Fix #6740

OsmAnd/src/net/osmand/aidl/OsmandAidlApi.java

@@ -1210,11 +1210,11 @@ public class OsmandAidlApi {
 		if (!destinationExists) {
 			GpxDataItem gpxDataItem = new GpxDataItem(destination, col);
 			gpxDataItem.setApiImported(true);
-			app.getGpxDatabase().add(gpxDataItem);
+			app.getGpxDbHelper().add(gpxDataItem);
 		} else {
-			GpxDataItem item = app.getGpxDatabase().getItem(destination);
+			GpxDataItem item = app.getGpxDbHelper().getItem(destination);
 			if (item != null) {
-				app.getGpxDatabase().updateColor(item, col);
+				app.getGpxDbHelper().updateColor(item, col);
 			}
 		}
 		final GpxSelectionHelper helper = app.getSelectedGpxHelper();
@@ -1435,7 +1435,7 @@ public class OsmandAidlApi {
 	}
 
 	boolean getImportedGpxV2(List<net.osmand.aidlapi.gpx.AGpxFile> files) {
-		List<GpxDataItem> gpxDataItems = app.getGpxDatabase().getItems();
+		List<GpxDataItem> gpxDataItems = app.getGpxDbHelper().getItems();
 		for (GpxDataItem dataItem : gpxDataItems) {
 			File file = dataItem.getFile();
 			if (file.exists()) {
@@ -1460,7 +1460,7 @@ public class OsmandAidlApi {
 	}
 
 	boolean getImportedGpx(List<AGpxFile> files) {
-		List<GpxDataItem> gpxDataItems = app.getGpxDatabase().getItems();
+		List<GpxDataItem> gpxDataItems = app.getGpxDbHelper().getItems();
 		for (GpxDataItem dataItem : gpxDataItems) {
 			File file = dataItem.getFile();
 			if (file.exists()) {
@@ -1480,7 +1480,7 @@ public class OsmandAidlApi {
 	}
 
 	String getGpxColor(String gpxFileName) {
-		List<GpxDataItem> gpxDataItems = app.getGpxDatabase().getItems();
+		List<GpxDataItem> gpxDataItems = app.getGpxDbHelper().getItems();
 		for (GpxDataItem dataItem : gpxDataItems) {
 			File file = dataItem.getFile();
 			if (file.exists()) {
@@ -1499,10 +1499,10 @@ public class OsmandAidlApi {
 		if (!Algorithms.isEmpty(fileName)) {
 			final File f = app.getAppPath(IndexConstants.GPX_INDEX_DIR + fileName);
 			if (f.exists()) {
-				GpxDataItem item = app.getGpxDatabase().getItem(f);
+				GpxDataItem item = app.getGpxDbHelper().getItem(f);
 				if (item != null && item.isApiImported()) {
 					Algorithms.removeAllFiles(f);
-					app.getGpxDatabase().remove(f);
+					app.getGpxDbHelper().remove(f);
 					return true;
 				}
 			}

OsmAnd/src/net/osmand/plus/AppInitializer.java

@@ -482,7 +482,7 @@ public class AppInitializer implements IProgress {
 		app.notificationHelper = startupInit(new NotificationHelper(app), NotificationHelper.class);
 		app.liveMonitoringHelper = startupInit(new LiveMonitoringHelper(app), LiveMonitoringHelper.class);
 		app.selectedGpxHelper = startupInit(new GpxSelectionHelper(app, app.savingTrackHelper), GpxSelectionHelper.class);
-		app.gpxDatabase = startupInit(new GPXDatabase(app), GPXDatabase.class);
+		app.gpxDbHelper = startupInit(new GpxDbHelper(app), GpxDbHelper.class);
 		app.favorites = startupInit(new FavouritesDbHelper(app), FavouritesDbHelper.class);
 		app.waypointHelper = startupInit(new WaypointHelper(app), WaypointHelper.class);
 		app.aidlApi = startupInit(new OsmandAidlApi(app), OsmandAidlApi.class);
@@ -669,6 +669,7 @@ public class AppInitializer implements IProgress {
 			notifyEvent(InitEvents.NATIVE_INITIALIZED);
 
 			app.favorites.loadFavorites();
+			app.gpxDbHelper.loadGpxItems();
 			notifyEvent(InitEvents.FAVORITES_INITIALIZED);
 			app.poiFilters.reloadAllPoiFilters();
 			app.poiFilters.loadSelectedPoiFilters();

OsmAnd/src/net/osmand/plus/GPXDatabase.java

@@ -199,13 +199,35 @@ public class GPXDatabase {
 		public void setShowAsMarkers(boolean showAsMarkers) {
 			this.showAsMarkers = showAsMarkers;
 		}
+
+		@Override
+		public int hashCode() {
+			return file != null ? file.hashCode() : 0;
 		}
 
-	public GPXDatabase(OsmandApplication app) {
+		@Override
+		public boolean equals(Object obj) {
+			if (!(obj instanceof GpxDataItem)) {
+				return false;
+			}
+			final GpxDataItem other = (GpxDataItem) obj;
+			if (file == null || other.file == null) {
+				return false;
+			}
+			return file.equals(other.file);
+		}
+	}
+
+	GPXDatabase(OsmandApplication app) {
 		context = app;
+		// init database
+		SQLiteConnection db = openConnection(false);
+		if (db != null) {
+			db.close();
+		}
 	}
 
-	private SQLiteConnection openConnection(boolean readonly) {
+	SQLiteConnection openConnection(boolean readonly) {
 		SQLiteConnection conn = context.getSQLiteAPI().getOrCreateDatabase(DB_NAME, readonly);
 		if (conn.getVersion() < DB_VERSION) {
 			if (readonly) {
@@ -225,6 +247,7 @@ public class GPXDatabase {
 
 	private void onCreate(SQLiteConnection db) {
 		db.execSQL(GPX_TABLE_CREATE);
+		db.execSQL("CREATE INDEX IF NOT EXISTS " + GPX_INDEX_NAME_DIR + " ON " + GPX_TABLE_NAME + " (" + GPX_COL_NAME + ", " + GPX_COL_DIR + ");");
 	}
 
 	private void onUpgrade(SQLiteConnection db, int oldVersion, int newVersion) {
@@ -401,7 +424,7 @@ public class GPXDatabase {
 
 	public boolean remove(File file) {
 		SQLiteConnection db = openConnection(false);
-		if (db != null){
+		if (db != null) {
 			try {
 				String fileName = getFileName(file);
 				String fileDir = getFileDir(file);
@@ -421,7 +444,7 @@ public class GPXDatabase {
 
 	public boolean add(GpxDataItem item) {
 		SQLiteConnection db = openConnection(false);
-		if (db != null){
+		if (db != null) {
 			try {
 				insert(item, db);
 			} finally {
@@ -442,7 +465,7 @@ public class GPXDatabase {
 				"" : itemFile.getParentFile().getName();
 	}
 
