implement showing compass

git-svn-id: https://osmand.googlecode.com/svn/trunk@90 e29c36b1-1cfa-d876-8d93-3434fc2bb7b8

DataExtractionOSM/src/com/osmand/ToDoConstants.java

@@ -13,27 +13,28 @@ public class ToDoConstants {
 	public int DESCRIBE_ABOUT_AUTHORS = 8;
 	
 	// TODO ANDROID
-//	 1. POI search near to map location (show categories & type). First cut. (implement incremental search)
+//  25. POI search near to map location (show categories & type). Second cut. (implement incremental search)
-//	 3. Revise osmand UI. Preparing new icons.
+
-//	 2. Showing compass on the map : use device compass if exists(?)
+//	 3. Revise osmand UI. Preparing new icons (revise UI 18, 2, ).
-//	 5. Search for city/streets/buildings
-//	 9. Configure file log & see log from file (when exception happened to see from device)
-//	 11. Print out additional info speed, altitude, number of satellites
-//	 8. Enable change POI directly on map (requires OSM login)
 //	 13. Save point as favorite & introduce favorite points dialog
 //	 14. Show zoom level on map
-//	 15. Investigate interruption of any long running operation & implement where it is needed
-//   16. Support open street bugs api.
-//   17. Enable go to location by specifying coordinates
-//   18. Implement go to point	
-//   19. Show how map is rotated where north/south on map (do not consider compass)
-//   20. Implement save track/route to gpx (?)
-//   21. Implement zooming tile (if tile doesn't exist local, we can zoom in previous tile).
-//   23. Implement moving point from center to bottom (for rotating map). 
-//       It is not very useful to see what was before.
 
-//   24. Implement ResourceManager on Low memory (clear previous all addresses cities, remove all amenities cache)
+//   24. Implement ResourceManager, load cities/streets/buildings on Low memory (clear previous all addresses cities).
-//       Use async loading tile thread, to preload amenities also.
+//	  5. Search for city/streets/buildings
+//	  9. Configure file log & see log from file (when exception happened to see from device)
+//	 15. Investigate interruption of any long running operation & implement where it is needed
+	
+//   17. Enable go to location by specifying coordinates
+//	 11. Print out additional info speed, altitude, number of satellites
+//   19. Show how map is rotated where north/south on map (do not consider compass)
+//   23. Implement moving point from center to bottom (for rotating map). (+)
+	
+//   21. Implement zooming tile (if tile doesn't exist local, we can zoom in previous tile).
+
+
+//	  8. Enable change POI directly on map (requires OSM login)
+//   16. Support open street bugs api.
+//   20. Implement save track/route to gpx (?)
 	
 	// FIXME Bugs Android :
 	// 0. FIX TODO for partial loading rotated map
@@ -41,6 +42,11 @@ public class ToDoConstants {
 	//      No chance to close application 
 	// 3. Fix progress information (loading indices) for android version
 	// 4. Fix when POI selected & enable button backToLocation
+	// 5. Call ResourceManager.close when it is needed
+	// 6. Understand concept of application where to save/restore global setting 
+	//     (for example reset navigate to point, reset link map with location). It should be reset after user call exit.
+	// 7. Implement search amenities by type (!). 
+	//     Rewrite search activity in order to limit amenities not to all types.
 	
 	// TODO SWING: 
 	// 1. Download tiles without using dir tiles
@@ -49,16 +55,9 @@ public class ToDoConstants {
 	
 	
 	// DONE ANDROID :
-//	 12. Show information of where are you going (the arrow on the map)
+//  18. Implement go to point
-//	 10. Specify auto-rotating map (bearing of your direction)
+//   2. Showing compass on the map : use device compass if exists(?)
-//   22. Investigate 3D tile view (how it is done in osmand). Looking not very good, because of
-//        angle of perspective (best perspective angle = 60) use 
-//  	android.graphics.Camera.rotateX(60), getMatrix(m), canvas.concat(m) (find example in internet)
-//      Problems : to calculate how to drag point on map, to calculate how many tiles are needed, is location visible .... 
-//	 0. Minimize memory used for index & improve time for reading index  
 	
 	// DONE SWING
-	// 3. Reinvent index mechanism (save in zip file with tile indexes, save city/town addresses separately, read partially !)
-	// 4. Invent different file extensions for poi.index, address.index,...	
 
