Top 20 NuGet alert-dialog Packages

Android dialog with arrow indicator in the location where you want
A simple Android's dialog to show fancy content. You need to add a reference to “Mono.Android.Export.dll”
An Interactive Feedback Dialog for Android inspired from Google Maps Review section
iOS UIAlertView for Xamarin.Android. Source and demo available on https://github.com/rofiqsetiawan/iOSDialog