-	private void insert(GpxDataItem item, SQLiteConnection db) {
+	void insert(GpxDataItem item, SQLiteConnection db) {
 		String fileName = getFileName(item.file);
 		String fileDir = getFileDir(item.file);
 		GPXTrackAnalysis a = item.getAnalysis();
@@ -482,22 +505,30 @@ public class GPXDatabase {
 		SQLiteConnection db = openConnection(false);
 		if (db != null) {
 			try {
-				String fileName = getFileName(item.file);
+				return updateAnalysis(item, a, db);
-				String fileDir = getFileDir(item.file);
-				db.execSQL(GPX_TABLE_UPDATE_ANALYSIS + " WHERE " + GPX_COL_NAME + " = ? AND " + GPX_COL_DIR + " = ?",
-						new Object[]{ a.totalDistance, a.totalTracks, a.startTime, a.endTime,
-								a.timeSpan, a.timeMoving, a.totalDistanceMoving, a.diffElevationUp,
-								a.diffElevationDown, a.avgElevation, a.minElevation, a.maxElevation,
-								a.maxSpeed, a.avgSpeed, a.points, a.wptPoints, item.file.lastModified(),
-								Algorithms.encodeStringSet(a.wptCategoryNames), fileName, fileDir });
 			} finally {
 				db.close();
 			}
-			return true;
 		}
 		return false;
 	}
 
+	public boolean updateAnalysis(GpxDataItem item, GPXTrackAnalysis a, SQLiteConnection db) {
+		if (a == null) {
+			return false;
+		}
+		String fileName = getFileName(item.file);
+		String fileDir = getFileDir(item.file);
+		db.execSQL(GPX_TABLE_UPDATE_ANALYSIS + " WHERE " + GPX_COL_NAME + " = ? AND " + GPX_COL_DIR + " = ?",
+				new Object[]{a.totalDistance, a.totalTracks, a.startTime, a.endTime,
+						a.timeSpan, a.timeMoving, a.totalDistanceMoving, a.diffElevationUp,
+						a.diffElevationDown, a.avgElevation, a.minElevation, a.maxElevation,
+						a.maxSpeed, a.avgSpeed, a.points, a.wptPoints, item.file.lastModified(),
+						Algorithms.encodeStringSet(a.wptCategoryNames), fileName, fileDir});
+		item.analysis = a;
+		return true;
+	}
+
 	public boolean clearAnalysis(GpxDataItem item) {
 		SQLiteConnection db = openConnection(false);
 		if (db != null) {
@@ -584,20 +615,24 @@ public class GPXDatabase {
 		return item;
 	}
 
+	@NonNull
 	public List<GpxDataItem> getItems() {
 		List<GpxDataItem> items = new ArrayList<>();
-		SQLiteConnection db = openConnection(true);
+		SQLiteConnection db = openConnection(false);
 		if (db != null) {
 			try {
 				SQLiteCursor query = db.rawQuery(GPX_TABLE_SELECT, null);
-				if (query != null && query.moveToFirst()) {
+				if (query != null) {
+					try {
+						if (query.moveToFirst()) {
 							do {
 								items.add(readItem(query));
 							} while (query.moveToNext());
 						}
-				if (query != null) {
+					} finally {
 						query.close();
 					}
+				}
 			} finally {
 				db.close();
 			}
@@ -608,23 +643,58 @@ public class GPXDatabase {
 	@Nullable
 	public GpxDataItem getItem(File file) {
 		GpxDataItem result = null;
-		SQLiteConnection db = openConnection(true);
+		SQLiteConnection db = openConnection(false);
-		if (db != null){
+		if (db != null) {
 			try {
-				String fileName = getFileName(file);
+				result = getItem(file, db);
-				String fileDir = getFileDir(file);
-				SQLiteCursor query = db.rawQuery(GPX_TABLE_SELECT + " WHERE " + GPX_COL_NAME + " = ? AND " +
-						GPX_COL_DIR + " = ?", new String[] { fileName, fileDir });
-				if ( query != null && query.moveToFirst()) {
-					result = readItem(query);
-				}
-				if (query != null) {
-					query.close();
-				}
 			} finally {
 				db.close();
 			}
 		}
 		return result;
 	}
+
+	@Nullable
+	public GpxDataItem getItem(File file, SQLiteConnection db) {
+		GpxDataItem result = null;
+		String fileName = getFileName(file);
+		String fileDir = getFileDir(file);
+		SQLiteCursor query = db.rawQuery(GPX_TABLE_SELECT + " WHERE " + GPX_COL_NAME + " = ? AND " +
+				GPX_COL_DIR + " = ?", new String[]{fileName, fileDir});
+		if (query != null) {
+			try {
+				if (query.moveToFirst()) {
+					result = readItem(query);
+				}
+			} finally {
+				query.close();
+			}
+		}
+		return result;
+	}
+
+	@NonNull
+	public List<GpxDataItem> getSplitItems() {
+		List<GpxDataItem> items = new ArrayList<>();
+		SQLiteConnection db = openConnection(false);
+		if (db != null) {
+			try {
+				SQLiteCursor query = db.rawQuery(GPX_TABLE_SELECT + " WHERE " + GPX_COL_SPLIT_TYPE + " != ?", new String[] { String.valueOf(0) });
+				if (query != null) {
+					try {
+						if (query.moveToFirst()) {
+							do {
+								items.add(readItem(query));
+							} while (query.moveToNext());
+						}
+					} finally {
+						query.close();
+					}
+				}
+			} finally {
+				db.close();
+			}
+		}
+		return items;
+	}
 }

