Update documentation

platform/ios/app/MBXViewController.m

@@ -2368,25 +2368,6 @@ - (void)mapView:(nonnull MGLMapView *)mapView didChangeLocationManagerAuthorizat
     }
 }
 
-- (MGLUserLocationAnnotationViewStyle *)mapViewStyleForDefaultUserLocationAnnotationView:(MGLMapView *)mapView {
-    MGLUserLocationAnnotationViewStyle *style = [[MGLUserLocationAnnotationViewStyle alloc] init];
-
-    style.approximateHaloFillColor = UIColor.redColor;
-    style.approximateHaloOpacity = 0.15;
-    style.approximateHaloBorderColor = UIColor.blueColor;
-    style.approximateHaloBorderWidth = 4.0;
-
-    style.puckShadowColor = UIColor.grayColor;
-    style.puckFillColor = UIColor.cyanColor;
-    style.puckArrowFillColor = UIColor.cyanColor;
-    style.puckShadowOpacity = 0.25;
-
-    style.haloFillColor = UIColor.cyanColor;
-
-
-    return style;
-}
-
 - (void)alertAccuracyChanges {
     UIAlertController* alert = [UIAlertController alertControllerWithTitle:@"Mapbox GL works best with your precise location."
                                    message:@"You'll get turn-by-turn directions."

platform/ios/src/MGLFaux3DUserLocationAnnotationView.m

@@ -104,7 +104,9 @@ - (void)setTintColor:(UIColor *)tintColor
 
         puckArrowFillColor = style.puckArrowFillColor ? style.puckArrowFillColor : puckArrowFillColor;
 
-        approximateFillColor = style.approximateHaloFillColor ? style.approximateHaloFillColor : approximateFillColor;
+        if (@available(iOS 14, *)) {
+            approximateFillColor = style.approximateHaloFillColor ? style.approximateHaloFillColor : approximateFillColor;
+        } 
 
         haloFillColor = style.haloFillColor ? style.haloFillColor : haloFillColor;
         dotFillColor = style.puckFillColor ? style.puckFillColor : dotFillColor;
@@ -545,10 +547,12 @@ - (void)drawApproximate
 
     if ([self.mapView.delegate respondsToSelector:@selector(mapViewStyleForDefaultUserLocationAnnotationView:)]) {
         MGLUserLocationAnnotationViewStyle *style = [self.mapView.delegate mapViewStyleForDefaultUserLocationAnnotationView:self.mapView];
-        backgroundColor = style.approximateHaloFillColor ? style.approximateHaloFillColor : backgroundColor;
-        strokeColor = style.approximateHaloBorderColor ? style.approximateHaloBorderColor : strokeColor;
-        opacity = style.approximateHaloOpacity;
-        borderSize = style.approximateHaloBorderWidth;
+        if (@available(iOS 14, *)) {
+            backgroundColor = style.approximateHaloFillColor ? style.approximateHaloFillColor : backgroundColor;
+            strokeColor = style.approximateHaloBorderColor ? style.approximateHaloBorderColor : strokeColor;
+            opacity = style.approximateHaloOpacity;
+            borderSize = style.approximateHaloBorderWidth;
+        }
     }
 
     // update approximate ring (if zoom or horizontal accuracy have changed)

platform/ios/src/MGLUserLocationAnnotationViewStyle.h

@@ -11,46 +11,46 @@ MGL_EXPORT
 @interface MGLUserLocationAnnotationViewStyle : NSObject
 
 /**
- The puck's view fill color.
+ The fill color for the puck view.
  */
 @property (nonatomic) UIColor *puckFillColor;
 /**
- The puck's view shadow color.
+ The shadow color for the puck view.
  */
 @property (nonatomic) UIColor *puckShadowColor;
 /**
- The puck's view shadow opacity.
+ The shadow opacity for the puck view.
  Set any value between 0.0 and 1.0.
  The default value of this property is equal to `0.25`
  */
 @property (nonatomic, assign) CGFloat puckShadowOpacity;
 /**
- The puck's arrow fill color.
+ The fill color for the arrow puck.
  */
 @property (nonatomic) UIColor *puckArrowFillColor;
 /**
- The puck's halo fill color.
+ The fill color for the puck view.
  */
 @property (nonatomic) UIColor *haloFillColor;
 /**
- The approximate's view halo fill color.
+ The halo fill color for the approximate view.
  */
-@property (nonatomic) UIColor *approximateHaloFillColor;
+@property (nonatomic) UIColor *approximateHaloFillColor API_AVAILABLE(ios(14));
 /**
- The approximate's view halo border color.
+ The halo border color for the approximate view.
  */
-@property (nonatomic) UIColor *approximateHaloBorderColor;
+@property (nonatomic) UIColor *approximateHaloBorderColor API_AVAILABLE(ios(14));
 /**
- The approximate's view halo border width.
+ The halo border width for the approximate view.
  The default value of this property is equal to `2.0`
  */
-@property (nonatomic, assign) CGFloat approximateHaloBorderWidth;
+@property (nonatomic, assign) CGFloat approximateHaloBorderWidth API_AVAILABLE(ios(14));
 /**
- The approximate's view halo opacity.
+ The halo opacity for the approximate view.
  Set any value between 0.0 and 1.0
  The default value of this property is equal to `0.15`
  */
-@property (nonatomic, assign) CGFloat approximateHaloOpacity;
+@property (nonatomic, assign) CGFloat approximateHaloOpacity API_AVAILABLE(ios(14));
 
 @end
 

platform/ios/src/MGLUserLocationAnnotationViewStyle.m

@@ -6,8 +6,10 @@ @implementation MGLUserLocationAnnotationViewStyle
 - (instancetype)init {
     if ((self = [super init])) {
         self.puckShadowOpacity = 0.25;
-        self.approximateHaloBorderWidth = 2.0;
-        self.approximateHaloOpacity = 0.15;
+        if (@available(iOS 14, *)) {
+            self.approximateHaloBorderWidth = 2.0;
+            self.approximateHaloOpacity = 0.15;
+        }
     }
     return self;
 }