From 007f9fb51bca1f0a953589b9b511ed3ec98094f6 Mon Sep 17 00:00:00 2001
From: Alex Sytnyk <asytnyk0@gmail.com>
Date: Mon, 21 May 2018 12:02:21 +0300
Subject: [PATCH] Surround library crash with try-catch

---
 .../net/osmand/plus/voice/AbstractPrologCommandPlayer.java  | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/OsmAnd/src/net/osmand/plus/voice/AbstractPrologCommandPlayer.java b/OsmAnd/src/net/osmand/plus/voice/AbstractPrologCommandPlayer.java
index 15eac5021e..219010b4be 100644
--- a/OsmAnd/src/net/osmand/plus/voice/AbstractPrologCommandPlayer.java
+++ b/OsmAnd/src/net/osmand/plus/voice/AbstractPrologCommandPlayer.java
@@ -126,7 +126,11 @@ public abstract class AbstractPrologCommandPlayer implements CommandPlayer, Stat
 	@Override
 	public void stateChanged(ApplicationMode change) {
 		if(prologSystem != null) {
-			prologSystem.getTheoryManager().retract(new Struct("appMode", new Var()));
+			try {
+				prologSystem.getTheoryManager().retract(new Struct("appMode", new Var()));
+			} catch (Exception e) {
+				log.error("Retract error: ", e);
+			}
 			prologSystem.getTheoryManager()
 				.assertA(
 						new Struct("appMode", new Struct(ctx.getSettings().APPLICATION_MODE.get().getStringKey()