From b5f84e682fd2e37def9916b69e080211a2624786 Mon Sep 17 00:00:00 2001
From: Brad Leege <bleege@gmail.com>
Date: Tue, 3 Mar 2015 14:51:14 -0600
Subject: [PATCH] #877 - Adding logic to hide / make visible pins that should
 no longer appear on the screen after a map move

---
 ios/app/MBXViewController.mm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/ios/app/MBXViewController.mm b/ios/app/MBXViewController.mm
index 2668c6d2ddf..3c116528433 100644
--- a/ios/app/MBXViewController.mm
+++ b/ios/app/MBXViewController.mm
@@ -177,8 +177,12 @@ - (void)refresh:(CADisplayLink *)link
             CLLocationCoordinate2D c = CLLocationCoordinate2DMake([feature[@"geometry"][@"coordinates"][1] doubleValue],
                                                                   [feature[@"geometry"][@"coordinates"][0] doubleValue]);
             CGPoint p = [self.mapView convertCoordinate:c toPointToView:self.mapView];
+            UIView *pin = (UIView *)feature[@"view"];
             if (CGRectContainsPoint(self.mapView.bounds, p)) {
-                ((UIView *)feature[@"view"]).center = p;
+                pin.center = p;
+                [pin setHidden:NO];
+            } else {
+                [pin setHidden:YES];
             }
         }