在xamarin.forms中点击列表中的图像来聚焦时间选择器

<ListView ItemsSource="{Binding Items}">
    <ListView.ItemTemplate>
        <DataTemplate>
            <ViewCell>
                <StackLayout Orientation="Horizontal">
                    <Image Source="{Binding ImageSource}">
                        <Image.GestureRecognizers>
                            <TapGestureRecognizer Command="{Binding Source={x:Reference MyPage}, Path=BindingContext.FocusCommand}" />
                        </Image.GestureRecognizers>
                    </Image>
                    <Label Text="{Binding Name}" />
                </StackLayout>
            </ViewCell>
        </DataTemplate>
    </ListView.ItemTemplate>
</ListView>

<TimePicker IsVisible="{Binding IsTimePickerVisible}" />

public class MyViewModel : INotifyPropertyChanged
{
    public ObservableCollection<MyItem> Items { get; set; }
    public bool IsTimePickerVisible { get; set; }

    public ICommand FocusCommand { get; }

    public MyViewModel()
    {
        Items = new ObservableCollection<MyItem>
        {
            new MyItem { Name = "Item 1", ImageSource = "image1.png" },
            new MyItem { Name = "Item 2", ImageSource = "image2.png" },
            // Add more items as needed
        };

        FocusCommand = new Command(FocusTimePicker);
    }

    private void FocusTimePicker()
    {
        IsTimePickerVisible = true;
        OnPropertyChanged(nameof(IsTimePickerVisible));
    }

    // Implement INotifyPropertyChanged interface
    // ...
}