fixing bugs with routing

implementing features

git-svn-id: https://osmand.googlecode.com/svn/trunk@188 e29c36b1-1cfa-d876-8d93-3434fc2bb7b8

DataExtractionOSM/src/com/osmand/ToDoConstants.java

@@ -7,14 +7,6 @@ package com.osmand;
  * Do not worry to put ugly code here (just a little piece)
  */
 public class ToDoConstants {
-	// FIXES for 0.1 versions : 
-	// 1. Map tile downloader : 
-//	while(!threadPoolExecutor.getQueue().isEmpty()){
-//		try {
-//			threadPoolExecutor.getQueue().take();
-//		} catch (InterruptedException e) {
-//		}
-//	}
 	
 	/**
 	 * Write activity to show something about authors / donation ....
@@ -22,7 +14,6 @@ public class ToDoConstants {
 	public int DESCRIBE_ABOUT_AUTHORS = 8;
 	
 	 // TODO ANDROID 
-
 //   42. Revise UI (icons/layouts). Support different devices. Add inactive/focus(!) icon versions.
 //		 Some icons are not fine (as back menu from map - it is blured).
 	
@@ -38,27 +29,25 @@ public class ToDoConstants {
 	
 	
 	// FUTURE RELEASES
-	//   49. Calculate route from specified point (not from your location only)
 	//   48. Enable change favorite point :  (for example fav - "car") means last point you left car. It is not static point, 
 	//		 you can always use the same name for different locations.
-	//   50. Invent opening hours editor in order to edit POI hours better on device
+	//   51. Implement console application that prepare indexes to upload on server... 
-	//   48. Implement console application that prepare indexes to upload on server... 
 	// 		 0) run in background 1) download from internet 2) generates indices for Europe (take care about memory) 3) upload?
+	//   50. Invent opening hours editor in order to edit POI hours better on device
+	//   52. Make good distribution of POI on map (when POI a lot they are coupling in one place on the south)
     //   43. Enable poi filter by name
+	//   46. Implement downloading strategy for tiles : select max zoom to download [16,15,14,...]
+	// 		 That means you can save internet because from [16 -> zoom -> 18], [14 -> zoom -> 16 - suitable for speed > 40], ...
 	//   45. Get clear <Use internet> settings. Move that setting on top settings screen. 
 	//       That setting should rule all activities that use internet. It should ask whenever internet is used 
 	//		(would you like to use internet for that operation - if using internet is not checked). 
 	//		Internet using now for : edit POI osm, show osm bugs layer, download tiles.
 	//   47. Internet connectivity could be checked before trying to use
-	//   46. Implement downloading strategy for tiles (do not load 17 zoom, load only 16 for example) - try to scale 15 zoom for 17 (?)
     //   40. Support simple vector road rendering (require new index file) (?)
     //   26. Show the whole street on map (when it is chosen in search activity). Possibly extend that story to show layer with streets. (?)
 
 	
 	// BUGS Android
-	//  5. Improvement : Implement caching files existing on FS, implement specific method in RM
-	//     Introducing cache of file names that are on disk (creating new File() consumes a lot of memory)
-	
 	
 	// TODO swing
 	// 9. Fix issues with big files (such as netherlands) - save memory (!) - very slow due to transport index !
@@ -70,6 +59,7 @@ public class ToDoConstants {
 	// BUGS Swing
 	
 	// DONE ANDROID :
+	//  49. Calculate route from specified point (not from your location only)
     //  37. Get rid of exit button (!). Think about when notification should go & how clear resources if it is necessary
     //      DONE : add to app settings preference (Refresh indexes).
 	//  31. Translation.

DataExtractionOSM/src/com/osmand/map/TileSourceManager.java

@@ -58,7 +58,8 @@ public class TileSourceManager {
 
 		@Override
 		public String getUrlToLoad(int x, int y, int zoom) {
-			return MessageFormat.format(urlToLoad, zoom, x, y);
+			// use int to string not format numbers! (non-nls)
+			return MessageFormat.format(urlToLoad, zoom+"", x+"", y+""); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 		}
 
 

DataExtractionOSM/src/messages.properties

@@ -45,4 +45,6 @@ poi_filter_for_tourists = For tourists
 
 poi_filter_fuel = Fuel
 
+reading_cached_tiles = Reading cached tiles...
+
 version_index_is_not_supported = The version of index ''{0}'' is not supported

