Speed up resource loading

DataExtractionOSM/src-tests/net/osmand/router/JUnitRouteTest.java

@@ -46,7 +46,7 @@ public class JUnitRouteTest  {
 		int it = 0;
 		for (File f : files) {
 			RandomAccessFile raf = new RandomAccessFile(f, "r"); //$NON-NLS-1$ //$NON-NLS-2$
-			rs[it++] = new BinaryMapIndexReader(raf, false);
+			rs[it++] = new BinaryMapIndexReader(raf);
 		}
 	}
 	

DataExtractionOSM/src-tests/net/osmand/router/RouterTestsSuite.java

@@ -96,7 +96,7 @@ public class RouterTestsSuite {
 		int it = 0;
 		for (File f : files) {
 			RandomAccessFile raf = new RandomAccessFile(f, "r"); //$NON-NLS-1$ //$NON-NLS-2$
-			rs[it++] = new BinaryMapIndexReader(raf, false);
+			rs[it++] = new BinaryMapIndexReader(raf);
 		}
 		
 		boolean allSuccess = true;

DataExtractionOSM/src/net/osmand/binary/BinaryMapAddressReaderAdapter.java

@@ -46,6 +46,18 @@ public class BinaryMapAddressReaderAdapter {
 		List<CitiesBlock> cities = new ArrayList<BinaryMapAddressReaderAdapter.CitiesBlock>();
 		
 		LatLon calculatedCenter = null;
+		
+		public String getEnName() {
+			return enName;
+		}
+		
+		public List<CitiesBlock> getCities() {
+			return cities;
+		}
+		
+		public int getIndexNameOffset() {
+			return indexNameOffset;
+		}
 	}
 	
 	public static class CitiesBlock extends BinaryIndexPart {

DataExtractionOSM/src/net/osmand/binary/BinaryMapIndexReader.java

@@ -58,16 +58,16 @@ public class BinaryMapIndexReader {
 	private final static Log log = LogUtil.getLog(BinaryMapIndexReader.class);
 	
 	private final RandomAccessFile raf;
-	private int version;
-	private long dateCreated;
+	/*private*/ int version;
+	/*private */long dateCreated;
 	// keep them immutable inside
-	private boolean basemap = false;
-	private List<MapIndex> mapIndexes = new ArrayList<MapIndex>();
-	private List<PoiRegion> poiIndexes = new ArrayList<PoiRegion>();
-	private List<AddressRegion> addressIndexes = new ArrayList<AddressRegion>();
-	private List<TransportIndex> transportIndexes = new ArrayList<TransportIndex>();
-	private List<RouteRegion> routingIndexes = new ArrayList<RouteRegion>();
-	private List<BinaryIndexPart> indexes = new ArrayList<BinaryIndexPart>();
+	/*private */ boolean basemap = false;
+	/*private */List<MapIndex> mapIndexes = new ArrayList<MapIndex>();
+	/*private */List<PoiRegion> poiIndexes = new ArrayList<PoiRegion>();
+	/*private */List<AddressRegion> addressIndexes = new ArrayList<AddressRegion>();
+	/*private */List<TransportIndex> transportIndexes = new ArrayList<TransportIndex>();
+	/*private */List<RouteRegion> routingIndexes = new ArrayList<RouteRegion>();
+	/*private */List<BinaryIndexPart> indexes = new ArrayList<BinaryIndexPart>();
 	
 	protected CodedInputStreamRAF codedIS;
 	
