Top 20 NuGet searchview Packages

Xamarin.Android Binding for Lapism’s Search, a Material Design SearchView component.
Xamarin.Android Binding for Ferfalk's SimpleSearchView, a simple SearchView for Android based on Material Design.
Android SearchView based on Material Design guidelines. The MaterialSearchView will overlay a Toolbar or ActionBar as well as display a ListView for the user to show suggested or recent searches.
Xamarin.Android binding for miteshpithadiya's SearchableSpinner, a simple Spinner with searchable items. Searchable Spinner is a dialog spinner with the search feature which allows to search the items loaded in the spinner.
Cute library to implement SearchView in a Material Design Approach. Works from Android API 22 (ICS) and above.
SearchView in a Material Design Approach.Request for additional features.
Android Search Dialog Library