DataExtractionOSM/src/messages_ru.properties

@@ -45,4 +45,6 @@ poi_filter_for_tourists = \u0414\u043B\u044F \u0442\u0443\u0440\u0438\u0441\u044
 
 poi_filter_fuel = \u0417\u0430\u043F\u0440\u0430\u0432\u043A\u0438
 
+reading_cached_tiles = \u0427\u0442\u0435\u043D\u0438\u0435 \u043A\u044D\u0448\u0438\u0440\u043E\u0432\u0430\u043D\u043D\u044B\u0445 \u0442\u0430\u0439\u043B\u043E\u0432...
+
 version_index_is_not_supported = \u0412\u0435\u0440\u0441\u0438\u044F \u0438\u043D\u0434\u0435\u043A\u0441\u0430 ''{0}'' \u043D\u0435 \u043F\u043E\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044F

OsmAnd/res/menu/map_menu.xml

@@ -5,7 +5,7 @@
 <item android:title="@string/mark_point" android:id="@+id/map_mark_point" android:icon="@android:drawable/ic_menu_mylocation"></item>
 <item android:title="@string/show_gps_status" android:id="@+id/map_show_gps_status" android:icon="@android:drawable/ic_menu_compass"></item>
 <item android:id="@+id/map_navigate_to_point" android:title="@string/stop_navigation" android:visible="false" android:icon="@android:drawable/ic_menu_close_clear_cancel"></item>
-<item android:id="@+id/map_reload_tile" android:title="@string/update_tile" android:icon="@android:drawable/ic_menu_view"></item>
+<item android:id="@+id/map_get_directions" android:title="@string/get_directions" android:icon="@android:drawable/ic_menu_directions"></item>
 <item android:title="@string/map_specify_point" android:id="@+id/map_specify_point" android:icon="@android:drawable/ic_menu_search"></item>
 <item android:id="@+id/map_show_settings" android:title="@string/settings_Button" android:icon="@android:drawable/ic_menu_preferences"></item>
 </group>

OsmAnd/res/values-ru-rRU/strings.xml

@@ -1,5 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
+	<string name="only_show">Только показать</string>
+	<string name="follow">Следовать</string>
+	<string name="recalculate_route_to_your_location">Пересчитывать маршрут в зависимости от местоположения</string>
+	<string name="follow_route">Следовать по маршруту</string>
+	<string name="mark_final_location_first">Отметьте сначала точку назначения</string>
+	<string name="get_directions">Маршрут</string>
 	<string name="gps_status_app_not_found">Приложение Gps status не найдено</string>
 	<string name="show_gps_status">GPS статус</string>
 	<string name="opening_hours">Рабочие часы: </string>
@@ -128,7 +134,7 @@
 <string name="interval_30_seconds">30 секунд</string>
 <string name="interval_1_minute">1 минута</string>
 <string name="interval_5_minutes">5 минут</string>
-<string name="navigate_point_top_text">Введите широту и долготу в выбранном формате (Г - градусы, М - минуты, С - секунды)</string>
+<string name="navigate_point_top_text">Введите широту и долготу в формате (Г - градусы, М - минуты, С - секунды)</string>
 <string name="navigate_point_latitude">Широта</string>
 <string name="navigate_point_longitude">Долгота</string>
 <string name="navigate_point_format_D">ГГГ.ГГГГ</string>
@@ -158,7 +164,7 @@
 <string name="add_favorite_dialog_favourite_added_template">Точка '{0}' была успешно добавлена к Избранным.</string>
 
 <string name="favourites_context_menu_title">Контекстное меню</string>
-<string name="favourites_context_menu_navigate">Показать</string>
+<string name="favourites_context_menu_navigate">Идти к</string>
 <string name="favourites_context_menu_edit">Редактировать точку</string>
 <string name="favourites_context_menu_delete">Удалить точку</string>
 <string name="favourites_edit_dialog_title">Введите новое имя точки</string>

OsmAnd/res/values/strings.xml

@@ -1,5 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
+	<string name="only_show">Only show</string>
+	<string name="follow">Follow</string>
+	<string name="recalculate_route_to_your_location">Recalculate route according to your location</string>
+	<string name="follow_route">Follow to the route</string>
+	<string name="mark_final_location_first">Please mark point navigate to first</string>
+	<string name="get_directions">Directions</string>
 	<string name="gps_status_app_not_found">Gps status app could not be found</string>
     <string name="show_gps_status">Show gps status</string>
 	<string name="opening_hours">Opening hours : </string>

OsmAnd/src/com/osmand/ResourceManager.java

@@ -55,6 +55,7 @@ public class ResourceManager {
 	protected final int maxImgCacheSize = 64;
 	
 	protected Map<String, Bitmap> cacheOfImages = new LinkedHashMap<String, Bitmap>();
+	protected Map<String, Boolean> imagesOnFS = new LinkedHashMap<String, Boolean>() ;
 	
 	protected File dirWithTiles ;
 	