@@ -80,7 +80,27 @@ public class BinaryMapIndexReader {
 
 	
 	public BinaryMapIndexReader(final RandomAccessFile raf) throws IOException {
-		this(raf, false);
+		this.raf = raf;
+		codedIS = CodedInputStreamRAF.newInstance(raf, 1024 * 5);
+		codedIS.setSizeLimit(Integer.MAX_VALUE); // 2048 MB
+		transportAdapter = new BinaryMapTransportReaderAdapter(this);
+		addressAdapter = new BinaryMapAddressReaderAdapter(this);
+		poiAdapter = new BinaryMapPoiReaderAdapter(this);
+		routeAdapter = new BinaryMapRouteReaderAdapter(this);
+		init();
+	}
+	
+	/*private */BinaryMapIndexReader(final RandomAccessFile raf, boolean init) throws IOException {
+		this.raf = raf;
+		codedIS = CodedInputStreamRAF.newInstance(raf, 1024 * 5);
+		codedIS.setSizeLimit(Integer.MAX_VALUE); // 2048 MB
+		transportAdapter = new BinaryMapTransportReaderAdapter(this);
+		addressAdapter = new BinaryMapAddressReaderAdapter(this);
+		poiAdapter = new BinaryMapPoiReaderAdapter(this);
+		routeAdapter = new BinaryMapRouteReaderAdapter(this);
+		if(init) {
+			init();
+		}
 	}
 	
 	public BinaryMapIndexReader(final RandomAccessFile raf, BinaryMapIndexReader referenceToSameFile) throws IOException {
@@ -101,23 +121,6 @@ public class BinaryMapIndexReader {
 		basemap = referenceToSameFile.basemap;
 	}
 	
-	public BinaryMapIndexReader(final RandomAccessFile raf, boolean readOnlyMapData) throws IOException {
-		this.raf = raf;
-		codedIS = CodedInputStreamRAF.newInstance(raf, 1024 * 5);
-		codedIS.setSizeLimit(Integer.MAX_VALUE); // 2048 MB
-		if(!readOnlyMapData){
-			transportAdapter = new BinaryMapTransportReaderAdapter(this);
-			addressAdapter = new BinaryMapAddressReaderAdapter(this);
-			poiAdapter = new BinaryMapPoiReaderAdapter(this);
-			routeAdapter = new BinaryMapRouteReaderAdapter(this);
-		} else {
-			transportAdapter = null;
-			addressAdapter = null;
-			poiAdapter = null;
-			routeAdapter = null;
-		}
-		init();
-	}
 	
 	public long getDateCreated() {
 		return dateCreated;
@@ -420,6 +423,10 @@ public class BinaryMapIndexReader {
 		return getTransportIndex(s.getFileOffset()) != null;
 	}
 	
+	public List<TransportIndex> getTransportIndexes() {
+		return transportIndexes;
+	}
+	
 	private TransportIndex getTransportIndex(int filePointer) {
 		TransportIndex ind = null;
 		for(TransportIndex i : transportIndexes){