 }

OsmAnd/res/values/strings.xml

@@ -1,5 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
+    <string name="show_view_angle_descr">Show aspect of vew based on compass</string>
+    <string name="show_view_angle">Show aspect of view</string>
     <string name="stop_navigation">Unmark location</string>
     <string name="navigate_to_point">Mark location</string>
     <string name="map_view_3d_descr">Enable 3D view of the map</string>

OsmAnd/res/xml/settings_pref.xml

@@ -6,6 +6,7 @@
 <CheckBoxPreference android:key="use_internet_to_download_tiles" android:title="@string/use_internet" android:summary="@string/use_internet_to_download_tile"></CheckBoxPreference>
 <CheckBoxPreference android:key="show_poi_over_map" android:title="@string/show_poi_over_map" android:summary="@string/show_poi_over_map_description"></CheckBoxPreference>
 <CheckBoxPreference android:key="rotate_map_to_bearing" android:title="@string/rotate_map_to_bearing" android:summary="@string/rotate_map_to_bearing_descr"></CheckBoxPreference>
+<CheckBoxPreference android:key="show_view_angle" android:title="@string/show_view_angle" android:summary="@string/show_view_angle_descr"></CheckBoxPreference>
 </PreferenceCategory>
 <PreferenceCategory android:title="@string/map_source"><ListPreference android:title="@string/map_tile_source" android:summary="@string/map_tile_source_descr" android:key="map_tile_sources"></ListPreference>
 </PreferenceCategory>

OsmAnd/src/com/osmand/AmenityIndexRepository.java

@@ -58,7 +58,7 @@ public class AmenityIndexRepository {
 				}
 			} while(query.moveToNext());
 		}
-		query.deactivate();
+		query.close();
 		
 		if (log.isDebugEnabled()) {
 			log.debug(String.format("Search for %s done in %s ms found %s.", 
@@ -128,6 +128,12 @@ public class AmenityIndexRepository {
 		
 	}
 	
+	public void close(){
+		if(db != null){
+			db.close();
+		}
+	}
+	
 	public String getName() {
 		return name;
 	}

OsmAnd/src/com/osmand/OsmandSettings.java

@@ -30,6 +30,13 @@ public class OsmandSettings {
 		return prefs.getBoolean(SHOW_POI_OVER_MAP, false);
 	}
 	
+	// this value string is synchronized with android.xml preference name
+	public static final String SHOW_VIEW_ANGLE = "show_view_angle";
+	public static boolean isShowingViewAngle(Context ctx){
+		SharedPreferences prefs = ctx.getSharedPreferences(SHARED_PREFERENCES_NAME, Context.MODE_WORLD_READABLE);
+		return prefs.getBoolean(SHOW_VIEW_ANGLE, true);
+	}
+	
 	// this value string is synchronized with android.xml preference name
 	public static final String ROTATE_MAP_TO_BEARING = "rotate_map_to_bearing";
 	public static boolean isRotateMapToBearing(Context ctx){

OsmAnd/src/com/osmand/ResourceManager.java

@@ -148,7 +148,7 @@ public class ResourceManager {
 	// POI INDEX //
 	public void indexingPoi(final IProgress progress) {
 		File file = new File(Environment.getExternalStorageDirectory(), POI_PATH);
-		amenityRepositories.clear();
+		clearAmenities();
 		if (file.exists() && file.canRead()) {
 			for (File f : file.listFiles()) {
 				if (f.getName().endsWith(IndexConstants.POI_INDEX_EXT)) {
@@ -164,7 +164,7 @@ public class ResourceManager {
 		
 	public void indexingAddresses(final IProgress progress){
 		File file = new File(Environment.getExternalStorageDirectory(), ADDRESS_PATH);
-		addressMap.clear();
+		clearAddresses();
 		if (file.exists() && file.canRead()) {
 			for (File f : file.listFiles()) {
 				if (f.getName().endsWith(IndexConstants.ADDRESS_INDEX_EXT)) {
@@ -208,6 +208,23 @@ public class ResourceManager {
 	
 	////////////////////////////////////////////// Working with amenities ////////////////////////////////////////////////
 	