OsmAnd/src/net/osmand/plus/GpxDbHelper.java

@@ -0,0 +1,265 @@
+package net.osmand.plus;
+
+import android.annotation.SuppressLint;
+import android.os.AsyncTask;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+
+import net.osmand.GPXUtilities;
+import net.osmand.GPXUtilities.GPXFile;
+import net.osmand.GPXUtilities.GPXTrackAnalysis;
+import net.osmand.plus.GPXDatabase.GpxDataItem;
+import net.osmand.plus.api.SQLiteAPI;
+import net.osmand.plus.api.SQLiteAPI.SQLiteConnection;
+
+import java.io.File;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentLinkedQueue;
+
+public class GpxDbHelper {
+
+	private static final int MAX_ITEMS_CACHE_SIZE = 5000;
+
+	private OsmandApplication app;
+	private GPXDatabase db;
+	private Map<File, GpxDataItem> itemsCache = new ConcurrentHashMap<>();
+
+	private ConcurrentLinkedQueue<File> readingItems = new ConcurrentLinkedQueue<>();
+	private Map<File, GpxDataItem> readingItemsMap = new ConcurrentHashMap<>();
+	private Map<File, GpxDataItemCallback> readingItemsCallbacks = new ConcurrentHashMap<>();
+	private GpxReaderTask readerTask;
+
+	public interface GpxDataItemCallback {
+
+		boolean isCancelled();
+
+		void onGpxDataItemReady(GpxDataItem item);
+	}
+
+	GpxDbHelper(OsmandApplication app) {
+		this.app = app;
+		db = new GPXDatabase(app);
+	}
+
+	void loadGpxItems() {
+		List<GpxDataItem> items = getItems();
+		for (GpxDataItem item : items) {
+			putToCache(item);
+		}
+	}
+
+	private void updateItemsCacheSize() {
+		if (itemsCache.size() > MAX_ITEMS_CACHE_SIZE) {
+			itemsCache.clear();
+		}
+	}
+
+	private GpxDataItem putToCache(GpxDataItem item) {
+		updateItemsCacheSize();
+		return itemsCache.put(item.getFile(), item);
+	}
+
+	private void removeFromCache(GpxDataItem item) {
+		itemsCache.remove(item.getFile());
+	}
+
+	public boolean rename(File currentFile, File newFile) {
+		boolean res = db.rename(currentFile, newFile);
+		itemsCache.remove(currentFile);
+		return res;
+	}
+
+	public boolean updateColor(GpxDataItem item, int color) {
+		boolean res = db.updateColor(item, color);
+		putToCache(item);
+		return res;
+	}
+
+	public boolean updateShowAsMarkers(GpxDataItem item, boolean showAsMarkers) {
+		boolean res = db.updateShowAsMarkers(item, showAsMarkers);
+		putToCache(item);
+		return res;
+	}
+
+	public boolean updateSplit(@NonNull GpxDataItem item, int splitType, double splitInterval) {
+		boolean res = db.updateSplit(item, splitType, splitInterval);
+		putToCache(item);
+		return res;
+	}
+
+	public boolean remove(File file) {
+		boolean res = db.remove(file);
+		itemsCache.remove(file);
+		return res;
+	}
+
+	public boolean remove(GpxDataItem item) {
+		boolean res = db.remove(item);
+		itemsCache.remove(item.getFile());
+		return res;
+	}
+
+	public boolean add(GpxDataItem item) {
+		boolean res = db.add(item);
+		putToCache(item);
+		return res;
+	}
+
+	public boolean updateAnalysis(GpxDataItem item, GPXTrackAnalysis a) {
+		boolean res = db.updateAnalysis(item, a);
+		putToCache(item);
+		return res;
+	}
+
+	public boolean clearAnalysis(GpxDataItem item) {
+		boolean res = db.clearAnalysis(item);
+		itemsCache.remove(item.getFile());
+		return res;
+	}
+
+	public List<GpxDataItem> getItems() {
+		return db.getItems();
+	}
+
+	public GpxDataItem getItem(File file) {
+		return getItem(file, null);
+	}
+
+	public GpxDataItem getItem(File file, @Nullable GpxDataItemCallback callback) {
+		GpxDataItem item = itemsCache.get(file);
+		if (item == null && !isGpxReading(file)) {
+			readGpxItem(file, item, callback);
+		}
+		return item;
+	}
+
+	public List<GpxDataItem> getSplitItems() {
+		return db.getSplitItems();
+	}
+
+	public boolean isRead() {
+		GpxReaderTask readerTask = this.readerTask;
+		return readerTask == null || !readerTask.isReading();
+	}
+
+	private boolean isGpxReading(@NonNull File gpxFile) {
+		GpxReaderTask analyser = this.readerTask;
+		return readingItems.contains(gpxFile)
+				|| (analyser != null && gpxFile.equals(analyser.getGpxFile()));
+	}
+
+	private void readGpxItem(@NonNull File gpxFile, @Nullable GpxDataItem item, @Nullable GpxDataItemCallback callback) {
+		readingItemsMap.put(gpxFile, item != null ? item : new GpxDataItem(null, null));
+		if (callback != null) {
+			readingItemsCallbacks.put(gpxFile, callback);
+		}
+		readingItems.add(gpxFile);
+		if (readerTask == null) {
+			startReading();
+		}
+	}
+
+	private void startReading() {
+		readerTask = new GpxReaderTask();
+		readerTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+	}
+
+	private void stopReading() {
+		if (readerTask != null) {
+			readerTask.cancel(false);
+			readerTask = null;
+		}
+	}
+
+	@SuppressLint("StaticFieldLeak")
+	private class GpxReaderTask extends AsyncTask<Void, GpxDataItem, Void> {
+
+		private File gpxFile;
+
+		public File getGpxFile() {
+			return gpxFile;
+		}
+
+		public boolean isReading() {
+			return readingItems.size() > 0 || gpxFile != null;
+		}
+
+		private boolean isAnalyseNeeded(@NonNull File gpxFile, @Nullable GpxDataItem item) {
+			return item == null
+					|| item.getFileLastModifiedTime() != gpxFile.lastModified()
+					|| item.getAnalysis() == null
+					|| item.getAnalysis().wptCategoryNames == null;
+		}
+
+		@Override
+		protected Void doInBackground(Void... voids) {
+			SQLiteConnection conn = db.openConnection(false);
+			if (conn != null) {
+				try {
+					gpxFile = readingItems.poll();
+					while (gpxFile != null && !isCancelled()) {
+						GpxDataItem item = readingItemsMap.remove(gpxFile);
+						if (item.getFile() == null) {
+							item = db.getItem(gpxFile, conn);
+						}
+						if (isAnalyseNeeded(gpxFile, item)) {
+							GPXFile f = GPXUtilities.loadGPXFile(gpxFile);
+							GPXTrackAnalysis analysis = f.getAnalysis(gpxFile.lastModified());
+							if (item == null || item.getFile() == null) {
+								item = new GpxDataItem(gpxFile, analysis);
+								db.insert(item, conn);
+								putToCache(item);
+							} else {
+								db.updateAnalysis(item, analysis, conn);
+								putToCache(item);
+							}
+						} else {
+							putToCache(item);
+						}
+
+						if (!isCancelled()) {
+							publishProgress(item);
+						}
+						gpxFile = readingItems.poll();
+					}
+				} finally {
+					conn.close();
+				}
+			} else {
+				cancel(false);
+			}
+			return null;
+		}
+
+		@Override
+		protected void onCancelled(Void aVoid) {
+			readingItems.clear();
+			readingItemsMap.clear();
+			readingItemsCallbacks.clear();
+		}
+
+		@Override
+		protected void onProgressUpdate(GpxDataItem... values) {
+			GpxDataItem item = values[0];
+			GpxDataItemCallback callback = readingItemsCallbacks.remove(item.getFile());
+			if (callback != null) {
+				if (callback.isCancelled()) {
+					stopReading();
+				} else {
+					callback.onGpxDataItemReady(item);
+				}
+			}
+		}
+
+		@Override
+		protected void onPostExecute(Void aVoid) {
+			if (readingItems.size() > 0 && !isCancelled()) {
+				startReading();
+			} else {
+				readerTask = null;
+			}
+		}
+	}
+}

OsmAnd/src/net/osmand/plus/GpxSelectionHelper.java

@@ -152,9 +152,8 @@ public class GpxSelectionHelper {
 	}
 
 	public void processSplit() {
-		List<GpxDataItem> items = app.getGpxDatabase().getItems();
+		List<GpxDataItem> items = app.getGpxDbHelper().getSplitItems();
 		for (GpxDataItem dataItem : items) {
-			if (dataItem.getSplitType() != 0) {
 			SelectedGpxFile selectedGpxFile = getSelectedFileByPath(dataItem.getFile().getAbsolutePath());
 			if (selectedGpxFile != null && selectedGpxFile.getGpxFile() != null) {
 				GPXFile gpxFile = selectedGpxFile.getGpxFile();
@@ -178,7 +177,6 @@ public class GpxSelectionHelper {
 			}
 		}
 	}
-	}
 
 	private String getString(int resId, Object... formatArgs) {
 		return app.getString(resId, formatArgs);
@@ -622,7 +620,7 @@ public class GpxSelectionHelper {
 	}
 
 	public SelectedGpxFile selectGpxFile(GPXFile gpx, boolean show, boolean notShowNavigationDialog, boolean syncGroup, boolean selectedByUser, boolean canAddToMarkers) {
-		GpxDataItem dataItem = app.getGpxDatabase().getItem(new File(gpx.path));
+		GpxDataItem dataItem = app.getGpxDbHelper().getItem(new File(gpx.path));
 		if (canAddToMarkers && show && dataItem != null && dataItem.isShowAsMarkers()) {
 			app.getMapMarkersHelper().addOrEnableGroup(gpx);
 		}

