOptionsMenu(showSearchesList(), "Searches..");
	guiSetup.addItemToOptionsMenu(showCustomsList(), "Custom graphs..");

	guiSetup.addSearchbarToView(guiSetup.getTopView(),
			searchCustomGraphsThenMapsAndDisplayRoute(walkWrapper),
			"Find Directions to..");
	guiSetup.addCheckBoxToView(guiSetup.getTopView(), "By car", false,
			disableWalkFlag, enableWalkFlag);
	guiSetup.addTaskmanagerToView(guiSetup.getTopView());
}