+	public void clearAmenities(){
+		for(AmenityIndexRepository r : amenityRepositories){
+			r.close();
+		}
+		amenityRepositories.clear();
+	}
+	
+	public void clearAddresses(){
+		// TODO close db connections
+		addressMap.clear();
+	}
+
+	public synchronized void close(){
+		clearAmenities();
+		clearAddresses();
+	}
+	
 	/// On low memory method ///
 	public void onLowMemory() {
 		log.info("On low memory : cleaning tiles - size = " + cacheOfImages.size());

OsmAnd/src/com/osmand/activities/MapActivity.java

@@ -5,6 +5,10 @@ import java.text.MessageFormat;
 import android.app.Activity;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.hardware.Sensor;
+import android.hardware.SensorEvent;
+import android.hardware.SensorEventListener;
+import android.hardware.SensorManager;
 import android.location.Location;
 import android.location.LocationListener;
 import android.location.LocationManager;
@@ -33,13 +37,12 @@ import com.osmand.views.POIMapLayer;
 import com.osmand.views.PointLocationLayer;
 import com.osmand.views.PointNavigationLayer;
 
-public class MapActivity extends Activity implements LocationListener, IMapLocationListener {
+public class MapActivity extends Activity implements LocationListener, IMapLocationListener, SensorEventListener {
 	
 	
     /** Called when the activity is first created. */
 	private OsmandMapTileView mapView;
 	
-	private boolean linkLocationWithMap = true; 
 	private ImageButton backToLocation;
 	private ImageButton backToMenu;
 	
@@ -48,7 +51,16 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
 	private POIMapLayer poiMapLayer;
 	
 	private WakeLock wakeLock;
+	private boolean sensorRegistered = false;
 	
+	private final static String BACK_TO_LOCATION = "BACK_TO_LOCATION";
+	private final static String POINT_NAVIGATE_LAT = "POINT_NAVIGATE_LAT";
+	private final static String POINT_NAVIGATE_LON = "POINT_NAVIGATE_LON";
+	
+	
+	private boolean getBackToLocation(){
+		return getPreferences(MODE_WORLD_READABLE).getBoolean(BACK_TO_LOCATION, true);
+	}
 	
     @Override
     public void onCreate(Bundle savedInstanceState) {
@@ -58,7 +70,6 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
 //	     getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,   
 //	                                WindowManager.LayoutParams.FLAG_FULLSCREEN); 
 		
-		
 		setContentView(R.layout.main);
 		mapView = (OsmandMapTileView) findViewById(R.id.MapView);
 		MapTileDownloader.getInstance().addDownloaderCallback(mapView);
@@ -69,6 +80,11 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
 		mapView.addLayer(navigationLayer);
 		locationLayer = new PointLocationLayer();
 		mapView.addLayer(locationLayer);
+		SharedPreferences lprefs = getPreferences(MODE_WORLD_READABLE);
+		if(lprefs.contains(POINT_NAVIGATE_LAT)){
+			navigationLayer.setPointToNavigate(new LatLon(lprefs.getFloat(POINT_NAVIGATE_LAT, 0), 
+					lprefs.getFloat(POINT_NAVIGATE_LON, 0)));
+		}
 		
 		SharedPreferences prefs = getSharedPreferences(OsmandSettings.SHARED_PREFERENCES_NAME, MODE_WORLD_READABLE);
 		if(prefs != null && prefs.contains(OsmandSettings.LAST_KNOWN_MAP_LAT)){
@@ -99,14 +115,13 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
 				mapView.setZoom(mapView.getZoom() - 1);
 			}
 		});
-		
 		backToLocation = (ImageButton)findViewById(R.id.BackToLocation);
-		backToLocation.setVisibility(linkLocationWithMap ? View.INVISIBLE : View.VISIBLE);
+		backToLocation.setVisibility(View.INVISIBLE);
 		backToLocation.setOnClickListener(new OnClickListener(){
 			@Override
 			public void onClick(View v) {
-				if(!linkLocationWithMap){
+				if(!getBackToLocation()){
-					linkLocationWithMap = true;
+					getPreferences(MODE_WORLD_READABLE).edit().putBoolean(BACK_TO_LOCATION, true).commit();
 					backToLocation.setVisibility(View.INVISIBLE);
 					if(locationLayer.getLastKnownLocation() != null){
 						Location lastKnownLocation = locationLayer.getLastKnownLocation();
@@ -132,14 +147,41 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
     @Override
     protected void onDestroy() {
     	super.onDestroy();
+    	SharedPreferences lprefs = getPreferences(MODE_WORLD_READABLE);
+    	if(navigationLayer.getPointToNavigate() == null){
+    		lprefs.edit().remove(POINT_NAVIGATE_LAT).remove(POINT_NAVIGATE_LON).commit();
+    	} else {
+    		LatLon p = navigationLayer.getPointToNavigate();
+    		lprefs.edit().putFloat(POINT_NAVIGATE_LAT, (float) p.getLatitude()).
+    					  putFloat(POINT_NAVIGATE_LON, (float) p.getLongitude()).commit();
+    	}
     	MapTileDownloader.getInstance().removeDownloaderCallback(mapView);
     }
     