OsmAnd/src/net/osmand/plus/MapMarkersHelper.java

@@ -370,9 +370,9 @@ public class MapMarkersHelper {
 	}
 
 	private void updateGpxShowAsMarkers(File file) {
-		GPXDatabase.GpxDataItem dataItem = ctx.getGpxDatabase().getItem(file);
+		GPXDatabase.GpxDataItem dataItem = ctx.getGpxDbHelper().getItem(file);
 		if (dataItem != null) {
-			ctx.getGpxDatabase().updateShowAsMarkers(dataItem, true);
+			ctx.getGpxDbHelper().updateShowAsMarkers(dataItem, true);
 			dataItem.setShowAsMarkers(true);
 		}
 	}

OsmAnd/src/net/osmand/plus/OsmandApplication.java

@@ -116,7 +116,6 @@ public class OsmandApplication extends MultiDexApplication {
 	FavouritesDbHelper favorites;
 	CommandPlayer player;
 	GpxSelectionHelper selectedGpxHelper;
-	GPXDatabase gpxDatabase;
 	SavingTrackHelper savingTrackHelper;
 	AnalyticsHelper analyticsHelper;
 	NotificationHelper notificationHelper;
@@ -137,6 +136,7 @@ public class OsmandApplication extends MultiDexApplication {
 	MapViewTrackingUtilities mapViewTrackingUtilities;
 	LockHelper lockHelper;
 	SettingsHelper settingsHelper;
+	GpxDbHelper gpxDbHelper;
 
 	private RoutingConfiguration.Builder routingConfig;
 	private Locale preferredLocale = null;
@@ -316,8 +316,8 @@ public class OsmandApplication extends MultiDexApplication {
 		return selectedGpxHelper;
 	}
 
-	public GPXDatabase getGpxDatabase() {
+	public GpxDbHelper getGpxDbHelper() {
-		return gpxDatabase;
+		return gpxDbHelper;
 	}
 
 	public FavouritesDbHelper getFavorites() {

OsmAnd/src/net/osmand/plus/activities/SavingTrackHelper.java

@@ -235,7 +235,7 @@ public class SavingTrackHelper extends SQLiteOpenHelper {
 					GPXFile gpx = data.get(f);
 					GPXTrackAnalysis analysis = gpx.getAnalysis(fout.lastModified());
 					GpxDataItem item = new GpxDataItem(fout, analysis);
-					ctx.getGpxDatabase().add(item);
+					ctx.getGpxDbHelper().add(item);
 				}
 			}
 		}

OsmAnd/src/net/osmand/plus/activities/TrackActivity.java

@@ -337,7 +337,7 @@ public class TrackActivity extends TabActivity {
 
 	private void onGPXFileReady(@Nullable GPXFile gpxFile) {
 		setGpx(gpxFile);
-		setGpxDataItem(file != null ? app.getGpxDatabase().getItem(file) : null);
+		setGpxDataItem(file != null ? app.getGpxDbHelper().getItem(file) : null);
 
 		WindowManager mgr = (WindowManager) getSystemService(Context.WINDOW_SERVICE);
 		if (gpxFile != null && mgr != null) {

OsmAnd/src/net/osmand/plus/helpers/GpxUiHelper.java

@@ -73,7 +73,10 @@ import net.osmand.PlatformUtil;
 import net.osmand.plus.ContextMenuAdapter;
 import net.osmand.plus.ContextMenuItem;
 import net.osmand.plus.GPXDatabase.GpxDataItem;
+import net.osmand.plus.GpxDbHelper;
+import net.osmand.plus.GpxDbHelper.GpxDataItemCallback;
 import net.osmand.plus.GpxSelectionHelper.SelectedGpxFile;
+import net.osmand.plus.OsmAndConstants;
 import net.osmand.plus.OsmAndFormatter;
 import net.osmand.plus.OsmandApplication;
 import net.osmand.plus.OsmandPlugin;
@@ -437,6 +440,59 @@ public class GpxUiHelper {
 		return dlg;
 	}
 
+	private static class DialogGpxDataItemCallback implements GpxDataItemCallback {
+		private static final int UPDATE_GPX_ITEM_MSG_ID = OsmAndConstants.UI_HANDLER_LOCATION_SERVICE + 6;
+		private static final long MIN_UPDATE_INTERVAL = 500;
+
+		private OsmandApplication app;
+		private long lastUpdateTime;
+		private boolean updateEnable = true;
+		private ArrayAdapter<String> listAdapter;
+
+		DialogGpxDataItemCallback(OsmandApplication app) {
+			this.app = app;
+		}
+
+		public boolean isUpdateEnable() {
+			return updateEnable;
+		}
+
+		public void setUpdateEnable(boolean updateEnable) {
+			this.updateEnable = updateEnable;
+		}
+
+		public ArrayAdapter<String> getListAdapter() {
+			return listAdapter;
+		}
+
+		public void setListAdapter(ArrayAdapter<String> listAdapter) {
+			this.listAdapter = listAdapter;
+		}
+
+		private Runnable updateItemsProc = new Runnable() {
+			@Override
+			public void run() {
+				if (updateEnable) {
+					lastUpdateTime = System.currentTimeMillis();
+					listAdapter.notifyDataSetChanged();
+				}
+			}
+		};
+
+		@Override
+		public boolean isCancelled() {
+			return !updateEnable;
+		}
+
+		@Override
+		public void onGpxDataItemReady(GpxDataItem item) {
+			if (System.currentTimeMillis() - lastUpdateTime > MIN_UPDATE_INTERVAL) {
+				updateItemsProc.run();
+			}
+			app.runMessageInUIThreadAndCancelPrevious(UPDATE_GPX_ITEM_MSG_ID, updateItemsProc, MIN_UPDATE_INTERVAL);
+		}
+	}
+
 	private static AlertDialog createDialog(final Activity activity,
 											final boolean showCurrentGpx,
 											final boolean multipleChoice,
@@ -451,12 +507,11 @@ public class GpxUiHelper {
 		AlertDialog.Builder builder = new AlertDialog.Builder(new ContextThemeWrapper(activity, themeRes));
 		final int layout = R.layout.gpx_track_item;
 		final Map<String, String> gpxAppearanceParams = new HashMap<>();
+		final DialogGpxDataItemCallback gpxDataItemCallback = new DialogGpxDataItemCallback(app);
 
 		final ArrayAdapter<String> listAdapter = new ArrayAdapter<String>(activity, layout, R.id.title,
 				adapter.getItemNames()) {
 
