MvvmCross Android: Linking kills SwitchCompat.Checked propety - mvvmcross

Question

I have layout with SwitchCompat binding to ViewModel
<android.support.v7.widget.SwitchCompat
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
app:MvxBind="Checked FlashlightEnabled;
Click FlashlightCheckedCommand"/>
I also add in LinkerPleaseInclude.cs file some Include methods
public void Include(Switch s)
{
s.CheckedChange += (sender, args)
=> s.Checked = !s.Checked;
s.Checked = true;
}
public void Include(SwitchCompat sc)
{
sc.CheckedChange += (sender, args)
=> sc.Checked = !sc.Checked;
sc.Checked = true;
}
But when I set the Sdk and User Assemblies linking, my Checked binding is removed.
Output Message:
2018-10-16 12:31:17 [WARN] (MvxBind) Failed to create target binding for binding Checked for FlashlightEnabled10-16 12:31:17.143 I/mono-stdout( 5716): at System.Activator.CreateInstance (System.Type type, System.Reflection.BindingFlags bindingAttr, System.Reflection.Binder binder, System.Object[]

Answer 1

Make sure you've added [Android.Runtime.Preserve(AllMembers = true)] to your LinkerPleaseInclude class. If not the class will be ignored.
Here you have the latest LinkerPleaseInclude please be sure you have the same:
using Android.App;
using Android.Views;
using Android.Widget;
using MvvmCross.Binding.BindingContext;
using MvvmCross.Navigation;
using MvvmCross.ViewModels;
using System;
using System.Collections.Specialized;
using System.Windows.Input;
namespace $YourNameSpace$
{
// This class is never actually executed, but when Xamarin linking is enabled it does how to ensure types and properties
// are preserved in the deployed app
[Android.Runtime.Preserve(AllMembers = true)]
public class LinkerPleaseInclude
{
public void Include(Button button)
{
button.Click += (s, e) => button.Text = button.Text + "";
}
public void Include(CheckBox checkBox)
{
checkBox.CheckedChange += (sender, args) => checkBox.Checked = !checkBox.Checked;
}
public void Include(Switch #switch)
{
#switch.CheckedChange += (sender, args) => #switch.Checked = !#switch.Checked;
}
public void Include(View view)
{
view.Click += (s, e) => view.ContentDescription = view.ContentDescription + "";
}
public void Include(TextView text)
{
text.AfterTextChanged += (sender, args) => text.Text = "" + text.Text;
text.Hint = "" + text.Hint;
}
public void Include(CheckedTextView text)
{
text.AfterTextChanged += (sender, args) => text.Text = "" + text.Text;
text.Hint = "" + text.Hint;
}
public void Include(CompoundButton cb)
{
cb.CheckedChange += (sender, args) => cb.Checked = !cb.Checked;
}
public void Include(SeekBar sb)
{
sb.ProgressChanged += (sender, args) => sb.Progress = sb.Progress + 1;
}
public void Include(RadioGroup radioGroup)
{
radioGroup.CheckedChange += (sender, args) => radioGroup.Check(args.CheckedId);
}
public void Include(RadioButton radioButton)
{
radioButton.CheckedChange += (sender, args) => radioButton.Checked = args.IsChecked;
}
public void Include(RatingBar ratingBar)
{
ratingBar.RatingBarChange += (sender, args) => ratingBar.Rating = 0 + ratingBar.Rating;
}
public void Include(Activity act)
{
act.Title = act.Title + "";
}
public void Include(INotifyCollectionChanged changed)
{
changed.CollectionChanged += (s, e) => { var test = $"{e.Action}{e.NewItems}{e.NewStartingIndex}{e.OldItems}{e.OldStartingIndex}"; };
}
public void Include(ICommand command)
{
command.CanExecuteChanged += (s, e) => { if (command.CanExecute(null)) command.Execute(null); };
}
public void Include(MvvmCross.IoC.MvxPropertyInjector injector)
{
injector = new MvvmCross.IoC.MvxPropertyInjector();
}
public void Include(System.ComponentModel.INotifyPropertyChanged changed)
{
changed.PropertyChanged += (sender, e) =>
{
var test = e.PropertyName;
};
}
public void Include(MvxTaskBasedBindingContext context)
{
context.Dispose();
var context2 = new MvxTaskBasedBindingContext();
context2.Dispose();
}
public void Include(MvxNavigationService service, IMvxViewModelLoader loader)
{
service = new MvxNavigationService(null, loader);
}
public void Include(ConsoleColor color)
{
Console.Write("");
Console.WriteLine("");
color = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Red;
Console.ForegroundColor = ConsoleColor.Yellow;
Console.ForegroundColor = ConsoleColor.Magenta;
Console.ForegroundColor = ConsoleColor.White;
Console.ForegroundColor = ConsoleColor.Gray;
Console.ForegroundColor = ConsoleColor.DarkGray;
}
}
}