@@ -82,52 +83,99 @@ public class ResourceManager {
 	
 	////////////////////////////////////////////// Working with tiles ////////////////////////////////////////////////
 	
-	public Bitmap getTileImageForMapAsync(ITileSource map, int x, int y, int zoom, boolean loadFromInternetIfNeeded) {
+	public void indexingImageTiles(IProgress progress){
-		return getTileImageForMap(map, x, y, zoom, loadFromInternetIfNeeded, false, true);
+		progress.startTask(Messages.getMessage("reading_cached_tiles"), -1); //$NON-NLS-1$
+		imagesOnFS.clear();
+		for(File c : dirWithTiles.listFiles()){
+			indexImageTilesFS("", c); //$NON-NLS-1$
+		}
+	}
+	
+	private void indexImageTilesFS(String prefix, File f){
+		if(f.isDirectory()){
+			for(File c : f.listFiles()){
+				indexImageTilesFS(prefix +f.getName() +"/" , c); //$NON-NLS-1$
+			}
+		} else if(f.getName().endsWith(".tile")){ //$NON-NLS-1$
+			imagesOnFS.put(prefix + f.getName(), Boolean.TRUE);
+		}
 	}
 	
 	
-	public Bitmap getTileImageFromCache(ITileSource map, int x, int y, int zoom){
+	public Bitmap getTileImageForMapAsync(String file, ITileSource map, int x, int y, int zoom, boolean loadFromInternetIfNeeded) {
-		return getTileImageForMap(map, x, y, zoom, false, false, false);
+		return getTileImageForMap(file, map, x, y, zoom, loadFromInternetIfNeeded, false, true);
 	}
 	
-	public Bitmap getTileImageForMapSync(ITileSource map, int x, int y, int zoom, boolean loadFromInternetIfNeeded) {
+	
-		return getTileImageForMap(map, x, y, zoom, loadFromInternetIfNeeded, true, true);
+	public Bitmap getTileImageFromCache(String file){
+		return cacheOfImages.get(file);
 	}
 	
-	public boolean tileExistOnFileSystem(ITileSource map, int x, int y, int zoom){
+	
-		// TODO implement
+	public Bitmap getTileImageForMapSync(String file, ITileSource map, int x, int y, int zoom, boolean loadFromInternetIfNeeded) {
-		return false;
+		return getTileImageForMap(file, map, x, y, zoom, loadFromInternetIfNeeded, true, true);
 	}
 	
-	public void clearTileImageForMap(ITileSource map, int x, int y, int zoom){
+	public synchronized void tileDownloaded(String file){
-		getTileImageForMap(map, x, y, zoom, true, false, false, true);
+		imagesOnFS.put(file, Boolean.TRUE);
 	}
-	protected Bitmap getTileImageForMap(ITileSource map, int x, int y, int zoom, 
+	
+	public synchronized boolean tileExistOnFileSystem(String file){
+		if(!imagesOnFS.containsKey(file)){
+			if(new File(dirWithTiles, file).exists()){
+				imagesOnFS.put(file, Boolean.TRUE);
+			} else {
+				imagesOnFS.put(file, null);
+			}
+		}
+		return imagesOnFS.get(file) != null;		
+	}
+	
+	public void clearTileImageForMap(String file, ITileSource map, int x, int y, int zoom){
+		getTileImageForMap(file, map, x, y, zoom, true, false, true, true);
+	}
+	
+	/**
+	 * @param file - null could be passed if you do not call very often with that param
+	 */
+	protected Bitmap getTileImageForMap(String file, ITileSource map, int x, int y, int zoom, 
 			boolean loadFromInternetIfNeeded, boolean sync, boolean loadFromFs) {
-		return getTileImageForMap(map, x, y, zoom, loadFromInternetIfNeeded, sync, loadFromFs, false);
+		return getTileImageForMap(file, map, x, y, zoom, loadFromInternetIfNeeded, sync, loadFromFs, false);
 	}
-	
+
 	// introduce cache in order save memory
 	protected StringBuilder builder = new StringBuilder(40);
-	protected synchronized Bitmap getTileImageForMap(ITileSource map, int x, int y, int zoom, 
+	public synchronized String calculateTileId(ITileSource map, int x, int y, int zoom){
-			boolean loadFromInternetIfNeeded, boolean sync, boolean loadFromFs, boolean deleteBefore) {
-		if (map == null) {
-			return null;
-		}
 		builder.setLength(0);
 		builder.append(map.getName()).append('/').append(zoom).	append('/').append(x).
 				append('/').append(y).append(map.getTileFormat()).append(".tile"); //$NON-NLS-1$
 		String file = builder.toString();
+		return file;
+	}
+	
+
+	protected synchronized Bitmap getTileImageForMap(String file, ITileSource map, int x, int y, int zoom,
+			boolean loadFromInternetIfNeeded, boolean sync, boolean loadFromFs, boolean deleteBefore) {
+		if (file == null) {
+			file = calculateTileId(map, x, y, zoom);
+			if(file == null){
+				return null;
+			}
+		}
+		
 		if(deleteBefore){
 			cacheOfImages.remove(file);
 			File f = new File(dirWithTiles, file);
 			if(f.exists()){
 				f.delete();
+				imagesOnFS.put(file, null);
 			}
 		}
 		
