Xamarin.forms Xamarin表单-在CollectionView（渲染器）中拖放_Xamarin.forms_Collectionview

Xamarin.forms Xamarin表单-在CollectionView（渲染器）中拖放

xamarin.forms

Xamarin.forms Xamarin表单-在CollectionView（渲染器）中拖放,xamarin.forms,collectionview,Xamarin.forms,Collectionview,如何在Xamarin表单中的CollectionView中实现简单的拖放功能？不使用任何第三方NUGET软件包。下面的代码是一个简单的collectionview，但现在我需要渲染它。。。如何渲染和实现拖放以重新排序数字 Xaml .CS文件 public partial class MainPage : ContentPage { public List<Store> storelist; public MainPage() { In

如何在Xamarin表单中的CollectionView中实现简单的拖放功能？不使用任何第三方NUGET软件包。下面的代码是一个简单的collectionview，但现在我需要渲染它。。。如何渲染和实现拖放以重新排序数字

Xaml

.CS文件

public partial class MainPage : ContentPage
{
    public List<Store> storelist;

    public MainPage()
    {
        InitializeComponent();
        storelist = new List<Store>();
        BindingContext = this;
        storelist.Add(new Store() { Id = 1, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 21.00, Title = "Title" });
        storelist.Add(new Store() { Id = 2, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 88.12, Title = "Title" });
        storelist.Add(new Store() { Id = 3, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 65.21, Title = "Title" });
        storelist.Add(new Store() { Id = 4, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 39.95, Title = "Title" });
        storelist.Add(new Store() { Id = 5, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 958.99, Title = "Title" });
        storelist.Add(new Store() { Id = 6, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 64.85, Title = "Title" });
        storelist.Add(new Store() { Id = 7, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 2050.55, Title = "Title" });
        storelist.Add(new Store() { Id = 8, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 120500.00, Title = "Title" });
        storelist.Add(new Store() { Id = 9, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 21.00, Title = "Title" });
        storelist.Add(new Store() { Id = 10, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 88.12, Title = "Title" });
        storelist.Add(new Store() { Id = 11, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 65.21, Title = "Title" });
        storelist.Add(new Store() { Id = 12, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 39.95, Title = "Title" });
        storelist.Add(new Store() { Id = 13, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 958.99, Title = "Title" });
        storelist.Add(new Store() { Id = 14, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 64.85, Title = "Title" });
        storelist.Add(new Store() { Id = 15, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 2050.55, Title = "Title" });
        storelist.Add(new Store() { Id = 16, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 120500.00, Title = "Title" });

        CV.ItemsSource = storelist;
    }
}

public class Store
{
    public int Id { get; set; }
    public bool IsLike { get; set; }
    public string ImageUrl { get; set; }
    public string Title { get; set; }
    public double Price { get; set; }
    public string Favorite { get; set; } = "favorite.png";

}

public分部类主页面：ContentPage
{
公共列表存储列表；
公共主页（）
{
初始化组件（）；
storelist=新列表（）；
BindingContext=这个；
添加（新存储（）{Id=1，ImageUrl=”https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png，IsLike=true，Price=21.00，Title=“Title”}）；
添加（新存储（）{Id=2，ImageUrl=”https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png，IsLike=true，Price=88.12，Title=“Title”}）；
添加（新存储（）{Id=3，ImageUrl=”https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png，IsLike=true，Price=65.21，Title=“Title”}）；
添加（新存储（）{Id=4，ImageUrl=”https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png，IsLike=true，Price=39.95，Title=“Title”}）；
添加（新存储（）{Id=5，ImageUrl=”https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png，IsLike=true，Price=958.99，Title=“Title”}）；
添加（新存储（）{Id=6，ImageUrl=”https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png，IsLike=true，Price=64.85，Title=“Title”}）；
添加（新存储（）{Id=7，ImageUrl=”https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png，IsLike=true，Price=2050.55，Title=“Title”}）；
添加（新存储（）{Id=8，ImageUrl=”https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png，IsLike=true，Price=120500.00，Title=“Title”}）；
添加（新存储（）{Id=9，ImageUrl=”https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png，IsLike=true，Price=21.00，Title=“Title”}）；
添加（新存储（）{Id=10，ImageUrl=”https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png，IsLike=true，Price=88.12，Title=“Title”}）；
添加（新存储（）{Id=11，ImageUrl=”https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png，IsLike=true，Price=65.21，Title=“Title”}）；
添加（新存储（）{Id=12，ImageUrl=”https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png，IsLike=true，Price=39.95，Title=“Title”}）；
添加（新存储（）{Id=13，ImageUrl=”https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png，IsLike=true，Price=958.99，Title=“Title”}）；
添加（新存储（）{Id=14，ImageUrl=”https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png，IsLike=true，Price=64.85，Title=“Title”}）；
添加（新存储（）{Id=15，ImageUrl=”https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png，IsLike=true，Price=2050.55，Title=“Title”}）；
添加（新存储（）{Id=16，ImageUrl=”https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png，IsLike=true，Price=120500.00，Title=“Title”}）；
CV.ItemsSource=商店列表；
}
}
公共类商店
{
公共int Id{get；set；}
公共bool类似于{get；set；}
公共字符串ImageUrl{get；set；}
公共字符串标题{get；set；}
公共双价{get；set；}
公共字符串收藏夹{get；set；}=“Favorite.png”；
}

您可以在iOS中创建自定义UICollectionView，并将其设置为渲染器的NativeControl。这是一个可以帮助你的样品。

public partial class MainPage : ContentPage
{
    public List<Store> storelist;

    public MainPage()
    {
        InitializeComponent();
        storelist = new List<Store>();
        BindingContext = this;
        storelist.Add(new Store() { Id = 1, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 21.00, Title = "Title" });
        storelist.Add(new Store() { Id = 2, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 88.12, Title = "Title" });
        storelist.Add(new Store() { Id = 3, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 65.21, Title = "Title" });
        storelist.Add(new Store() { Id = 4, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 39.95, Title = "Title" });
        storelist.Add(new Store() { Id = 5, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 958.99, Title = "Title" });
        storelist.Add(new Store() { Id = 6, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 64.85, Title = "Title" });
        storelist.Add(new Store() { Id = 7, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 2050.55, Title = "Title" });
        storelist.Add(new Store() { Id = 8, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 120500.00, Title = "Title" });
        storelist.Add(new Store() { Id = 9, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 21.00, Title = "Title" });
        storelist.Add(new Store() { Id = 10, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 88.12, Title = "Title" });
        storelist.Add(new Store() { Id = 11, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 65.21, Title = "Title" });
        storelist.Add(new Store() { Id = 12, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 39.95, Title = "Title" });
        storelist.Add(new Store() { Id = 13, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 958.99, Title = "Title" });
        storelist.Add(new Store() { Id = 14, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 64.85, Title = "Title" });
        storelist.Add(new Store() { Id = 15, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 2050.55, Title = "Title" });
        storelist.Add(new Store() { Id = 16, ImageUrl = "https://cdn.shopify.com/s/files/1/1104/4168/products/Allbirds_W_Wool_Runner_Kotare_GREY_ANGLE_0f3bfe63-ac7d-4106-9acf-d26f8414ac53_600x600.png", IsLike = true, Price = 120500.00, Title = "Title" });

        CV.ItemsSource = storelist;
    }
}

public class Store
{
    public int Id { get; set; }
    public bool IsLike { get; set; }
    public string ImageUrl { get; set; }
    public string Title { get; set; }
    public double Price { get; set; }
    public string Favorite { get; set; } = "favorite.png";

}