-			List<GpxDataItem> dataItems = null;
-
 			@Override
 			public int getItemViewType(int position) {
 				return showCurrentGpx && position == 0 ? 1 : 0;
@@ -468,18 +523,14 @@ public class GpxUiHelper {
 			}
 
 			private GpxDataItem getDataItem(GPXInfo info) {
-				if (dataItems != null) {
+				return app.getGpxDbHelper().getItem(
-					for (GpxDataItem item : dataItems) {
+						new File(app.getAppPath(IndexConstants.GPX_INDEX_DIR), info.getFileName()),
-						if (item.getFile().getAbsolutePath().endsWith(info.fileName)) {
+						gpxDataItemCallback);
-							return item;
-						}
-					}
-				}
-				return null;
 			}
 
 			@Override
-			public View getView(final int position, View convertView, ViewGroup parent) {
+			@NonNull
+			public View getView(final int position, View convertView, @NonNull ViewGroup parent) {
 				// User super class to create the View
 				View v = convertView;
 				boolean checkLayout = getItemViewType(position) == 0;
@@ -487,13 +538,10 @@ public class GpxUiHelper {
 					v = View.inflate(new ContextThemeWrapper(activity, themeRes), layout, null);
 				}
 
-				if (dataItems == null) {
-					dataItems = app.getGpxDatabase().getItems();
-				}
-
 				final ContextMenuItem item = adapter.getItem(position);
 				GPXInfo info = list.get(position);
-				updateGpxInfoView(v, item.getTitle(), info, getDataItem(info), showCurrentGpx && position == 0, app);
+				boolean currentlyRecordingTrack = showCurrentGpx && position == 0;
+				updateGpxInfoView(v, item.getTitle(), info, currentlyRecordingTrack ? null : getDataItem(info), currentlyRecordingTrack, app);
 
 				if (item.getSelected() == null) {
 					v.findViewById(R.id.check_item).setVisibility(View.GONE);
@@ -535,6 +583,7 @@ public class GpxUiHelper {
 			public void onClick(DialogInterface dialog, int position) {
 			}
 		};
+		gpxDataItemCallback.setListAdapter(listAdapter);
 		builder.setAdapter(listAdapter, onClickListener);
 		if (multipleChoice) {
 			if (showAppearanceSetting) {
@@ -721,6 +770,12 @@ public class GpxUiHelper {
 				}
 			}
 		});
+		dlg.setOnDismissListener(new DialogInterface.OnDismissListener() {
+			@Override
+			public void onDismiss(DialogInterface dialog) {
+				gpxDataItemCallback.setUpdateEnable(false);
+			}
+		});
 		dlg.show();
 		try {
 			dlg.getListView().setFastScrollEnabled(true);

OsmAnd/src/net/osmand/plus/helpers/ImportHelper.java

@@ -17,8 +17,6 @@ import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.v7.app.AlertDialog;
 import android.support.v7.app.AppCompatActivity;
-import android.text.SpannableStringBuilder;
-import android.text.Spanned;
 import android.text.style.ForegroundColorSpan;
 import android.view.View;
 import android.widget.Toast;
@@ -47,7 +45,6 @@ import net.osmand.plus.base.bottomsheetmenu.SimpleBottomSheetItem;
 import net.osmand.plus.base.bottomsheetmenu.simpleitems.DividerHalfItem;
 import net.osmand.plus.base.bottomsheetmenu.simpleitems.ShortDescriptionItem;
 import net.osmand.plus.base.bottomsheetmenu.simpleitems.TitleItem;
-import net.osmand.plus.myplaces.FavoritesActivity;
 import net.osmand.plus.rastermaps.OsmandRasterMapsPlugin;
 import net.osmand.plus.views.OsmandMapTileView;
 import net.osmand.util.Algorithms;
@@ -630,11 +627,11 @@ public class ImportHelper {
 					File file = new File(gpxFile.path);
 					if (!destinationExists) {
 						GPXDatabase.GpxDataItem item = new GPXDatabase.GpxDataItem(file, gpxFile.getColor(0));
-						app.getGpxDatabase().add(item);
+						app.getGpxDbHelper().add(item);
 					} else {
-						GPXDatabase.GpxDataItem item = app.getGpxDatabase().getItem(file);
+						GPXDatabase.GpxDataItem item = app.getGpxDbHelper().getItem(file);
 						if (item != null) {
-							app.getGpxDatabase().clearAnalysis(item);
+							app.getGpxDbHelper().clearAnalysis(item);
 						}
 					}
 

OsmAnd/src/net/osmand/plus/mapmarkers/AddTracksGroupBottomSheetDialogFragment.java

@@ -3,6 +3,7 @@ package net.osmand.plus.mapmarkers;
 import android.annotation.SuppressLint;
 import android.os.AsyncTask;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.v7.widget.RecyclerView;
 import android.view.View;
@@ -13,8 +14,9 @@ import net.osmand.GPXUtilities;
 import net.osmand.GPXUtilities.GPXFile;
 import net.osmand.GPXUtilities.GPXTrackAnalysis;
 import net.osmand.IndexConstants;
-import net.osmand.plus.GPXDatabase;
 import net.osmand.plus.GPXDatabase.GpxDataItem;
+import net.osmand.plus.GpxDbHelper;
+import net.osmand.plus.GpxDbHelper.GpxDataItemCallback;
 import net.osmand.plus.GpxSelectionHelper;
 import net.osmand.plus.OsmandApplication;
 import net.osmand.plus.R;
@@ -24,18 +26,47 @@ import net.osmand.plus.mapmarkers.adapters.TracksGroupsAdapter;
 import java.io.File;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
 
 public class AddTracksGroupBottomSheetDialogFragment extends AddGroupBottomSheetDialogFragment {
 
+	private OsmandApplication app;
+	private GpxDbHelper dbHelper;
+
 	private ProcessGpxTask asyncProcessor;
 	private List<GpxDataItem> gpxList;
 
+	private ProgressBar progressBar;
+	private RecyclerView recyclerView;
+	private TextView lookingForTracksText;
+
+	private GpxDataItemCallback gpxDataItemCallback = new GpxDataItemCallback() {
 		@Override
-	public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
+		public boolean isCancelled() {
+			ProcessGpxTask processor = asyncProcessor;
+			return processor == null || processor.isCancelled();
+		}
+
+		@Override
+		public void onGpxDataItemReady(GpxDataItem item) {
+			populateList(item);
+			if (dbHelper.isRead()) {
+				onListPopulated();
+			}
+		}
+	};
+
+	@Override
+	public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
 		super.onViewCreated(view, savedInstanceState);
+
+		app = requiredMyApplication();
+		dbHelper = app.getGpxDbHelper();
+
+		progressBar = (ProgressBar) mainView.findViewById(R.id.progress_bar);
+		recyclerView = (RecyclerView) mainView.findViewById(R.id.groups_recycler_view);
+		lookingForTracksText = (TextView) mainView.findViewById(R.id.looking_for_tracks_text);
+
 		asyncProcessor = new ProcessGpxTask();
 		asyncProcessor.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
 	}
@@ -82,22 +113,32 @@ public class AddTracksGroupBottomSheetDialogFragment extends AddGroupBottomSheet
 		dismiss();
 	}
 