 		if (loadFromFs && cacheOfImages.get(file) == null) {
+			if(!loadFromInternetIfNeeded && !tileExistOnFileSystem(file)){
+				return null;
+			}
 			String url = loadFromInternetIfNeeded ? map.getUrlToLoad(x, y, zoom) : null;
 			TileLoadDownloadRequest req = new TileLoadDownloadRequest(dirWithTiles, file, url, new File(dirWithTiles, file), 
 					x, y, zoom);
@@ -177,6 +225,8 @@ public class ResourceManager {
 
 	public List<String> reloadIndexes(IProgress progress){
 		close();
+		// do it lazy
+		// indexingImageTiles(progress);
 		List<String> warnings = new ArrayList<String>();
 		warnings.addAll(indexingPoi(progress));
 		warnings.addAll(indexingAddresses(progress));
@@ -296,6 +346,7 @@ public class ResourceManager {
 	}
 
 	public synchronized void close(){
+		imagesOnFS.clear();
 		closeAmenities();
 		closeAddresses();
 	}

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

@@ -24,6 +24,7 @@ import android.location.Location;
 import android.location.LocationListener;
 import android.location.LocationManager;
 import android.location.LocationProvider;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.PowerManager;
 import android.os.PowerManager.WakeLock;
@@ -50,6 +51,8 @@ import com.osmand.activities.FavouritesActivity.FavouritePoint;
 import com.osmand.activities.FavouritesActivity.FavouritesDbHelper;
 import com.osmand.activities.search.SearchActivity;
 import com.osmand.data.preparation.MapTileDownloader;
+import com.osmand.data.preparation.MapTileDownloader.DownloadRequest;
+import com.osmand.data.preparation.MapTileDownloader.IMapDownloaderCallback;
 import com.osmand.map.IMapLocationListener;
 import com.osmand.osm.LatLon;
 import com.osmand.osm.MapUtils;
@@ -65,7 +68,12 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
 
 	private static final String GPS_STATUS_ACTIVITY = "com.eclipsim.gpsstatus2.GPSStatus"; //$NON-NLS-1$
 	private static final String GPS_STATUS_COMPONENT = "com.eclipsim.gpsstatus2"; //$NON-NLS-1$
-//	private static final String GPS_STATUS_ACTIVITY = "com.eclipsim.gpsstatus2"; //$NON-NLS-1$
+	
+	private static final int GPS_TIMEOUT_REQUEST = 2000;
+	private static final int GPS_DIST_REQUEST = 5;
+	
+	private boolean providerSupportsBearing = false;
+	private boolean providerSupportsSpeed = false;
 	
     /** Called when the activity is first created. */
 	private OsmandMapTileView mapView;
@@ -80,13 +88,13 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
 	private OsmBugsLayer osmBugsLayer;
 	private SavingTrackHelper savingTrackHelper;
 	private RoutingHelper routingHelper;
+	private boolean calculateRouteOnGps = true;
 	private RouteLayer routeLayer;
 	
 	private WakeLock wakeLock;
 	private boolean sensorRegistered = false;
 
 	private MenuItem navigateToPointMenu;
-
 	private NotificationManager mNotificationManager;
 	private int APP_NOTIFICATION_ID;
 	
@@ -120,7 +128,18 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
 		setContentView(R.layout.main);
 		
 		mapView = (OsmandMapTileView) findViewById(R.id.MapView);
-		MapTileDownloader.getInstance().addDownloaderCallback(mapView);
+		MapTileDownloader.getInstance().addDownloaderCallback(new IMapDownloaderCallback(){
+			@Override
+			public void tileDownloaded(DownloadRequest request) {
+				if(request != null && !request.error && request.fileToSave != null){
+					ResourceManager mgr = ResourceManager.getResourceManager();
+					String tile = mgr.calculateTileId(mapView.getMap(), request.xTile, request.yTile, request.zoom);
+					mgr.tileDownloaded(tile);
+				}
+				mapView.tileDownloaded(request);
+			}
+		});
+		
 		mapView.setMapLocationListener(this);
 		poiMapLayer = new POIMapLayer();
 		mapView.addLayer(poiMapLayer);
@@ -145,7 +164,10 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
 		LatLon pointToNavigate = OsmandSettings.getPointToNavigate(this);
 		if(OsmandSettings.isUsingInternetToCalculateRoute(this)){
 			routingHelper.setAppMode(OsmandSettings.getApplicationMode(this));
+			calculateRouteOnGps = true;
 			routingHelper.setFinalLocation(pointToNavigate);
+		} else {
+			routingHelper.setFinalLocation(null);
 		}
 		navigationLayer.setPointToNavigate(pointToNavigate);
 		
