Xamarin Blueprints

Building the CameraViewRenderer in Android

Now we must add the CustomRenderer for the Android camera. In the Renderers folder, add a new file called CameraViewRender.cs and implement the following:

public class CameraViewRenderer : ViewRenderer<CameraView, CameraDroid> 
    { 
        #region Private Properties 
 
        private CameraDroid Camera; 
 
        #endregion 
} 

Our renderer contains only one private instance of the CameraDroid class. Then we override the OnElementChanged method:

 #region Protected Methods protected override void OnElementChanged(ElementChangedEventArgs<CameraView> e) { base.OnElementChanged(e); if (Control == null) { Camera = new CameraDroid(Context); SetNativeControl(Camera); } if (e.NewElement != null) { Camera.Available += e.NewElement.NotifyAvailability; ...