From 5992090cbd57318f8c30ca6027e056d943693701 Mon Sep 17 00:00:00 2001
From: Victor Shcherb <victor.shcherb@gmail.com>
Date: Tue, 5 Mar 2019 19:26:05 +0100
Subject: [PATCH] Add synchronized to avoid crashes

---
 .../net/osmand/plus/resources/IncrementalChangesManager.java  | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/OsmAnd/src/net/osmand/plus/resources/IncrementalChangesManager.java b/OsmAnd/src/net/osmand/plus/resources/IncrementalChangesManager.java
index 85ee219a99..c9de4ae387 100644
--- a/OsmAnd/src/net/osmand/plus/resources/IncrementalChangesManager.java
+++ b/OsmAnd/src/net/osmand/plus/resources/IncrementalChangesManager.java
@@ -64,7 +64,7 @@ public class IncrementalChangesManager {
 		return files;
 	}
 
-	public void indexMainMap(File f, long dateCreated) {
+	public synchronized void indexMainMap(File f, long dateCreated) {
 		String nm = Algorithms.getFileNameWithoutExtension(f).toLowerCase();
 		RegionUpdateFiles regionUpdateFiles = regions.get(nm);
 		if(regionUpdateFiles == null) {
@@ -111,7 +111,7 @@ public class IncrementalChangesManager {
 		}
 	}
 	
-	public boolean index(File f, long dateCreated, BinaryMapIndexReader mapReader) {
+	public synchronized boolean index(File f, long dateCreated, BinaryMapIndexReader mapReader) {
 		String index = Algorithms.getFileNameWithoutExtension(f).toLowerCase();
 		if(index.length() <= 9 || index.charAt(index.length() - 9) != '_'){
 			return false;