+	private void populateList(GpxDataItem item) {
+		if (item != null && item.getFile() != null) {
+			GPXTrackAnalysis analysis = item.getAnalysis();
+			if (analysis != null && analysis.wptPoints > 0) {
+				int index = gpxList.indexOf(item);
+				if (index != -1) {
+					gpxList.set(index, item);
+				} else {
+					gpxList.add(item);
+				}
+			}
+		}
+	}
+
+	private void onListPopulated() {
+		asyncProcessor = null;
+
+		adapter.notifyDataSetChanged();
+		progressBar.setVisibility(View.GONE);
+		lookingForTracksText.setVisibility(View.GONE);
+		recyclerView.setVisibility(View.VISIBLE);
+		setupHeightAndBackground(getView());
+	}
+
 	@SuppressLint("StaticFieldLeak")
-	public class ProcessGpxTask extends AsyncTask<Void, GpxDataItem, Void> {
+	private class ProcessGpxTask extends AsyncTask<Void, GpxDataItem, Void> {
-
-		private OsmandApplication app = getMyApplication();
-		private Map<File, GpxDataItem> processedDataFiles = new HashMap<>();
-		private GPXDatabase db = app.getGpxDatabase();
-		private ProgressBar progressBar = (ProgressBar) mainView.findViewById(R.id.progress_bar);
-		private RecyclerView recyclerView = (RecyclerView) mainView.findViewById(R.id.groups_recycler_view);
-		private TextView lookingForTracksText = (TextView) mainView.findViewById(R.id.looking_for_tracks_text);
-
-		ProcessGpxTask() {
-			List<GpxDataItem> dataItems = db.getItems();
-			for (GpxDataItem item : dataItems) {
-				processedDataFiles.put(item.getFile(), item);
-			}
-		}
 
 		@Override
 		protected void onPreExecute() {
@@ -131,25 +172,8 @@ public class AddTracksGroupBottomSheetDialogFragment extends AddGroupBottomSheet
 							gpxFile.getName() : gpxSubfolder + "/" + gpxFile.getName();
 					processGPXFolder(gpxFile, sub);
 				} else if (gpxFile.isFile() && gpxFile.getName().toLowerCase().endsWith(".gpx")) {
-					GpxDataItem item = processedDataFiles.get(gpxFile);
+					GpxDataItem item = dbHelper.getItem(gpxFile, gpxDataItemCallback);
-					GPXTrackAnalysis itemAnalysis = item != null ? item.getAnalysis() : null;
+					publishProgress(item);
-					if (item == null
-							|| item.getFileLastModifiedTime() != gpxFile.lastModified()
-							|| itemAnalysis == null
-							|| itemAnalysis.wptCategoryNames == null) {
-						GPXFile f = GPXUtilities.loadGPXFile(gpxFile);
-						GPXTrackAnalysis analysis = f.getAnalysis(gpxFile.lastModified());
-						if (item == null) {
-							item = new GpxDataItem(gpxFile, analysis);
-							db.add(item);
-						} else {
-							db.updateAnalysis(item, analysis);
-						}
-					}
-					processedDataFiles.put(gpxFile, item);
-					if (itemAnalysis != null && itemAnalysis.wptPoints > 0) {
-						gpxList.add(item);
-					}
 				}
 				if (isCancelled()) {
 					break;
@@ -157,14 +181,19 @@ public class AddTracksGroupBottomSheetDialogFragment extends AddGroupBottomSheet
 			}
 		}
 
+		@Override
+		protected void onProgressUpdate(GpxDataItem... items) {
+			GpxDataItem item = items[0];
+			if (item != null) {
+				populateList(item);
+			}
+		}
+
 		@Override
 		protected void onPostExecute(Void aVoid) {
-			asyncProcessor = null;
+			if (dbHelper.isRead()) {
-			adapter.notifyDataSetChanged();
+				onListPopulated();
-			progressBar.setVisibility(View.GONE);
+			}
-			lookingForTracksText.setVisibility(View.GONE);
-			recyclerView.setVisibility(View.VISIBLE);
-			setupHeightAndBackground(getView());
 		}
 	}
 }

OsmAnd/src/net/osmand/plus/monitoring/DashTrackFragment.java

@@ -167,7 +167,7 @@ public class DashTrackFragment extends DashBaseFragment {
 			info.subfolder = "";
 			info.file = f;
 			View v = inflater.inflate(R.layout.dash_gpx_track_item, null, false);
-			AvailableGPXFragment.updateGpxInfoView(v, info, app, true);
+			AvailableGPXFragment.updateGpxInfoView(v, info, app, true, null);
 			
 			v.setOnClickListener(new View.OnClickListener() {
 				@Override
@@ -259,7 +259,7 @@ public class DashTrackFragment extends DashBaseFragment {
 					AvailableGPXFragment.GpxInfo info = new AvailableGPXFragment.GpxInfo();
 					info.subfolder = "";
 					info.file = f;
-					AvailableGPXFragment.updateGpxInfoView(pView, info, app, true);
+					AvailableGPXFragment.updateGpxInfoView(pView, info, app, true, null);
 					updateShowOnMap(app, f, v, showOnMap);
 				}
 			});

OsmAnd/src/net/osmand/plus/myplaces/AvailableGPXFragment.java

@@ -55,12 +55,13 @@ import net.osmand.data.PointDescription;
 import net.osmand.plus.ContextMenuAdapter;
 import net.osmand.plus.ContextMenuAdapter.ItemClickListener;
 import net.osmand.plus.ContextMenuItem;
-import net.osmand.plus.GPXDatabase;
 import net.osmand.plus.GPXDatabase.GpxDataItem;
+import net.osmand.plus.GpxDbHelper.GpxDataItemCallback;
 import net.osmand.plus.GpxSelectionHelper;
 import net.osmand.plus.GpxSelectionHelper.GpxDisplayGroup;
 import net.osmand.plus.GpxSelectionHelper.GpxDisplayItem;
 import net.osmand.plus.GpxSelectionHelper.SelectedGpxFile;
+import net.osmand.plus.OsmAndConstants;
 import net.osmand.plus.OsmAndFormatter;
 import net.osmand.plus.OsmandApplication;
 import net.osmand.plus.OsmandPlugin;
@@ -92,7 +93,6 @@ import java.util.Arrays;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.Date;
-import java.util.HashMap;
 import java.util.HashSet;
 import java.util.LinkedHashMap;
 import java.util.LinkedHashSet;
@@ -117,7 +117,6 @@ public class AvailableGPXFragment extends OsmandExpandableListFragment implement
 	private Set<Integer> selectedGroups = new LinkedHashSet<>();
 	private ActionMode actionMode;
 	private LoadGpxTask asyncLoader;
-	private ProcessGpxTask asyncProcessor;
 	private GpxIndexesAdapter allGpxAdapter;
 	private static MessageFormat formatMb = new MessageFormat("{0, number,##.#} MB", Locale.US);
 	private ContextMenuAdapter optionsMenuAdapter;
@@ -193,8 +192,6 @@ public class AvailableGPXFragment extends OsmandExpandableListFragment implement
 				allGpxAdapter.refreshSelected();
 				allGpxAdapter.notifyDataSetChanged();
 			}
-			asyncProcessor = new ProcessGpxTask();
-			asyncProcessor.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
 		}
 		updateCurrentTrack();
 
