fixes #233: only set tile source if valid

Justin R. Miller
Commit 8724f7d2823974b4dfd3e6ce36a5488baf0ae573 1 parent 891af2b1
Showing 1 changed file with 5 additions and 2 deletions
MapView/Map/RMMapView.m
--- a/MapView/Map/RMMapView.m
View file @8724f7d
+++ b/MapView/Map/RMMapView.m
View file @8724f7d
@@ -1959,8 +1959,11 @@
 
 - (void)setTileSource:(id <RMTileSource>)tileSource
 {
-     [_tileSourcesContainer removeAllTileSources];
-     [self addTileSource:tileSource];
+     if (tileSource)
+     {
+         [_tileSourcesContainer removeAllTileSources];
+         [self addTileSource:tileSource];
+     }
 }
 
 - (void)setTileSources:(NSArray *)tileSources