DataExtractionOSM/src/net/osmand/binary/CachedOsmandIndexes.java

@@ -0,0 +1,309 @@
+package net.osmand.binary;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.RandomAccessFile;
+
+import org.apache.commons.logging.Log;
+
+import net.osmand.LogUtil;
+import net.osmand.binary.BinaryMapAddressReaderAdapter.AddressRegion;
+import net.osmand.binary.BinaryMapAddressReaderAdapter.CitiesBlock;
+import net.osmand.binary.BinaryMapIndexReader.MapIndex;
+import net.osmand.binary.BinaryMapIndexReader.MapRoot;
+import net.osmand.binary.BinaryMapPoiReaderAdapter.PoiRegion;
+import net.osmand.binary.BinaryMapRouteReaderAdapter.RouteRegion;
+import net.osmand.binary.BinaryMapRouteReaderAdapter.RouteSubregion;
+import net.osmand.binary.BinaryMapTransportReaderAdapter.IndexStringTable;
+import net.osmand.binary.BinaryMapTransportReaderAdapter.TransportIndex;
+import net.osmand.binary.OsmandIndex.AddressPart;
+import net.osmand.binary.OsmandIndex.CityBlock;
+import net.osmand.binary.OsmandIndex.FileIndex;
+import net.osmand.binary.OsmandIndex.MapLevel;
+import net.osmand.binary.OsmandIndex.MapPart;
+import net.osmand.binary.OsmandIndex.OsmAndStoredIndex;
+import net.osmand.binary.OsmandIndex.PoiPart;
+import net.osmand.binary.OsmandIndex.RoutingPart;
+import net.osmand.binary.OsmandIndex.RoutingSubregion;
+import net.osmand.binary.OsmandIndex.TransportPart;
+import net.osmand.osm.MapUtils;
+
+public class CachedOsmandIndexes {
+	
+	private OsmAndStoredIndex storedIndex;
+	private OsmAndStoredIndex.Builder storedIndexBuilder;
+	private Log log = LogUtil.getLog(CachedOsmandIndexes.class);
+	private boolean hasChanged = true;
+	
+	public static final int VERSION = 1;
+
+	public void addToCache(BinaryMapIndexReader reader, File f) {
+		hasChanged = true;
+		if(storedIndexBuilder == null) {
+			storedIndexBuilder = OsmandIndex.OsmAndStoredIndex.newBuilder();
+			storedIndexBuilder.setVersion(VERSION);
+			storedIndexBuilder.setDateCreated(System.currentTimeMillis());
+		}
+		
+		FileIndex.Builder fileIndex = OsmandIndex.FileIndex.newBuilder();
+		fileIndex.setDateModified(f.lastModified());
+		fileIndex.setSize(f.length());
+		fileIndex.setVersion(reader.getVersion());
+		fileIndex.setFileName(f.getName());
+		for(MapIndex index : reader.getMapIndexes()) {
+			MapPart.Builder map = OsmandIndex.MapPart.newBuilder();
+			map.setSize(index.getLength());
+			map.setOffset(index.getFilePointer());
+			if(index.getName() != null) {
+				map.setName(index.getName());
+			}
+			for(MapRoot mr : index.getRoots() ) {
+				MapLevel.Builder lev = OsmandIndex.MapLevel.newBuilder();
+				lev.setSize(mr.length);
+				lev.setOffset(mr.filePointer);
+				lev.setLeft(mr.left);
+				lev.setRight(mr.right);
+				lev.setTop(mr.top);
+				lev.setBottom(mr.bottom);
+				lev.setMinzoom(mr.minZoom);
+				lev.setMaxzoom(mr.maxZoom);
+				map.addLevels(lev);
+			}
+			fileIndex.addMapIndex(map);
+		}
+		
+		for(AddressRegion index : reader.getAddressIndexes()) {
+			AddressPart.Builder addr = OsmandIndex.AddressPart.newBuilder();
+			addr.setSize(index.getLength());
+			addr.setOffset(index.getFilePointer());
+			if(index.getName() != null) {
+				addr.setName(index.getName());
+			}
+			if(index.getEnName() != null) {
+				addr.setNameEn(index.getEnName());
+			}
+			addr.setIndexNameOffset(index.getIndexNameOffset());
+			for(CitiesBlock mr : index.getCities() ) {
+				CityBlock.Builder cblock = OsmandIndex.CityBlock.newBuilder();
+				cblock.setSize(mr.length);
+				cblock.setOffset(mr.filePointer);
+				cblock.setType(mr.type);
+				addr.addCities(cblock);
+			}
+			fileIndex.addAddressIndex(addr);
+		}
+		
+		for(PoiRegion index : reader.getPoiIndexes()) {
