Assert if -mapView:symbolNameForAnnotation: is implemented

Fixes #1851.
mapbox · Jul 8, 2015 · 49fe6df · 49fe6df
1 parent a67e802
commit 49fe6df
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/platform/ios/MGLMapView.mm b/platform/ios/MGLMapView.mm
@@ -455,6 +455,14 @@ - (void)setDelegate:(nullable id<MGLMapViewDelegate>)delegate
     if (_delegate == delegate) return;
 
     _delegate = delegate;
+
+    if ([delegate respondsToSelector:@selector(mapView:symbolNameForAnnotation:)])
+    {
+        [NSException raise:@"Method unavailable" format:
+         @"-mapView:symbolNameForAnnotation: has been removed from the MGLMapViewDelegate protocol, but %@ still implements it. "
+         @"Implement -[%@ mapView:imageForAnnotation:] instead.",
+         NSStringFromClass([delegate class]), NSStringFromClass([delegate class])];
+    }
 }
 
 #pragma mark - Layout -