     public void setLocation(Location location){
     	// Do very strange manipulation to call redraw only once
+    	
+    	// show point view only if gps enabled
+    	if(location == null){
+    		if(sensorRegistered) {
+    			((SensorManager) getSystemService(SENSOR_SERVICE)).unregisterListener(this);
+    			sensorRegistered = false;
+    			locationLayer.setHeading(null, true);
+    		}
+    	} else {
+    		if(!sensorRegistered && OsmandSettings.isShowingViewAngle(this)){
+    			SensorManager sensorMgr = (SensorManager) getSystemService(SENSOR_SERVICE);
+    			Sensor s = sensorMgr.getDefaultSensor(Sensor.TYPE_ORIENTATION);
+    			if (s != null) {
+    				sensorMgr.registerListener(this, s, SensorManager.SENSOR_DELAY_UI);
+    			}
+    			sensorRegistered = true;
+    		}
+    	}
+    	
     	locationLayer.setLastKnownLocation(location, true);
     	if (location != null) {
-			if (linkLocationWithMap) {
+			if (getBackToLocation()) {
 				if (location.hasBearing() && OsmandSettings.isRotateMapToBearing(this)) {
 					mapView.setRotateWithLocation(-location.getBearing(), location.getLatitude(), location.getLongitude());
 				} else {
@@ -149,7 +191,7 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
 				mapView.prepareImage();
 			}
 		} else {
-			if (!linkLocationWithMap) {
+			if (!getBackToLocation()) {
 				backToLocation.setVisibility(View.VISIBLE);
 			}
 		}
@@ -195,6 +237,11 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
 		super.onPause();
 		LocationManager service = (LocationManager) getSystemService(LOCATION_SERVICE);
 		service.removeUpdates(this);
+		
+		SensorManager sensorMgr = (SensorManager) getSystemService(SENSOR_SERVICE);
+		sensorMgr.unregisterListener(this);
+		sensorRegistered = false;
+		
 		OsmandSettings.setLastKnownMapLocation(this, (float) mapView.getLatitude(), (float) mapView.getLongitude());
 		OsmandSettings.setLastKnownMapZoom(this, mapView.getZoom());
 		if (wakeLock != null) {
@@ -212,6 +259,7 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
 		if(!OsmandSettings.isRotateMapToBearing(this)){
 			mapView.setRotate(0);
 		}
+		
 		if(mapView.getLayers().contains(poiMapLayer) != OsmandSettings.isShowingPoiOverMap(this)){
 			if(OsmandSettings.isShowingPoiOverMap(this)){
 				mapView.addLayer(poiMapLayer);
@@ -222,6 +270,7 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
 		LocationManager service = (LocationManager) getSystemService(LOCATION_SERVICE);
 		service.requestLocationUpdates(LocationManager.GPS_PROVIDER, 2000, 0, this);
 		
+		
 		if (wakeLock == null) {
 			PowerManager powerManager = (PowerManager) getSystemService(POWER_SERVICE);
 			wakeLock = powerManager.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK, "com.osmand.map");
@@ -242,7 +291,7 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
 	public void locationChanged(double newLatitude, double newLongitude, Object source) {
 		// when user start dragging 
 		if(locationLayer.getLastKnownLocation() != null){
-			linkLocationWithMap = false;
+			getPreferences(MODE_WORLD_READABLE).edit().putBoolean(BACK_TO_LOCATION, false).commit();
 			if (backToLocation.getVisibility() != View.VISIBLE) {
 				runOnUiThread(new Runnable() {
 					@Override
@@ -285,4 +334,13 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
     	return super.onOptionsItemSelected(item);
     }
 