@@ -279,8 +301,7 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
     
     
     
-    public void setLocation(Location location){
+    private void registerUnregisterSensor(Location location){
-    	
     	// show point view only if gps enabled
     	if(location == null){
     		if(sensorRegistered) {
@@ -300,22 +321,35 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
     			sensorRegistered = true;
     		}
     	}
-		// TODO delete !!! (only for test purposes) devices support that information (possibly keep for other providers?)
+    }
-    	if(!location.hasSpeed() && locationLayer.getLastKnownLocation() != null){
+    
-    		float d = location.distanceTo(locationLayer.getLastKnownLocation());
+    private void updateSpeedBearing(Location location) {
-    		if(d > 100){
+		// For gps it's bad way. It's widely used for testing purposes
-    			d = 100;
+    	if(!providerSupportsSpeed && locationLayer.getLastKnownLocation() != null){
-    		}
+    		if (locationLayer.getLastKnownLocation().distanceTo(location) > 3) {
-    		location.setSpeed(d);
+				float d = location.distanceTo(locationLayer.getLastKnownLocation());
+				if (d > 100) {
+					d = 100;
+				}
+				location.setSpeed(d);
+			}
     	}
-    	if(!location.hasBearing() && locationLayer.getLastKnownLocation() != null){
+    	if(!providerSupportsBearing && locationLayer.getLastKnownLocation() != null){
     		if(locationLayer.getLastKnownLocation().distanceTo(location) > 10){
     			location.setBearing(locationLayer.getLastKnownLocation().bearingTo(location));
     		}
     	}
+	}
+    
+    public void setLocation(Location location){
+    	
+    	registerUnregisterSensor(location);
+    	updateSpeedBearing(location);
     	
     	locationLayer.setLastKnownLocation(location);
-    	routingHelper.setCurrentLocation(location);
+    	if(calculateRouteOnGps){
+    		routingHelper.setCurrentLocation(location);
+    	}
     	if (location != null) {
 			if (isMapLinkedToLocation()) {
 				if(OsmandSettings.isAutoZoomEnabled(this) && location.hasSpeed()){
@@ -344,13 +378,15 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
     	speed *= 3.6;
     	if(speed < 4){
     		return currentZoom;
-    	} else if(speed < 20){
+    	} else if(speed < 30){
+    		// less than 30 - show 17 
     		return 17;
-    	} else if(speed < 45){
+    	} else if(speed < 50){
     		return 16;
     	} else if(speed < 80){
     		return 15;
     	}
+    	// more than 80 - show 14 (it is slow)
     	return 14;
     }
 
@@ -360,10 +396,11 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
 		} else {
 			OsmandSettings.clearPointToNavigate(this);
 		}
-		routingHelper.setFinalLocation(point);
+		if(OsmandSettings.isUsingInternetToCalculateRoute(this)){
-		// TODO do it more clear
+			calculateRouteOnGps = true;
-		if(routingHelper.getLastFixedLocation() != null){
+			routingHelper.setFinalLocation(point);
-			routingHelper.setCurrentLocation(routingHelper.getLastFixedLocation());
+		} else {
+			routingHelper.setFinalLocation(null);
 		}
 		navigationLayer.setPointToNavigate(point);
 		updateNavigateToPointMenu();
@@ -404,10 +441,33 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
 	public void onProviderEnabled(String provider) {
 	}
 
