Plugin.UserDialogs (nuget): Allows for messagebox style dialogs to be called from your shared/PCL/MVVM code - Action Sheet (multiple choice menu) - Alert - Confirm - Date - Loading - Login - Progress - Prompt - Toast (Snackbars) - Time  On android, be sure to call UserDialogs.Init() before using!  Supported Platforms - iOS 7+ - Android - Universal Windows Platform (Win10/UWP) - Portable Class Libraries (Profile 259) - WP8/81 is here but UNSUPPORTED!
Keywords: windows|xamarin|xam.pcl|dialogs|plugin