+			PoiPart.Builder poi = OsmandIndex.PoiPart.newBuilder();
+			poi.setSize(index.getLength());
+			poi.setOffset(index.getFilePointer());
+			if(index.getName() != null) {
+				poi.setName(index.getName());
+			}
+			poi.setLeft(MapUtils.get31TileNumberX(index.getLeftLongitude()));
+			poi.setRight(MapUtils.get31TileNumberX(index.getRightLongitude()));
+			poi.setTop(MapUtils.get31TileNumberY(index.getTopLatitude()));
+			poi.setBottom(MapUtils.get31TileNumberY(index.getBottomLatitude()));
+			fileIndex.addPoiIndex(poi.build());
+		}
+		
+		for(TransportIndex index : reader.getTransportIndexes()) {
+			TransportPart.Builder transport = OsmandIndex.TransportPart.newBuilder();
+			transport.setSize(index.getLength());
+			transport.setOffset(index.getFilePointer());
+			if(index.getName() != null) {
+				transport.setName(index.getName());
+			}
+			transport.setLeft(index.getLeft());
+			transport.setRight(index.getRight());
+			transport.setTop(index.getTop());
+			transport.setBottom(index.getBottom());
+			transport.setStopsTableLength(index.stopsFileLength);
+			transport.setStopsTableOffset(index.stopsFileOffset);
+			transport.setStringTableLength(index.stringTable.length);
+			transport.setStringTableOffset(index.stringTable.fileOffset);
+			fileIndex.addTransportIndex(transport);
+		}
+		
+		for(RouteRegion index : reader.getRoutingIndexes()) {
+			RoutingPart.Builder routing = OsmandIndex.RoutingPart.newBuilder();
+			routing.setSize(index.getLength());
+			routing.setOffset(index.getFilePointer());
+			if(index.getName() != null) {
+				routing.setName(index.getName());
+			}
+			for(RouteSubregion sub : index.getSubregions()) {
+				OsmandIndex.RoutingSubregion.Builder rpart = OsmandIndex.RoutingSubregion.newBuilder();
+				rpart.setSize(sub.length);
+				rpart.setOffset(sub.filePointer);
+				rpart.setLeft(sub.left);
+				rpart.setRight(sub.right);
+				rpart.setTop(sub.top);
+				rpart.setBottom(sub.bottom);
+				rpart.setShifToData(sub.shiftToData);
+				routing.addSubregions(rpart);
+			}
+			fileIndex.addRoutingIndex(routing);
+		}
+		
+		storedIndexBuilder.addFileIndex(fileIndex);
+		
+	}
+	
+	public BinaryMapIndexReader getReader(File f) throws IOException {
+		RandomAccessFile mf = new RandomAccessFile(f, "r");
+		FileIndex found = null;
+		if (storedIndex != null) {
+			for (int i = 0; i < storedIndex.getFileIndexCount(); i++) {
+				FileIndex fi = storedIndex.getFileIndex(i);
+				if (f.length() == fi.getSize() && f.getName().equals(fi.getFileName())) {
+					// f.lastModified() == fi.getDateModified()
+					found = fi;
+					break;
+				}
+			}
+		}
+		BinaryMapIndexReader reader = null;
+		if (found == null) {
+			long val = System.currentTimeMillis();
+			reader = new BinaryMapIndexReader(mf);
+			addToCache(reader, f);
+			if (log.isDebugEnabled()) {
+				log.debug("Initializing db " + f.getAbsolutePath() + " " + (System.currentTimeMillis() - val ) + "ms"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+			}
+		} else {
+			reader = initFileIndex(found, mf);
+		}
+		return reader;
+	}
+	
+	private BinaryMapIndexReader initFileIndex(FileIndex found, RandomAccessFile mf) throws IOException {
+		BinaryMapIndexReader reader = new BinaryMapIndexReader(mf, false);
+		reader.version = found.getVersion();
+		reader.dateCreated =found.getDateModified();
+		
+		for(MapPart index : found.getMapIndexList()) {
+			MapIndex mi = new MapIndex();
+			mi.length = (int) index.getSize();
+			mi.filePointer = (int) index.getOffset();
+			mi.name = index.getName();
+			
+			for(MapLevel mr : index.getLevelsList()) {
+				MapRoot root = new MapRoot();
+				root.length = (int) mr.getSize();
