google map my demo

<uses-library android:name="com.google.android.maps" />
	</application>
	<uses-permission android:name="android.permission.INTERNET" />
	<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
	<uses-sdk android:minSdkVersion="3" />
</manifest> 

 

mapview.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
	<com.google.android.maps.MapView android:id="@+id/mapview_mv"
		android:layout_width="fill_parent"
		android:layout_height="fill_parent"
		android:enabled="true"
		android:clickable="true"
		android:apiKey="0HYDh8uGZ3WWc58LxmauEVsNWqAGP_HSGFRzixQ"
	/>
	
	<LinearLayout android:id="@+id/mapview_llayout_zoom"
		android:layout_width="wrap_content"
		android:layout_height="wrap_content"
		android:layout_alignParentBottom="true"
	/>
	
	<RelativeLayout android:id="@+id/mapview_rlayout_search"
		android:layout_width="fill_parent"
		android:layout_height="wrap_content"
		android:orientation="horizontal"
		android:background="@color/darkgray"
		android:visibility="invisible"
		android:paddingTop="8dip"
		android:paddingBottom="4dip"
		android:paddingLeft="8dip"
		android:paddingRight="8dip">
		<AutoCompleteTextView android:id="@+id/mapview_autotxtview_search"
			android:layout_width="245dip"
			android:layout_height="wrap_content"
			android:text="@string/edt_search_default"
			android:textColor="@color/darkgray"
			android:layout_marginRight="6dip"
		/>
		<ImageButton android:id="@+id/mapview_imgbtn_search"
			android:layout_width="wrap_content"
			android:layout_height="wrap_content"
			android:src="@android:drawable/ic_search_category_default"
			android:layout_toRightOf="@id/mapview_autotxtview_search"
			android:layout_alignBottom="@id/mapview_autotxtview_search"
		/>
	</RelativeLayout>
</RelativeLayout>

 

public class ActivityMap extends MapActivity {
	private MapView mMapView;
	private GeoPoint gp;
	
	private LocationManager mLocMgr;
	public static Location mLoc;
	private String strLocInfo;
	
	private final LocationListener mLocListener = new LocationListener() {
		public void onLocationChanged(Location location) {
			refreshMapView(location);
		}
		public void onProviderDisabled(String provider) {
		}
		public void onProviderEnabled(String provider) {
		}
		public void onStatusChanged(String provider, int status, Bundle extras) {
		}
	};
	
	protected void onCreate(Bundle icicle) {
		super.onCreate(icicle);
		setContentView(R.layout.mapview);
		
		mMapView = (MapView) findViewById(R.id.mapview_mv);
		mLocMgr = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
		updateLocation(mLocMgr);
		
		refreshMapView(mLoc);
		
//		mLocMgr.requestLocationUpdates(LocationManager.GPS_PROVIDER, 2000, 10, mLocListener);
		mLocMgr.requestLocationUpdates(strLocInfo, 2000, 10, mLocListener);
		
		// zoom widget
		LinearLayout zoomLayout = (LinearLayout) findViewById(R.id.mapview_llayout_zoom);
        View zoomView = mMapView.getZoomControls();
        zoomLayout.addView(zoomView, new LinearLayout.LayoutParams(
        								LayoutParams.WRAP_CONTENT, 
        								LayoutParams.WRAP_CONTENT));
//        mMapView.displayZoomControls(true);
//        mMapView.setBuiltInZoomControls(true);
//        mMapView.displayZoomControls(false);
	}
	private void refreshMapView(Location location) {
		updateGeoPoint(location);
		MapController mMapController = mMapView.getController();
		mMapController.animateTo(gp);
		mMapController.setZoom(mMapView.getZoomLevel());
		
		try {
			Log.e("************", getAddress(gp));
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	private void updateLocation(LocationManager lm) {
		Criteria mCriteria = new Criteria();
		mCriteria.setAccuracy(Criteria.ACCURACY_FINE); // 经纬度是否精确提供
		mCriteria.setAltitudeRequired(false); // 是否提供高度信息
		mCriteria.setBearingRequired(false); // 是否提供航向信息
		mCriteria.setCostAllowed(true); // 费用
		mCriteria.setPowerRequirement(Criteria.POWER_LOW);
		strLocInfo = lm.getBestProvider(mCriteria, true);
		mLoc = lm.getLastKnownLocation(strLocInfo);
		if (mLoc == null) {
			mLoc = new Location(strLocInfo);
			mLoc.setLatitude(31.183333);
			mLoc.setLongitude(121.483333);
		}
	}
	private void updateGeoPoint(Location location) {
		double dLatitude = location.getLatitude() * 1E6;
		double dLongitude = location.getLongitude() * 1E6;
		gp = new GeoPoint( (int) (dLatitude), (int) (dLongitude) );
	}
	private String getAddress(GeoPoint gp) throws IOException {
		double dLatitude = gp.getLatitudeE6() / 1E6;
		double dLongitude = gp.getLongitudeE6() / 1E6;
		
