[Bug] Registering for CameraMove event in Android MapRenderer subclass stops Map.VisibleRegion being updated

[benlings]

Description

Steps to Reproduce

1. Subclass Android MapRenderer and in OnMapReady, register an event listener with NativeMap.CameraMove.
2. Subclass Xamarin.Forms.Maps.Map and export the above renderer subclass linked to this.
3. Show the map in an app
4. Scroll the map

Expected Behavior

Map.VisibleRegion is updated to match the camera position in the native map

Actual Behavior

Map.VisibleRegion remains on its initial position.

Basic Information

• Version with issue: 5.0.0.2196
• Last known good version: None
• Platform Target Frameworks:
  • Android:
• Android Support Library / AndroidX Version:
• NuGet Packages: Xamarin.GooglePlayServices.Maps 117.0.1.3
• Affected Devices:

Environment

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Build Logs

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Reproduction Link

Workaround

Copy implementation of UpdateVisibleRegion from MapRenderer base class and call it with UpdateVisibleRegion(NativeMap.CameraPosition.Target); from the event handler.