+				root.filePointer = (int) mr.getOffset();
+				root.left = mr.getLeft();
+				root.right = mr.getRight();
+				root.top = mr.getTop();
+				root.bottom = mr.getBottom();
+				root.minZoom = mr.getMinzoom();
+				root.maxZoom = mr.getMaxzoom();
+				mi.roots.add(root);
+			}
+			reader.mapIndexes.add(mi);
+			reader.indexes.add(mi);
+			reader.basemap = reader.basemap || mi.isBaseMap();
+		}
+		
+		for(AddressPart index : found.getAddressIndexList()) {
+			AddressRegion mi = new AddressRegion();
+			mi.length = (int) index.getSize();
+			mi.filePointer = (int) index.getOffset();
+			mi.name = index.getName();
+			mi.enName = index.getNameEn();
+			mi.indexNameOffset = index.getIndexNameOffset();
+			for(CityBlock mr : index.getCitiesList() ) {
+				CitiesBlock cblock = new CitiesBlock();
+				cblock.length = (int) mr.getSize();
+				cblock.filePointer = (int) mr.getOffset();
+				cblock.type = mr.getType();
+				mi.cities.add(cblock);
+			}
+			reader.addressIndexes.add(mi);
+			reader.indexes.add(mi);
+		}
+		
+		for(PoiPart index : found.getPoiIndexList()) {
+			PoiRegion mi = new PoiRegion();
+			mi.length = (int) index.getSize();
+			mi.filePointer = (int) index.getOffset();
+			mi.name = index.getName();
+			mi.leftLongitude = MapUtils.get31LongitudeX(index.getLeft());
+			mi.rightLongitude = MapUtils.get31LongitudeX(index.getRight());
+			mi.topLatitude =MapUtils.get31LatitudeY(index.getTop());
+			mi.bottomLatitude = MapUtils.get31LatitudeY(index.getBottom());
+			reader.poiIndexes.add(mi);
+			reader.indexes.add(mi);
+		}
+		
+		for(TransportPart index : found.getTransportIndexList()) {
+			TransportIndex mi = new TransportIndex();
+			mi.length = (int) index.getSize();
+			mi.filePointer = (int) index.getOffset();
+			mi.name = index.getName();
+			mi.left = index.getLeft();
+			mi.right =index.getRight();
+			mi.top = index.getTop();
+			mi.bottom = index.getBottom();
+			mi.stopsFileLength = index.getStopsTableLength();
+			mi.stopsFileOffset = index.getStopsTableOffset();
+			mi.stringTable = new IndexStringTable();
+			mi.stringTable.fileOffset = index.getStringTableOffset();
+			mi.stringTable.length = index.getStringTableLength();
+			reader.transportIndexes.add(mi);
+			reader.indexes.add(mi);
+		}
+		
+		for(RoutingPart  index : found.getRoutingIndexList()) {
+			RouteRegion mi = new RouteRegion();
+			mi.length = (int) index.getSize();
+			mi.filePointer = (int) index.getOffset();
+			mi.name = index.getName();
+			
+			for(RoutingSubregion mr : index.getSubregionsList()) {
+				RouteSubregion sub = new RouteSubregion(mi);
+				sub.length = (int) mr.getSize();
+				sub.filePointer = (int) mr.getOffset();
+				sub.left = mr.getLeft();
+				sub.right = mr.getRight();
+				sub.top = mr.getTop();
+				sub.bottom = mr.getBottom();
+				sub.shiftToData = mr.getShifToData();
+				mi.subregions.add(sub);
+			}
+			reader.routingIndexes.add(mi);
+			reader.indexes.add(mi);
+		}
+		
+		return reader;
+	}
+
+	public void readFromFile(File f, int version) throws IOException {
+		long time = System.currentTimeMillis();
+		FileInputStream is = new FileInputStream(f);
+		try {
+			storedIndex = OsmandIndex.OsmAndStoredIndex.newBuilder().mergeFrom(is).build();
+			hasChanged = false;
+			if(storedIndex.getVersion() != version){
+				storedIndex = null;
+			}
+		} finally {
+			is.close();
+		}
+		log.info("Initialize cache " + (System.currentTimeMillis() - time));
+	}
+	
+	public void writeToFile(File f) throws IOException {
+		if (hasChanged) {
+			FileOutputStream outputStream = new FileOutputStream(f);
+			try {
+				storedIndexBuilder.build().writeTo(outputStream);
+			} finally {
+				outputStream.close();
+			}
+		}
+	}
+
+}