+	
+	private boolean isRunningOnEmulator(){
+		if (Build.DEVICE.equals("generic")) { //$NON-NLS-1$ 
+			return true;
+		}  
+		return false;
+	}
+	
 	@Override
 	public void onStatusChanged(String provider, int status, Bundle extras) {
-		if(LocationProvider.OUT_OF_SERVICE == status){
+		LocationManager service = (LocationManager) getSystemService(LOCATION_SERVICE);
-			setLocation(null);
+		if (LocationManager.GPS_PROVIDER.equals(provider)) {
+			LocationProvider prov = service.getProvider(LocationManager.NETWORK_PROVIDER);
+			if (LocationProvider.OUT_OF_SERVICE == status || LocationProvider.TEMPORARILY_UNAVAILABLE == status) {
+				if(LocationProvider.OUT_OF_SERVICE == status){
+					setLocation(null);
+				}
+				service.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, GPS_TIMEOUT_REQUEST, GPS_DIST_REQUEST, this);
+				providerSupportsBearing = prov == null ? false : prov.supportsBearing() && !isRunningOnEmulator();
+				providerSupportsSpeed = prov == null ? false : prov.supportsSpeed() && !isRunningOnEmulator();
+			} else if (LocationProvider.AVAILABLE == status) {
+				service.removeUpdates(this);
+				service.requestLocationUpdates(LocationManager.GPS_PROVIDER, GPS_TIMEOUT_REQUEST, GPS_DIST_REQUEST, this);
+				prov = service.getProvider(LocationManager.GPS_PROVIDER);
+				providerSupportsBearing = prov == null ? false : prov.supportsBearing() && !isRunningOnEmulator();
+				providerSupportsSpeed = prov == null ? false : prov.supportsSpeed() && !isRunningOnEmulator();
+			}
 		}
 	}
 	
@@ -470,7 +530,16 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
 		}
 		
 		LocationManager service = (LocationManager) getSystemService(LOCATION_SERVICE);
-		service.requestLocationUpdates(LocationManager.GPS_PROVIDER, 2000, 0, this);
+		
+		service.requestLocationUpdates(LocationManager.GPS_PROVIDER, GPS_TIMEOUT_REQUEST, GPS_DIST_REQUEST, this);
+		LocationProvider prov = service.getProvider(LocationManager.GPS_PROVIDER);
+		if(!service.isProviderEnabled(LocationManager.GPS_PROVIDER)){
+			service.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, GPS_TIMEOUT_REQUEST, GPS_DIST_REQUEST, this);
+			prov = service.getProvider(LocationManager.NETWORK_PROVIDER);
+		}
+		
+		providerSupportsBearing = prov == null ? false : prov.supportsBearing() && !isRunningOnEmulator();
+		providerSupportsSpeed = prov == null ? false : prov.supportsSpeed() && !isRunningOnEmulator();
 		
 		
 		if (wakeLock == null) {
@@ -559,8 +628,8 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
 		} else if (item.getItemId() == R.id.map_mark_point) {
 			contextMenuPoint(mapView.getLatitude(), mapView.getLongitude(), true);
 			return true;
-		} else if (item.getItemId() == R.id.map_reload_tile) {
+		} else if (item.getItemId() == R.id.map_get_directions) {
-			reloadTile(mapView.getZoom(), mapView.getLatitude(), mapView.getLongitude());
+			getDirections(mapView.getLatitude(), mapView.getLongitude());
 			return true;
 		} else if (item.getItemId() == R.id.map_specify_point) {
 			openChangeLocationDialog();
@@ -575,6 +644,40 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
     	return super.onOptionsItemSelected(item);
     }
     
+    protected void getDirections(final double lat, final double lon){
+    	if(navigationLayer.getPointToNavigate() == null){
+			Toast.makeText(this, R.string.mark_final_location_first, Toast.LENGTH_LONG).show();
+			return;
+		}
+    	Builder builder = new AlertDialog.Builder(this);
+    	builder.setTitle(R.string.follow_route);
+    	builder.setMessage(R.string.recalculate_route_to_your_location);
+    	builder.setPositiveButton(R.string.follow, new DialogInterface.OnClickListener(){
+			@Override
+			public void onClick(DialogInterface dialog, int which) {
+				routingHelper.setFinalLocation(navigationLayer.getPointToNavigate());
+				Location map = new Location("map"); //$NON-NLS-1$
+				map.setLatitude(lat);
+				map.setLongitude(lon);
+				calculateRouteOnGps = true;
+				routingHelper.setFinalAndCurrentLocation(navigationLayer.getPointToNavigate(), map);
+			}
+    	});
+    	builder.setNegativeButton(R.string.only_show, new DialogInterface.OnClickListener(){
+
+			@Override
+			public void onClick(DialogInterface dialog, int which) {
+				
+				Location map = new Location("map"); //$NON-NLS-1$
+				map.setLatitude(lat);
+				map.setLongitude(lon);
+				calculateRouteOnGps = false;
+				routingHelper.setFinalAndCurrentLocation(navigationLayer.getPointToNavigate(), map);
+			}
+    	});
+    	builder.show();
+    }
+    
     protected void reloadTile(final int zoom, final double latitude, final double longitude){
     	Builder builder = new AlertDialog.Builder(this);
     	builder.setMessage(R.string.context_menu_item_update_map_confirm);
@@ -584,7 +687,7 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
 			public void onClick(DialogInterface dialog, int which) {
 				int x = (int) MapUtils.getTileNumberX(zoom, longitude);
 				int y = (int) MapUtils.getTileNumberY(zoom, latitude);
-				ResourceManager.getResourceManager().clearTileImageForMap(mapView.getMap(), x, y, zoom);
+				ResourceManager.getResourceManager().clearTileImageForMap(null, mapView.getMap(), x, y, zoom);
 				mapView.refreshMap();
 			}
     	});
@@ -594,23 +697,13 @@ public class MapActivity extends Activity implements LocationListener, IMapLocat
     protected void contextMenuPoint(final double latitude, final double longitude, boolean menu){
     	Builder builder = new AlertDialog.Builder(this);
     	Resources resources = this.getResources();
-    	String[] res;
+    	String[] res = new String[]{
-    	if(menu){
-    		res = new String[]{
-    			resources.getString(R.string.context_menu_item_navigate_point),
-    			resources.getString(R.string.context_menu_item_add_favorite),
-    			resources.getString(R.string.context_menu_item_open_bug),
-    			resources.getString(R.string.context_menu_item_create_poi),
-    		};
-    	} else {
-    		res = new String[]{
         			resources.getString(R.string.context_menu_item_navigate_point),
         			resources.getString(R.string.context_menu_item_add_favorite),
         			resources.getString(R.string.context_menu_item_open_bug),
         			resources.getString(R.string.context_menu_item_create_poi),
         			resources.getString(R.string.context_menu_item_update_map),
         	};
-    	}
     	builder.setItems(res, new DialogInterface.OnClickListener(){
 