@@ -210,10 +207,6 @@ public class AvailableGPXFragment extends OsmandExpandableListFragment implement
 		if (operationTask != null) {
 			operationTask.cancel(true);
 		}
-		if (asyncProcessor != null) {
-			asyncProcessor.cancel(false);
-			asyncProcessor = null;
-		}
 		if (actionMode != null) {
 			actionMode.finish();
 		}
@@ -410,10 +403,6 @@ public class AvailableGPXFragment extends OsmandExpandableListFragment implement
 	public void reloadTracks() {
 		asyncLoader = new LoadGpxTask();
 		asyncLoader.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, getActivity());
-		if (asyncProcessor == null) {
-			asyncProcessor = new ProcessGpxTask();
-			asyncProcessor.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
-		}
 	}
 
 	@Override
@@ -830,7 +819,7 @@ public class AvailableGPXFragment extends OsmandExpandableListFragment implement
 											} else if (destFolder.mkdirs()) {
 												File dest = new File(destFolder, info.fileName);
 												if (info.file.renameTo(dest)) {
-													app.getGpxDatabase().rename(info.file, dest);
+													app.getGpxDbHelper().rename(info.file, dest);
 													asyncLoader = new LoadGpxTask();
 													asyncLoader.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, getActivity());
 												} else {
@@ -853,7 +842,7 @@ public class AvailableGPXFragment extends OsmandExpandableListFragment implement
 						Toast.makeText(app, R.string.file_with_name_already_exists, Toast.LENGTH_LONG).show();
 					} else {
 						if (info.file.renameTo(dest)) {
-							app.getGpxDatabase().rename(info.file, dest);
+							app.getGpxDbHelper().rename(info.file, dest);
 							asyncLoader = new LoadGpxTask();
 							asyncLoader.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, getActivity());
 						} else {
@@ -994,6 +983,37 @@ public class AvailableGPXFragment extends OsmandExpandableListFragment implement
 		int corruptedColor;
 		private SearchFilter filter;
 
+		private GpxInfoViewCallback updateGpxCallback = new GpxInfoViewCallback() {
+
+			private static final int UPDATE_GPX_ITEM_MSG_ID = OsmAndConstants.UI_HANDLER_LOCATION_SERVICE + 5;
+			private static final long MIN_UPDATE_INTERVAL = 500;
+
+			private long lastUpdateTime;
+
+			private Runnable updateItemsProc = new Runnable() {
+				@Override
+				public void run() {
+					if (updateEnable) {
+						lastUpdateTime = System.currentTimeMillis();
+						allGpxAdapter.notifyDataSetChanged();
+					}
+				}
+			};
+
+			@Override
+			public boolean isCancelled() {
+				return !updateEnable;
+			}
+
+			@Override
+			public void onGpxDataItemChanged(GpxDataItem item) {
+				if (System.currentTimeMillis() - lastUpdateTime > MIN_UPDATE_INTERVAL) {
+					updateItemsProc.run();
+				}
+				app.runMessageInUIThreadAndCancelPrevious(UPDATE_GPX_ITEM_MSG_ID, updateItemsProc, MIN_UPDATE_INTERVAL);
+			}
+		};
+
 		public GpxIndexesAdapter(Context ctx) {
 			warningColor = ContextCompat.getColor(ctx, R.color.color_warning);
 			TypedArray ta = ctx.getTheme().obtainStyledAttributes(new int[]{android.R.attr.textColorPrimary});
@@ -1102,7 +1122,7 @@ public class AvailableGPXFragment extends OsmandExpandableListFragment implement
 				LayoutInflater inflater = getActivity().getLayoutInflater();
 				v = inflater.inflate(R.layout.dash_gpx_track_item, parent, false);
 			}
-			updateGpxInfoView(v, child, app, false);
+			updateGpxInfoView(v, child, app, false, updateGpxCallback);
 
 			ImageView icon = (ImageView) v.findViewById(R.id.icon);
 			ImageButton options = (ImageButton) v.findViewById(R.id.options);
@@ -1409,7 +1429,7 @@ public class AvailableGPXFragment extends OsmandExpandableListFragment implement
 		});
 
 		GPXTrackAnalysis analysis;
-		if ((analysis = getGpxTrackAnalysis(gpxInfo, app)) != null) {
+		if ((analysis = getGpxTrackAnalysis(gpxInfo, app, null)) != null) {
 			if (analysis.totalDistance != 0 && !gpxInfo.currentlyRecordingTrack) {
 				item = optionsMenu.getMenu().add(R.string.analyze_on_map).setIcon(iconsCache.getThemedIcon(R.drawable.ic_action_info_dark));
 				item.setOnMenuItemClickListener(new MenuItem.OnMenuItemClickListener() {
@@ -1439,7 +1459,7 @@ public class AvailableGPXFragment extends OsmandExpandableListFragment implement
 				LocalIndexesFragment.renameFile(getActivity(), gpxInfo.file, new RenameCallback() {
 					@Override
 					public void renamedTo(File file) {
-						app.getGpxDatabase().rename(gpxInfo.file, file);
+						app.getGpxDbHelper().rename(gpxInfo.file, file);
 						asyncLoader = new LoadGpxTask();
 						asyncLoader.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, getActivity());
 					}
@@ -1508,7 +1528,7 @@ public class AvailableGPXFragment extends OsmandExpandableListFragment implement
 				if (!isCancelled() && (info.gpx == null || !info.gpx.showCurrentTrack)) {
 					boolean successfull;
 					successfull = Algorithms.removeAllFiles(info.file);
-					app.getGpxDatabase().remove(info.file);
+					app.getGpxDbHelper().remove(info.file);
 					total++;
 					if (successfull) {
 						count++;
@@ -1591,80 +1611,6 @@ public class AvailableGPXFragment extends OsmandExpandableListFragment implement
 		}
 	}
 
-	public class ProcessGpxTask extends AsyncTask<Void, GpxDataItem, Void> {
-
-		private Map<File, GpxDataItem> processedDataFiles = new HashMap<>();
-		private GPXDatabase db = app.getGpxDatabase();
-
-		ProcessGpxTask() {
-			List<GpxDataItem> dataItems = db.getItems();
-			for (GpxDataItem item : dataItems) {
-				processedDataFiles.put(item.getFile(), item);
-			}
-		}
-
-		@Override
-		protected Void doInBackground(Void... params) {
-
-			File gpxPath = app.getAppPath(IndexConstants.GPX_INDEX_DIR);
-			if (gpxPath.canRead()) {
-				processGPXFolder(gpxPath, "");
-			}
-			return null;
-		}
-
-		private File[] listFilesSorted(File dir) {
-			File[] listFiles = dir.listFiles();
-			if (listFiles == null) {
-				return new File[0];
-			}
-			Arrays.sort(listFiles);
-			return listFiles;
-		}
-
-		private void processGPXFolder(File gpxPath, String gpxSubfolder) {
-			for (File gpxFile : listFilesSorted(gpxPath)) {
-				if (gpxFile.isDirectory()) {
-					String sub = gpxSubfolder.length() == 0 ?
-							gpxFile.getName() : gpxSubfolder + "/" + gpxFile.getName();
-					processGPXFolder(gpxFile, sub);
-				} else if (gpxFile.isFile() && gpxFile.getName().toLowerCase().endsWith(".gpx")) {
-					GpxDataItem item = processedDataFiles.get(gpxFile);
-					GPXTrackAnalysis itemAnalysis = item != null ? item.getAnalysis() : null;
-					if (item == null
-							|| item.getFileLastModifiedTime() != gpxFile.lastModified()
-							|| itemAnalysis == null
-							|| itemAnalysis.wptCategoryNames == null) {
-						GPXFile f = GPXUtilities.loadGPXFile(gpxFile);
-						GPXTrackAnalysis analysis = f.getAnalysis(gpxFile.lastModified());
-						if (item == null) {
-							item = new GpxDataItem(gpxFile, analysis);
-							db.add(item);
-						} else {
-							db.updateAnalysis(item, analysis);
-						}
-					}
-					processedDataFiles.put(gpxFile, item);
-					publishProgress(item);
-				}
-				if (isCancelled()) {
-					break;
-				}
-			}
-		}
-
-		@Override
-		protected void onProgressUpdate(GpxDataItem... items) {
-			allGpxAdapter.notifyDataSetChanged();
-		}
-
-		@Override
-		protected void onPostExecute(Void aVoid) {
-			asyncProcessor = null;
-			listView.setEmptyView(emptyView);
-		}
-	}
-
 	private class SearchFilter extends Filter {
 
