Add support for Geodesic polylines option

Android & iOS only, not supported by UWP
amay077 · Jun 7, 2021 · 39ec94d · 39ec94d
1 parent 1b54a84
commit 39ec94d
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Showing 5 changed files with 27 additions and 3 deletions.
diff --git a/Xamarin.Forms.GoogleMaps/Xamarin.Forms.GoogleMaps.Android/Logics/PolylineLogic.cs b/Xamarin.Forms.GoogleMaps/Xamarin.Forms.GoogleMaps.Android/Logics/PolylineLogic.cs
@@ -41,6 +41,7 @@ protected override NativePolyline CreateNativeItem(Polyline outerItem)
             foreach (var p in outerItem.Positions)
                 opts.Add(new LatLng(p.Latitude, p.Longitude));
 
+            opts.Geodesic(outerItem.IsGeodesic);
             opts.InvokeWidth(outerItem.StrokeWidth * this.ScaledDensity); // TODO: convert from px to pt. Is this collect? (looks like same iOS Maps)
             opts.InvokeColor(outerItem.StrokeColor.ToAndroid());
             opts.Clickable(outerItem.IsClickable);
@@ -105,6 +106,11 @@ internal override void OnUpdateZIndex(Polyline outerItem, NativePolyline nativeI
         {
             nativeItem.ZIndex = outerItem.ZIndex;
         }
+
+        internal override void OnUpdateIsGeodesic(Polyline outerItem, NativePolyline nativeItem)
+        {
+            nativeItem.Geodesic = outerItem.IsGeodesic;
+        }
     }
 }
 
diff --git a/Xamarin.Forms.GoogleMaps/Xamarin.Forms.GoogleMaps.UWP/Logics/PolylineLogic.cs b/Xamarin.Forms.GoogleMaps/Xamarin.Forms.GoogleMaps.UWP/Logics/PolylineLogic.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Linq;
@@ -109,5 +109,9 @@ internal override void OnUpdateZIndex(Polyline outerItem, MapPolyline nativeItem
         {
             nativeItem.ZIndex = outerItem.ZIndex;
         }
+
+        internal override void OnUpdateIsGeodesic(Polyline outerItem, MapPolyline nativeItem)
+        {
+        }
     }
 }
diff --git a/Xamarin.Forms.GoogleMaps/Xamarin.Forms.GoogleMaps.iOS/Logics/PolylineLogic.cs b/Xamarin.Forms.GoogleMaps/Xamarin.Forms.GoogleMaps.iOS/Logics/PolylineLogic.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Linq;
@@ -90,6 +90,11 @@ internal override void OnUpdateZIndex(Polyline outerItem, NativePolyline nativeI
         {
             nativeItem.ZIndex = outerItem.ZIndex;
         }
+
+        internal override void OnUpdateIsGeodesic(Polyline outerItem, NativePolyline nativeItem)
+        {
+            nativeItem.Geodesic = outerItem.IsGeodesic;
+        }
     }
 }
 
diff --git a/Xamarin.Forms.GoogleMaps/Xamarin.Forms.GoogleMaps/Logics/DefaultPolylineLogic.cs b/Xamarin.Forms.GoogleMaps/Xamarin.Forms.GoogleMaps/Logics/DefaultPolylineLogic.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 
@@ -21,11 +21,13 @@ protected override void OnItemPropertyChanged(object sender, PropertyChangedEven
             else if (e.PropertyName == Polyline.StrokeColorProperty.PropertyName) OnUpdateStrokeColor(outerItem, nativeItem);
             else if (e.PropertyName == Polyline.StrokeWidthProperty.PropertyName) OnUpdateStrokeWidth(outerItem, nativeItem);
             else if (e.PropertyName == Polyline.ZIndexProperty.PropertyName) OnUpdateZIndex(outerItem, nativeItem);
+            else if (e.PropertyName == Polyline.IsGeodesicProperty.PropertyName) OnUpdateIsGeodesic(outerItem, nativeItem);
         }
 
         internal abstract void OnUpdateIsClickable(Polyline outerItem, TNative nativeItem);
         internal abstract void OnUpdateStrokeColor(Polyline outerItem, TNative nativeItem);
         internal abstract void OnUpdateStrokeWidth(Polyline outerItem, TNative nativeItem);
         internal abstract void OnUpdateZIndex(Polyline outerItem, TNative nativeItem);
+        internal abstract void OnUpdateIsGeodesic(Polyline outerItem, TNative nativeItem);
     }
 }
diff --git a/Xamarin.Forms.GoogleMaps/Xamarin.Forms.GoogleMaps/Polyline.cs b/Xamarin.Forms.GoogleMaps/Xamarin.Forms.GoogleMaps/Polyline.cs
@@ -16,6 +16,7 @@ void HandleAction(GoogleMaps.Polygon arg1, NotifyCollectionChangedEventArgs arg2
         public static readonly BindableProperty StrokeColorProperty = BindableProperty.Create(nameof(StrokeColor), typeof(Color), typeof(Polyline), Color.Blue);
         public static readonly BindableProperty IsClickableProperty = BindableProperty.Create(nameof(IsClickable), typeof(bool), typeof(Polyline), false);
         public static readonly BindableProperty ZIndexProperty = BindableProperty.Create(nameof(ZIndex), typeof(int), typeof(Polyline), 0);
+        public static readonly BindableProperty IsGeodesicProperty = BindableProperty.Create(nameof(ZIndex), typeof(bool), typeof(Polyline), false);
 
         private readonly ObservableCollection<Position> _positions = new ObservableCollection<Position>();
 
@@ -45,6 +46,12 @@ public int ZIndex
             set { SetValue(ZIndexProperty, value); }
         }
 
+        public bool IsGeodesic
+        {
+            get { return (bool)GetValue(IsGeodesicProperty); }
+            set { SetValue(IsGeodesicProperty, value); }
+        }
+
         public IList<Position> Positions
         {
             get { return _positions; }