We have set of points that form a circle on the map, could we connect those points to draw a circle over google maps in Xamarin.Forms i.e. for all three platforms (Windows, Android & iOS) ?
You can use Google Map for iOS(https://components.xamarin.com/view/googleiosmaps) and Google Map in Android.
Then draw the shape in each native project,https://developers.google.com/maps/documentation/ios-sdk/shapeshttps://developers.google.com/maps/documentation/android-api/shapes
Or you can use TKCustomMap https://github.com/TorbenK/TK.CustomMap in PCL
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