DataExtractionOSM/src/net/osmand/swing/MapClusterLayer.java

@@ -110,7 +110,7 @@ public class MapClusterLayer implements MapPanelLayer {
 		for (File f : new File(DataExtractionSettings.getSettings().getBinaryFilesDir()).listFiles()) {
 			if (f.getName().endsWith(".obf")) {
 				RandomAccessFile raf = new RandomAccessFile(f, "r"); //$NON-NLS-1$ //$NON-NLS-2$
-				rs.add(new BinaryMapIndexReader(raf, false));
+				rs.add(new BinaryMapIndexReader(raf));
 			}
 		}
 		BinaryRoutePlanner router = new BinaryRoutePlanner(NativeSwingRendering.getDefaultFromSettings(),

DataExtractionOSM/src/net/osmand/swing/MapRouterLayer.java

@@ -594,7 +594,7 @@ public class MapRouterLayer implements MapPanelLayer {
 				int it = 0;
 				for (File f : files) {
 					RandomAccessFile raf = new RandomAccessFile(f, "r"); //$NON-NLS-1$ //$NON-NLS-2$
-					rs[it++] = new BinaryMapIndexReader(raf, false);
+					rs[it++] = new BinaryMapIndexReader(raf);
 				}
 				String m = DataExtractionSettings.getSettings().getRouteMode();
 				String[] props = m.split("\\,");

DataExtractionOSM/src/osmand_index.proto

@@ -0,0 +1,105 @@
+// Highly coupled with protobuf 2.3.0
+option java_package = "net.osmand.binary";
+//protoc --java_out=DataExtractionOSM/src DataExtractionOSM/src/osmand_index.proto
+
+// C++ # cd OsmAnd
+// # protoc --proto_path=../DataExtractionOSM/src --cpp_out=jni/osmand/proto ../DataExtractionOSM/src/osmand_odb.proto
+
+message OsmAndStoredIndex {
+   required uint32 version = 1;
+
+   // System.currentTimeMillis()
+   required int64 dateCreated = 18;
+
+   repeated FileIndex fileIndex = 7;
+   
+}
+
+message FileIndex {
+	required int64 size = 1;
+	required int64 dateModified = 2;
+	required string fileName = 3;
+	required int32 version = 4;
+	repeated AddressPart addressIndex = 8;
+	repeated TransportPart transportIndex = 9;
+	repeated PoiPart poiIndex = 10;
+	repeated MapPart mapIndex = 11;
+	repeated RoutingPart routingIndex = 12;
+}
+
+message AddressPart {
+	required int64 size = 1;
+	required int64 offset = 2;
+	optional string name = 3;
+	optional string nameEn = 4;
+	optional int32 indexNameOffset = 5;
+	repeated CityBlock cities = 8;
+}
+message CityBlock {
+	required int64 size = 1;
+	required int64 offset = 2;
+	required int32 type = 3;
+}
+
+message PoiPart {
+	required int64 size = 1;
+	required int64 offset = 2;
+	optional string name = 3;
+	required int32 left = 4;
+	required int32 right = 5;
+	required int32 top = 6;
+	required int32 bottom = 7;
+}
+
+
+message MapLevel {
+	required int64 size = 1;
+	required int64 offset = 2;
+	required int32 left = 4;
+	required int32 right = 5;
+	required int32 top = 6;
+	required int32 bottom = 7;
+	optional int32 minzoom = 8;
+	optional int32 maxzoom = 9;
+}
+
+message MapPart {
+	required int64 size = 1;
+	required int64 offset = 2;
+	optional string name = 3;
+
+	repeated MapLevel levels = 5;
+}
+
+message RoutingSubregion  {
+	required int64 size = 1;
+	required int64 offset = 2;
+
+	required int32 left = 4;
+	required int32 right = 5;
+	required int32 top = 6;
+	required int32 bottom = 7;
+	required uint32 shifToData = 8;
+}
+
+
+message RoutingPart {
+	required int64 size = 1;
+	required int64 offset = 2;
+	optional string name = 3;
+
+	repeated RoutingSubregion subregions =5;
+}
+message TransportPart {
+	required int64 size = 1;
+	required int64 offset = 2;
+	optional string name = 3;
+	optional int32 left = 4;
+	optional int32 right = 5;
+	optional int32 top = 6;
+	optional int32 bottom = 7;
+	optional uint32 stringTableOffset = 8;
+	optional uint32 stringTableLength = 9;
+	optional uint32 stopsTableOffset = 10;
+	optional uint32 stopsTableLength = 11;
+}

