How to read/write value in sharedpreferences xamarin.forms android?

// read values using key value 

public static string GetString(this Application application, string key)
{
var prefs = application.Context.GetSharedPreferences(application.PackageName, FileCreationMode.Private);
return prefs.GetString(key, string.Empty);
}

//write values
public static void SaveString(this Application application, string key, string value)

{

var prefs = application.Context.GetSharedPreferences(application.PackageName, FileCreationMode.Private);

var prefEditor = prefs.Edit();

prefEditor.PutString(key, value);

prefEditor.Commit();

}

or check this link
`http://forums.xamarin.com/discussion/4758/android-shared-preference