 			@Override

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

@@ -68,8 +68,16 @@ public class RoutingHelper {
 		
 	}
 	
-	public void setFinalLocation(LatLon finalLocation){
+	
+	public void setFinalAndCurrentLocation(LatLon finalLocation, Location currentLocation){
 		this.finalLocation = finalLocation;
+		evalWaitInterval = 3000;
+		// to update route
+		setCurrentLocation(currentLocation);
+	}
+	
+	public void setFinalLocation(LatLon finalLocation){
+		setFinalAndCurrentLocation(finalLocation, getLastFixedLocation());
 	}
 	
 	public void setAppMode(ApplicationMode mode){
@@ -94,13 +102,12 @@ public class RoutingHelper {
 		Location lastPoint = routeNodes.get(routeNodes.size() - 1);
 		if(currentRoute > routeNodes.size() - 3 && currentLocation.distanceTo(lastPoint) < 60){
 			if(lastFixedLocation != null && lastFixedLocation.distanceTo(lastPoint) < 60){
-				// TODO mark as finished 
 				showMessage(activity.getString(R.string.arrived_at_destination));
 				currentRoute = routeNodes.size() - 1;
+				// clear final location to prevent all time showing message
+				finalLocation = null;
 			}
 			lastFixedLocation = currentLocation;
-			// ??? even if you go away from place you can't navigate once time
-//			finalLocation = null
 			return true;
 		}
 		return false;
@@ -234,7 +241,7 @@ public class RoutingHelper {
 									// reset error wait interval
 									evalWaitInterval = 3000;
 								} else {
-									evalWaitInterval = evalWaitInterval * 3 / 2;
+									evalWaitInterval = evalWaitInterval * 4 / 3;
 									if(evalWaitInterval > 120000){
 										evalWaitInterval  = 120000;
 									}

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

@@ -64,7 +64,7 @@ public class MapInfoLayer implements OsmandMapLayer {
 		paintAlphaGray = new Paint();
 		paintAlphaGray.setStyle(Style.FILL_AND_STROKE);
 		paintAlphaGray.setColor(Color.LTGRAY);
-		paintAlphaGray.setAlpha(150);
+		paintAlphaGray.setAlpha(180); // do not make very transparent (to hide route)
 		
 		fillBlack = new Paint();
 		fillBlack.setStyle(Style.FILL_AND_STROKE);
@@ -90,7 +90,7 @@ public class MapInfoLayer implements OsmandMapLayer {
 		boundsForMiniRoute = new RectF(0, 64, 96, 196);
 		centerMiniRouteX = 48;
 		centerMiniRouteY= 160;
-		scaleMiniRoute = 0.1f;
+		scaleMiniRoute = 0.15f;
 		
 		pathForCompass = new Path();
 		pathForCompass.moveTo(9, 15.5f);