OsmAnd/.project

@@ -89,6 +89,11 @@
 			<arguments>
 			</arguments>
 		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.xtext.ui.shared.xtextBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
 	</buildSpec>
 	<natures>
 		<nature>com.android.ide.eclipse.adt.AndroidNature</nature>
@@ -97,6 +102,7 @@
 		<nature>org.eclipse.cdt.core.ccnature</nature>
 		<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
 		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
+		<nature>org.eclipse.xtext.ui.shared.xtextNature</nature>
 	</natures>
 	<linkedResources>
 		<link>

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

@@ -24,6 +24,7 @@ import net.osmand.LogUtil;
 import net.osmand.ResultMatcher;
 import net.osmand.Version;
 import net.osmand.binary.BinaryMapIndexReader;
+import net.osmand.binary.CachedOsmandIndexes;
 import net.osmand.data.Amenity;
 import net.osmand.data.AmenityType;
 import net.osmand.data.IndexConstants;
@@ -69,6 +70,7 @@ public class ResourceManager {
 	public static final String VOICE_PATH = APP_DIR + IndexConstants.VOICE_INDEX_DIR;
 	public static final String GPX_PATH = APP_DIR + "tracks";
 	public static final String MAPS_PATH = APP_DIR;
+	public static final String INDEXES_CACHE = APP_DIR + "ind.cache";
 	public static final String BACKUP_PATH = APP_DIR + "backup/";
 	public static final String TILES_PATH = APP_DIR+"tiles/"; //$NON-NLS-1$
 	public static final String TEMP_SOURCE_TO_LOAD = "temp"; //$NON-NLS-1$
@@ -526,12 +528,34 @@ public class ResourceManager {
 		file.mkdirs();
 		List<String> warnings = new ArrayList<String>();
 		renderer.clearAllResources();
+		CachedOsmandIndexes cachedOsmandIndexes = new CachedOsmandIndexes();
+		File indCache = context.getSettings().extendOsmandPath(INDEXES_CACHE);
+		if(indCache.exists()) {
+			try {
+				cachedOsmandIndexes.readFromFile(indCache, CachedOsmandIndexes.VERSION);
+			} catch (Exception e) {
+				log.error(e.getMessage(), e);
+			}
+		}
 		if (file.exists() && file.canRead()) {
+			long val = System.currentTimeMillis();
 			for (File f : file.listFiles()) {
 				if (f.getName().endsWith(IndexConstants.BINARY_MAP_INDEX_EXT)) {
 					progress.startTask(context.getString(R.string.indexing_map) + " " + f.getName(), -1); //$NON-NLS-1$
 					try {
-						BinaryMapIndexReader index = renderer.initializeNewResource(progress, f);
+						BinaryMapIndexReader index = null;
+						try {
+							index = cachedOsmandIndexes.getReader(f);
+							
+							if (index.getVersion() != IndexConstants.BINARY_MAP_VERSION) {
+								index = null;
+							}
+							if (index != null) {
+								renderer.initializeNewResource(progress, f, index);
+							}
+						} catch (IOException e) {
+							log.error(String.format("File %s could not be read", f.getName()), e);
+						}
 						if (index == null || (Version.isFreeVersion(context) && f.getName().contains("_wiki"))) {
 							warnings.add(MessageFormat.format(context.getString(R.string.version_index_is_not_supported), f.getName())); //$NON-NLS-1$
 						} else {
@@ -584,6 +608,14 @@ public class ResourceManager {
 					warnings.add(MessageFormat.format(context.getString(R.string.old_map_index_is_not_supported), f.getName())); //$NON-NLS-1$
 				}
 			}
+			log.debug("All map files initialized " + (System.currentTimeMillis() - val) + " ms");
+		}
+		if(!indCache.exists() || indCache.canWrite()){
+			try {
+				cachedOsmandIndexes.writeToFile(indCache);
+			} catch (Exception e) {
+				log.error("Index file could not be written", e);
+			}
 		}
 		return warnings;
 	}

