Checks to ensure that backgroundModes is not null before using it.

JasonBro · JasonBro · commit d155f350375b · 2016-07-06T09:36:13.000+01:00
diff --git a/src/Geolocator.Plugin.iOS/GeolocatorImplementation.cs b/src/Geolocator.Plugin.iOS/GeolocatorImplementation.cs
@@ -149,7 +149,7 @@ public Task<Position> GetPositionAsync(int timeoutMilliseconds = Timeout.Infinit
 				if (UIDevice.CurrentDevice.CheckSystemVersion(9, 0))
 				{
 					NSArray backgroundModes = NSBundle.MainBundle.InfoDictionary[(NSString)"UIBackgroundModes"] as NSArray;
-					m.AllowsBackgroundLocationUpdates = backgroundModes.Contains((NSString)"Location") || backgroundModes.Contains((NSString)"location");
+					m.AllowsBackgroundLocationUpdates = backgroundModes != null && (backgroundModes.Contains((NSString)"Location") || backgroundModes.Contains((NSString)"location"));
 				}
 					
                 // always prevent location update pausing since we're only listening for a single update.

Original file line number	Diff line number	Diff line change
`@@ -149,7 +149,7 @@ public Task<Position> GetPositionAsync(int timeoutMilliseconds = Timeout.Infinit`
`149`	`149`	`if (UIDevice.CurrentDevice.CheckSystemVersion(9, 0))`
`150`	`150`	`{`
`151`	`151`	`NSArray backgroundModes = NSBundle.MainBundle.InfoDictionary[(NSString)"UIBackgroundModes"] as NSArray;`
`152`		`- m.AllowsBackgroundLocationUpdates = backgroundModes.Contains((NSString)"Location") \|\| backgroundModes.Contains((NSString)"location");`
	`152`	`+ m.AllowsBackgroundLocationUpdates = backgroundModes != null && (backgroundModes.Contains((NSString)"Location") \|\| backgroundModes.Contains((NSString)"location"));`
`153`	`153`	`}`
`154`	`154`
`155`	`155`	`// always prevent location update pausing since we're only listening for a single update.`