+	@Override
+	public void onAccuracyChanged(Sensor sensor, int accuracy) {
+	}
+
+	@Override
+	public void onSensorChanged(SensorEvent event) {
+		locationLayer.setHeading(event.values[0], false);
+	}
+    
 }

OsmAnd/src/com/osmand/activities/SearchActivity.java

@@ -70,7 +70,7 @@ public class SearchActivity extends ListActivity {
 		filter = new TreeMap<AmenityType, List<Amenity>>();
 		LatLon lastKnownMapLocation = OsmandSettings.getLastKnownMapLocation(this);
 		List<Amenity> closestAmenities = resourceManager.searchAmenities(lastKnownMapLocation.getLatitude(),
-				lastKnownMapLocation.getLongitude(), 13, 500);
+				lastKnownMapLocation.getLongitude(), 12, 500);
 		MapUtils.sortListOfMapObject(closestAmenities, lastKnownMapLocation.getLatitude(), lastKnownMapLocation.getLongitude());
 		for (Amenity n : closestAmenities) {
 			AmenityType type = n.getType();

OsmAnd/src/com/osmand/activities/SettingsActivity.java

@@ -24,6 +24,7 @@ public class SettingsActivity extends PreferenceActivity implements OnPreference
 	private CheckBoxPreference useInternetToDownloadTiles;
 	private ListPreference tileSourcePreference;
 	private CheckBoxPreference rotateMapToBearing;
+	private CheckBoxPreference showViewAngle;
 	
     @Override
     public void onCreate(Bundle savedInstanceState) {
@@ -36,6 +37,8 @@ public class SettingsActivity extends PreferenceActivity implements OnPreference
 		showPoiOnMap.setOnPreferenceChangeListener(this);
 		rotateMapToBearing =(CheckBoxPreference) screen.findPreference(OsmandSettings.ROTATE_MAP_TO_BEARING);
 		rotateMapToBearing.setOnPreferenceChangeListener(this);
+		showViewAngle =(CheckBoxPreference) screen.findPreference(OsmandSettings.SHOW_VIEW_ANGLE);
+		showViewAngle.setOnPreferenceChangeListener(this);
 		
 		tileSourcePreference =(ListPreference) screen.findPreference(OsmandSettings.MAP_TILE_SOURCES);
 		tileSourcePreference.setOnPreferenceChangeListener(this);
@@ -49,6 +52,7 @@ public class SettingsActivity extends PreferenceActivity implements OnPreference
 		useInternetToDownloadTiles.setChecked(OsmandSettings.isUsingInternetToDownloadTiles(this));
 		showPoiOnMap.setChecked(OsmandSettings.isShowingPoiOverMap(this));
 		rotateMapToBearing.setChecked(OsmandSettings.isRotateMapToBearing(this));
+		showViewAngle.setChecked(OsmandSettings.isShowingViewAngle(this));
 
 		List<TileSourceTemplate> list = TileSourceManager.getKnownSourceTemplates();
 		String[] entries = new String[list.size()];
@@ -77,6 +81,9 @@ public class SettingsActivity extends PreferenceActivity implements OnPreference
 		} else if(preference == rotateMapToBearing){
 			edit.putBoolean(OsmandSettings.ROTATE_MAP_TO_BEARING, (Boolean) newValue);
 			edit.commit();
+		} else if(preference == showViewAngle){
+			edit.putBoolean(OsmandSettings.SHOW_VIEW_ANGLE, (Boolean) newValue);
+			edit.commit();
 		} else if (preference == tileSourcePreference) {
 			edit.putString(OsmandSettings.MAP_TILE_SOURCES, (String) newValue);
 			edit.commit();

