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Xamarin.iOS Blur screen with OnResignActivation
[Register ("AppDelegate")]
public partial class AppDelegate : UIApplicationDelegate
UIVisualEffectView _blurView = null;
public override void OnActivated (UIApplication application)
try {
if (_blurView != null) {
_blurView.RemoveFromSuperview ();
_blurView.Dispose ();
_blurView = null;
} catch {}
public override void OnResignActivation (UIApplication application)
// Blur screen
using (var blurEffect = UIBlurEffect.FromStyle (UIBlurEffectStyle.Light)) {
_blurView = new UIVisualEffectView (blurEffect);
_blurView.Frame = _window.RootViewController.View.Bounds;
_window.RootViewController.View.AddSubview (_blurView);
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