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

@@ -355,7 +355,7 @@ public class LocalIndexHelper {
 	private void updateObfFileInformation(LocalIndexInfo info, File mapFile) {
 		try {
 			RandomAccessFile mf = new RandomAccessFile(mapFile, "r");
-			BinaryMapIndexReader reader = new BinaryMapIndexReader(mf, false);
+			BinaryMapIndexReader reader = new BinaryMapIndexReader(mf);
 			
 			info.setNotSupported(reader.getVersion() != IndexConstants.BINARY_MAP_VERSION);
 			List<BinaryIndexPart> indexes = reader.getIndexes();

OsmAnd/src/net/osmand/plus/render/MapRenderRepositories.java

@@ -104,58 +104,25 @@ public class MapRenderRepositories {
 		return context;
 	}
 
-	public BinaryMapIndexReader initializeNewResource(final IProgress progress, File file) {
+	public void initializeNewResource(final IProgress progress, File file, BinaryMapIndexReader reader) {
 		long start = System.currentTimeMillis();
 		if (files.containsKey(file.getAbsolutePath())) {
 			closeConnection(files.get(file.getAbsolutePath()), file.getAbsolutePath());
 		
 		}
-		RandomAccessFile raf = null;
-		BinaryMapIndexReader reader = null;
-		try {
-			raf = new RandomAccessFile(file, "r"); //$NON-NLS-1$
-			reader = new BinaryMapIndexReader(raf);
-			if (reader.getVersion() != IndexConstants.BINARY_MAP_VERSION) {
-				return null;
-			}
 		files.put(file.getAbsolutePath(), reader);
-
-		} catch (IOException e) {
-			log.error("No connection or unsupported version", e); //$NON-NLS-1$
-			if (raf != null) {
-				try {
-					raf.close();
-				} catch (IOException e1) {
-				}
-			}
-			return null;
-		} catch (OutOfMemoryError oome) {
-			if (raf != null) {
-				try {
-					raf.close();
-				} catch (IOException e1) {
-				}
-			}
-			throw oome;
-		}
-		long val = System.currentTimeMillis();
-		if (log.isDebugEnabled()) {
-			log.debug("Initializing db " + file.getAbsolutePath() + " " + (val - start) + "ms"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
-		}
 		NativeOsmandLibrary nativeLib = prefs.NATIVE_RENDERING.get() ? NativeOsmandLibrary.getLoadedLibrary() : null;
 		if (nativeLib != null) {
-			start = val;
 			if (!nativeLib.initMapFile(file.getAbsolutePath())) {
 				log.debug("Initializing native db " + file.getAbsolutePath() + " failed!"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 			} else {
 				nativeFiles.add(file.getAbsolutePath());
-				val = System.currentTimeMillis();
+				long val = System.currentTimeMillis();
 				if (log.isDebugEnabled()) {
 					log.debug("Initializing native db " + file.getAbsolutePath() + " " + (val - start) + "ms"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 				}
 			}
 		}
-		return reader;
 	}
 
 	public RotatedTileBox getBitmapLocation() {