OsmAnd/src/com/osmand/views/PointLocationLayer.java

@@ -5,6 +5,7 @@ import android.graphics.Color;
 import android.graphics.Matrix;
 import android.graphics.Paint;
 import android.graphics.Path;
+import android.graphics.RectF;
 import android.graphics.Paint.Style;
 import android.location.Location;
 import android.view.MotionEvent;
@@ -12,14 +13,22 @@ import android.view.MotionEvent;
 import com.osmand.osm.MapUtils;
 
 public class PointLocationLayer implements OsmandMapLayer {
+	protected final static int RADIUS = 7;
+	protected final static int HEADING_RADIUS = 60;
+	protected final static float HEADING_ANGLE = 60;
+	
 	private Paint location;
 	private Paint bearing;
 	private Paint area;
+	private Paint headingPaint;
+	private Path pathForDirection;
 	
 	protected Location lastKnownLocation = null;
-	protected final static int RADIUS = 7;
+	
 	private OsmandMapTileView view;
-	private Path pathForDirection;
+	
+	private Float heading = null;
+	
 
 	private void initUI() {
 		location = new Paint();
@@ -31,6 +40,12 @@ public class PointLocationLayer implements OsmandMapLayer {
 		area.setColor(Color.BLUE);
 		area.setAlpha(40);		
 		
+		headingPaint = new Paint();
+		headingPaint.setColor(Color.BLUE);
+		headingPaint.setAlpha(50);
+		headingPaint.setAntiAlias(true);
+		headingPaint.setStyle(Style.FILL);
+		
 		bearing = new Paint();
 		bearing.setColor(Color.BLUE);
 		bearing.setAlpha(150);
@@ -51,6 +66,10 @@ public class PointLocationLayer implements OsmandMapLayer {
 		return false;
 	}
 	
+	private RectF getHeadingRect(int locationX, int locationY){
+		int rad = Math.min(3*view.getWidth()/8, 3*view.getHeight()/8);
+		return new RectF(locationX - rad, locationY - rad, locationX + rad, locationY + rad);
+	}
 	
 	// TODO simplify calculation if possible
 	@Override
@@ -67,6 +86,11 @@ public class PointLocationLayer implements OsmandMapLayer {
 			if (radius > RADIUS) {
 				canvas.drawCircle(locationX, locationY, radius, area);
 			}
+			if(heading != null){
+				canvas.drawArc(getHeadingRect(locationX, locationY), 
+						heading - HEADING_ANGLE/ 2 - 90, HEADING_ANGLE, true, headingPaint);
+			}
+			
 			if(lastKnownLocation.hasBearing()){
 				float bearing = lastKnownLocation.getBearing();
 				int radiusBearing = 30;
@@ -84,7 +108,7 @@ public class PointLocationLayer implements OsmandMapLayer {
 				pathForDirection.lineTo(0, 0);
 				Matrix m = new Matrix();
 				m.reset();
-				m.postScale(1, radiusBearing*0.5f);
+				m.postScale(1, radiusBearing * 0.5f);
 				m.postTranslate(0, -radiusBearing);
 				m.postTranslate(locationX, locationY);
 				m.postRotate(bearing, locationX, locationY);
@@ -93,8 +117,6 @@ public class PointLocationLayer implements OsmandMapLayer {
 				canvas.drawPath(pathForDirection, this.bearing);
 			}
 			
-			
-
 		}
 	}
 
@@ -110,6 +132,17 @@ public class PointLocationLayer implements OsmandMapLayer {
 		return lastKnownLocation;
 	}
 	
+	public void setHeading(Float heading, boolean doNotRedraw){
+		this.heading = heading;
+		if(!doNotRedraw && isLocationVisible(this.lastKnownLocation)){
+			view.prepareImage();
+		}
+	}
+	
+	public Float getHeading() {
+		return heading;
+	}
+	
 	public void setLastKnownLocation(Location lastKnownLocation, boolean doNotRedraw) {
 		this.lastKnownLocation = lastKnownLocation;
 		if (!doNotRedraw) {

OsmAnd/src/com/osmand/views/PointNavigationLayer.java

@@ -64,8 +64,8 @@ public class PointNavigationLayer implements OsmandMapLayer {
 			float bearing = calculations[1];
 			pathForDirection.reset();
 			pathForDirection.moveTo(0, 0);
-			pathForDirection.lineTo(0.5f, 1f);
+			pathForDirection.lineTo(0.5f, 1.5f);
-			pathForDirection.lineTo(-0.5f, 1f);
+			pathForDirection.lineTo(-0.5f, 1.5f);
 			pathForDirection.lineTo(0, 0);
 			float radiusBearing = DIST_TO_SHOW ;
 			Matrix m = new Matrix();