From f0827cc2ddafff5cf7681bd056c9b6f58f935177 Mon Sep 17 00:00:00 2001
From: Ilya Grechuhin <i.grechuhin@gmail.com>
Date: Tue, 16 Jan 2018 15:13:43 +0300
Subject: [PATCH] [MAPSME-6479] [ios] Fixed crash on iPad stop routing.

---
 .../MWMNavigationDashboardManager.mm                  | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/iphone/Maps/Classes/CustomViews/NavigationDashboard/MWMNavigationDashboardManager.mm b/iphone/Maps/Classes/CustomViews/NavigationDashboard/MWMNavigationDashboardManager.mm
index f2b1cc1644..4f74a33a08 100644
--- a/iphone/Maps/Classes/CustomViews/NavigationDashboard/MWMNavigationDashboardManager.mm
+++ b/iphone/Maps/Classes/CustomViews/NavigationDashboard/MWMNavigationDashboardManager.mm
@@ -152,7 +152,6 @@ using Observers = NSHashTable<Observer>;
 - (void)stateHidden
 {
   self.taxiDataSource = nil;
-  [self.routePreview remove];
   self.routePreview = nil;
   self.navigationInfoView.state = MWMNavigationInfoViewStateHidden;
   self.navigationInfoView = nil;
@@ -237,7 +236,6 @@ using Observers = NSHashTable<Observer>;
 - (void)onRouteStop { self.state = MWMNavigationDashboardStateHidden; }
 - (void)stateNavigation
 {
-  [self.routePreview remove];
   self.routePreview = nil;
   self.navigationInfoView.state = MWMNavigationInfoViewStateNavigation;
   self.navigationControlView.isVisible = YES;
@@ -390,6 +388,7 @@ using Observers = NSHashTable<Observer>;
   return _taxiDataSource;
 }
 
+@synthesize routePreview = _routePreview;
 - (MWMRoutePreview *)routePreview
 {
   if (!_routePreview)
@@ -397,6 +396,14 @@ using Observers = NSHashTable<Observer>;
   return _routePreview;
 }
 
+- (void)setRoutePreview:(MWMRoutePreview *)routePreview
+{
+  if (routePreview == _routePreview)
+    return;
+  [_routePreview remove];
+  _routePreview = routePreview;
+}
+
 - (MWMBaseRoutePreviewStatus *)baseRoutePreviewStatus
 {
   if (!_baseRoutePreviewStatus)