		//自经纬度取得地址
		StringBuilder sb = new StringBuilder();
		Geocoder gc = new Geocoder(ActivityMap.this, Locale.getDefault());
		List<Address> lstAddr = gc.getFromLocation(dLatitude, dLongitude, 1);
		if (lstAddr.size() > 0) {
			Address addr = lstAddr.get(0);
			for (int i = 0; i < addr.getMaxAddressLineIndex(); i++) {
				sb.append(addr.getAddressLine(i)).append("\n");
			}
			sb.append(addr.getLocality()).append("\n"); //所在地
			sb.append(addr.getPostalCode()).append("\n"); //邮编
			sb.append(addr.getCountryName());
		}
		return sb.toString();
	}
	
	public boolean onCreateOptionsMenu(Menu menu) {
		MenuInflater inflater = getMenuInflater();
		inflater.inflate(R.menu.optionsmenu, menu);
		return super.onCreateOptionsMenu(menu);
	}
	public boolean onOptionsItemSelected(MenuItem item) {
		switch (item.getItemId()) {
		case R.id.optionsmenu_search:
			Intent intent = new Intent();
			intent.setClass(ActivityMap.this, ActivitySearch.class);
			startActivity(intent);
			break;
		case R.id.optionsmenu_directions:
			break;
		case R.id.optionsmenu_mapmode:
			break;
		case R.id.optionsmenu_mapmode_map:
			mMapView.setStreetView(true);
			mMapView.setSatellite(false);
			mMapView.setTraffic(false);
			break;
		case R.id.optionsmenu_mapmode_satellite:
			mMapView.setStreetView(false);
			mMapView.setSatellite(true);
			mMapView.setTraffic(false);
			break;
		case R.id.optionsmenu_mapmode_traffic:
			mMapView.setStreetView(false);
			mMapView.setSatellite(false);
			mMapView.setTraffic(true);
			break;
		case R.id.optionsmenu_myloc:
			MapOverlay mMapOverlay = new MapOverlay();
	        List<Overlay> listOfOverlay = mMapView.getOverlays();
	        listOfOverlay.clear();
	        listOfOverlay.add(mMapOverlay);
	        mMapView.invalidate();
	        updateLocation(mLocMgr);
	        refreshMapView(mLoc);
			break;
		}
		return super.onOptionsItemSelected(item);
	}
	protected boolean isRouteDisplayed() {
		return false;
	}
	
	private class MapOverlay extends com.google.android.maps.Overlay {
		public boolean draw(Canvas canvas, MapView mapView, boolean shadow, long when) {
			super.draw(canvas, mapView, shadow);
			
			// translate the GeoPoint to screen pixels
			Point screenPts = new Point();
			mapView.getProjection().toPixels(gp, screenPts);
			
			// add the marker
			Bitmap bmp = BitmapFactory.decodeResource(getResources(), R.drawable.ic_launcher_android);
			canvas.drawBitmap(bmp, screenPts.x, screenPts.y, null);
			
			return true;
		}
	}
}

 

public class ActivitySearch extends MapActivity {
	private MapView mMapView;
	public static int screen_width, screen_height;
	
	protected void onCreate(Bundle icicle) {
		super.onCreate(icicle);
		setContentView(R.layout.mapview);
		
		screen_width = getWindowManager().getDefaultDisplay().getWidth();
		screen_height = getWindowManager().getDefaultDisplay().getHeight();
		
		mMapView = (MapView) findViewById(R.id.mapview_mv);
		
        MapOverlay mMapOverlay = new MapOverlay();
        List<Overlay> listOfOverlay = mMapView.getOverlays();
        listOfOverlay.clear();
        listOfOverlay.add(mMapOverlay);
        mMapView.invalidate();
		
		RelativeLayout rLayout = (RelativeLayout) findViewById(R.id.mapview_rlayout_search);
		rLayout.setVisibility(View.VISIBLE);
		ImageButton btn_search = (ImageButton) findViewById(R.id.mapview_imgbtn_search);
		btn_search.setOnClickListener(new Button.OnClickListener() {
			public void onClick(View v) {
				
			}
		});
		mMapView.setEnabled(false);
	}
	protected boolean isRouteDisplayed() {
		return false;
	}
	
	private class MapOverlay extends com.google.android.maps.Overlay {
		public boolean draw(Canvas canvas, MapView mapView, boolean shadow, long when) {
			super.draw(canvas, mapView, shadow);
			
			Paint innerPaint = new Paint();
			Paint borderPaint = new Paint();
			innerPaint.setARGB(75, 80, 80, 80); // darkgray
			borderPaint.setARGB(255, 255, 255, 255); // white
			borderPaint.setAntiAlias(true); // 抗锯齿
			borderPaint.setStyle(Style.STROKE); //描边，和Style.Fill相对
			borderPaint.setStrokeWidth(2);
			
		    RectF drawRect = new RectF();
		    drawRect.set(0,0, screen_width, screen_height);
	
		    canvas.drawRoundRect(drawRect, 5, 5, innerPaint);
		    canvas.drawRoundRect(drawRect, 5, 5, borderPaint);
			return true;
		}
	}
}

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