iOS的MvvmCross对话框演示

public class DialogViewModel : MvxViewModel
{
    private string _message;
    public string Message
    {
        get => _message;
        set => SetProperty(ref _message, value);
    }

    public ICommand ShowDialogCommand => new MvxAsyncCommand(ShowDialog);

    private async Task ShowDialog()
    {
        // 模拟异步操作
        await Task.Delay(1000);
        Message = "Hello, MvvmCross Dialog!";
    }
}

<ContentView xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="YourNamespace.DialogView">
    <StackLayout>
        <Label Text="{Binding Message}" />
        <Button Text="Show Dialog" Command="{Binding ShowDialogCommand}" />
    </StackLayout>
</ContentView>

public class ViewController : MvxViewController<DialogViewModel>
{
    public override void ViewDidLoad()
    {
        base.ViewDidLoad();
        // 初始化视图
    }
}

var set = this.CreateBindingSet<ViewController, DialogViewModel>();
set.Bind(Label).To(vm => vm.Message);
set.Apply();

<Button Text="Show Dialog" Command="{Binding ShowDialogCommand}" />