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

@@ -376,21 +376,42 @@ public class OsmandMapTileView extends SurfaceView implements IMapDownloaderCall
 						for (int j = 0; j< height; j++) {
 							float x1 = (i + left - tileX) * tileSize + w;
 							float y1 = (j + top - tileY) * tileSize + h;
+							String ordImgTile = mgr.calculateTileId(map, left + i, top + j, zoom);
 							// asking tile image async
-							Bitmap bmp = mgr.getTileImageForMapAsync(map, left + i, top + j, zoom, useInternet);
+							boolean imgExist = mgr.tileExistOnFileSystem(ordImgTile);
+							Bitmap bmp = null;
+							if (imgExist || useInternet) {
+								bmp = mgr.getTileImageForMapAsync(ordImgTile, map, left + i, top + j, zoom, useInternet);
+							}
 							if (bmp == null) {
+								int div = 2;
 								// asking if there is small version of the map (in cache)
-								if(useInternet){
+								String imgTile2 = mgr.calculateTileId(map, (left + i) / 2, (top + j) / 2, zoom - 1);
-									bmp = mgr.getTileImageFromCache(map, (left + i) / 2, (top + j) / 2, zoom - 1);
+								String imgTile4 = mgr.calculateTileId(map, (left + i) / 4, (top + j) / 4, zoom - 2);
-								} else if(!mgr.tileExistOnFileSystem(map, left + i, top + j, zoom)){
+								if(useInternet || imgExist){
-									bmp = mgr.getTileImageForMapAsync(map, (left + i) / 2, (top + j) / 2, zoom - 1, false);
+									bmp = mgr.getTileImageFromCache(imgTile2);
+									div = 2;
+									if(bmp == null){
+										bmp = mgr.getTileImageFromCache(imgTile4);
+										div = 4;
+									}
 								}
+								if(!useInternet && !imgExist){
+									if(mgr.tileExistOnFileSystem(imgTile2)){
+										bmp = mgr.getTileImageForMapAsync(imgTile2, map, (left + i) / 2, (top + j) / 2, zoom - 1, false);
+										div = 2;
+									} else if(mgr.tileExistOnFileSystem(imgTile4)){
+										bmp = mgr.getTileImageForMapAsync(imgTile4, map, (left + i) / 4, (top + j) / 4, zoom - 2, false);
+										div = 4;
+									}
+								}
+								
 								if(bmp == null){
 									drawEmptyTile(canvas, (int) x1, (int) y1);
 								} else {
-									int xZoom = (left + i) % 2 == 0 ? 0 : tileSize / 2;
+									int xZoom = ((left + i) % div) * tileSize / div;
-									int yZoom = (top + j) % 2 == 0 ? 0 : tileSize / 2;;
+									int yZoom = ((top + j) % div) * tileSize / div;;
-									bitmapToZoom.set(xZoom, yZoom, xZoom + tileSize / 2, yZoom + tileSize / 2);
+									bitmapToZoom.set(xZoom, yZoom, xZoom + tileSize / div, yZoom + tileSize / div);
 									bitmapToDraw.set(x1, y1, x1 + tileSize, y1 + tileSize);
 									canvas.drawBitmap(bmp, bitmapToZoom, bitmapToDraw, paintBitmap);
 								}
@@ -458,7 +479,7 @@ public class OsmandMapTileView extends SurfaceView implements IMapDownloaderCall
 				canvas.rotate(rotate, w , h);
 				try {
 					ResourceManager mgr = ResourceManager.getResourceManager();
-					Bitmap bmp = mgr.getTileImageForMapSync(map, request.xTile, request.yTile, zoom, false);
+					Bitmap bmp = mgr.getTileImageForMapSync(null, map, request.xTile, request.yTile, request.zoom, false);
 					float x = (request.xTile - tileX) * getTileSize() + w;
 					float y = (request.yTile - tileY) * getTileSize() + h;
 					if (bmp == null) {

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

@@ -119,8 +119,8 @@ public class POIMapLayer implements OsmandMapLayer {
 		this.view = view;
 
 		pointAltUI = new Paint();
-		pointAltUI.setColor(Color.GREEN);
+		pointAltUI.setColor(Color.rgb(255, 128, 0));
-		pointAltUI.setAlpha(150);
+		pointAltUI.setAlpha(200);
 		pointAltUI.setAntiAlias(true);
 		resourceManager = ResourceManager.getResourceManager();
 		pixRect.set(0, 0, view.getWidth(), view.getHeight());

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

@@ -79,7 +79,7 @@ public class RouteLayer implements OsmandMapLayer {
 				int px = view.getMapXForPoint(points.get(0).getLongitude());
 				int py = view.getMapYForPoint(points.get(0).getLatitude());
 				path.moveTo(px, py);
-				for (int i=1; i<points.size(); i++) {
+				for (int i = 1; i < points.size(); i++) {
 					Location o = points.get(i);
 					int x = view.getMapXForPoint(o.getLongitude());
 					int y = view.getMapYForPoint(o.getLatitude());