 		@Override
@@ -1819,7 +1765,14 @@ public class AvailableGPXFragment extends OsmandExpandableListFragment implement
 		}
 	}
 
-	public static void updateGpxInfoView(View v, GpxInfo child, OsmandApplication app, boolean isDashItem) {
+	public interface GpxInfoViewCallback {
+
+		boolean isCancelled();
+
+		void onGpxDataItemChanged(GpxDataItem item);
+	}
+
+	public static void updateGpxInfoView(View v, GpxInfo child, OsmandApplication app, boolean isDashItem, @Nullable GpxInfoViewCallback callback) {
 		TextView viewName = ((TextView) v.findViewById(R.id.name));
 		if (!isDashItem) {
 			v.findViewById(R.id.divider_list).setVisibility(View.VISIBLE);
@@ -1843,7 +1796,7 @@ public class AvailableGPXFragment extends OsmandExpandableListFragment implement
 		if (getSelectedGpxFile(child, app) != null) {
 			icon.setImageDrawable(app.getUIUtilities().getIcon(R.drawable.ic_action_polygom_dark, R.color.color_distance));
 		}
-		GPXTrackAnalysis analysis = getGpxTrackAnalysis(child, app);
+		GPXTrackAnalysis analysis = getGpxTrackAnalysis(child, app, callback);
 		boolean sectionRead = analysis == null;
 		if (sectionRead) {
 			v.findViewById(R.id.read_section).setVisibility(View.GONE);
@@ -1911,15 +1864,29 @@ public class AvailableGPXFragment extends OsmandExpandableListFragment implement
 	}
 
 	@Nullable
-	private static GPXTrackAnalysis getGpxTrackAnalysis(GpxInfo gpxInfo, OsmandApplication app) {
+	private static GPXTrackAnalysis getGpxTrackAnalysis(GpxInfo gpxInfo, OsmandApplication app, @Nullable final GpxInfoViewCallback callback) {
 		SelectedGpxFile sgpx = getSelectedGpxFile(gpxInfo, app);
 		GPXTrackAnalysis analysis = null;
 		if (sgpx != null) {
 			analysis = sgpx.getTrackAnalysis();
 		} else if (gpxInfo.currentlyRecordingTrack) {
 			analysis = app.getSavingTrackHelper().getCurrentTrack().getTrackAnalysis();
-		} else {
+		} else if (gpxInfo.file != null) {
-			GpxDataItem dataItem = gpxInfo.file == null ? null : app.getGpxDatabase().getItem(gpxInfo.file);
+			GpxDataItemCallback analyserCallback = null;
+			if (callback != null) {
+				analyserCallback = new GpxDataItemCallback() {
+					@Override
+					public boolean isCancelled() {
+						return callback.isCancelled();
+					}
+
+					@Override
+					public void onGpxDataItemReady(GpxDataItem item) {
+						callback.onGpxDataItemChanged(item);
+					}
+				};
+			}
+			GpxDataItem dataItem = app.getGpxDbHelper().getItem(gpxInfo.file, analyserCallback);
 			if (dataItem != null) {
 				analysis = dataItem.getAnalysis();
 			}

OsmAnd/src/net/osmand/plus/myplaces/TrackActivityFragmentAdapter.java

@@ -381,12 +381,12 @@ public class TrackActivityFragmentAdapter implements TrackBitmapDrawerListener {
 												if (clr != 0 && sf.getModifiableGpxFile() != null) {
 													sf.getModifiableGpxFile().setColor(clr);
 													if (getGpxDataItem() != null) {
-														app.getGpxDatabase().updateColor(getGpxDataItem(), clr);
+														app.getGpxDbHelper().updateColor(getGpxDataItem(), clr);
 													}
 												}
 											}
 										} else if (getGpxDataItem() != null) {
-											app.getGpxDatabase().updateColor(getGpxDataItem(), clr);
+											app.getGpxDbHelper().updateColor(getGpxDataItem(), clr);
 										}
 										if (gpx != null && gpx.showCurrentTrack) {
 											app.getSettings().CURRENT_TRACK_COLOR.set(clr);
@@ -846,7 +846,7 @@ public class TrackActivityFragmentAdapter implements TrackBitmapDrawerListener {
 		}
 		GpxDataItem item = getGpxDataItem();
 		if (item != null) {
-			app.getGpxDatabase().updateSplit(item, splitType, splitInterval);
+			app.getGpxDbHelper().updateSplit(item, splitType, splitInterval);
 		}
 	}
 

OsmAnd/src/net/osmand/plus/routepreparationmenu/cards/TracksCard.java

@@ -10,7 +10,6 @@ import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
-import net.osmand.AndroidUtils;
 import net.osmand.GPXUtilities.GPXFile;
 import net.osmand.plus.GPXDatabase.GpxDataItem;
 import net.osmand.plus.R;
@@ -28,7 +27,6 @@ public class TracksCard extends BaseCard {
 
 	private List<GPXFile> gpxFiles;
 	private boolean showLimited = true;
-	private List<GpxDataItem> dataItems;
 
 	private static class GpxItem {
 		String title;
@@ -45,7 +43,6 @@ public class TracksCard extends BaseCard {
 	public TracksCard(MapActivity mapActivity, List<GPXFile> gpxFiles) {
 		super(mapActivity);
 		this.gpxFiles = gpxFiles;
-		this.dataItems = app.getGpxDatabase().getItems();
 	}
 
 	@Override
@@ -54,12 +51,7 @@ public class TracksCard extends BaseCard {
 	}
 
 	private GpxDataItem getDataItem(GPXInfo info) {
-		for (GpxDataItem item : dataItems) {
+		return app.getGpxDbHelper().getItem(new File(info.getFileName()));
-			if (item.getFile().getAbsolutePath().endsWith(info.getFileName())) {
-				return item;
-			}
-		}
-		return null;
 	}
 
 	@SuppressLint("DefaultLocale")