我在我的应用中使用深度链接,并且在使用IMvxNavigationFacade
导航到视图模型时寻找预设一些参数。深层链接的URL是这样的:深度链接时从IMvxNavigationFacade发送MvxViewModelRequest中的新参数
myappname://深层链接/ toviewwithdata/navigatetoview = viewtype1 & ID = 78910
所以深层链接是工作和IM使用越来越导航门面组装属性
[assembly: MvxNavigation(typeof(RoutingFacade), @"myappname://deeplink/toviewwithdata/\?navigatetoview=(?<viewtype>viewtype1)&id=(?<id>\d{5})")]
我试图用MvxBundle
其他参数添加到MvxViewModelRequest
但不要想我这样做是正确的。这里是我的导航门面:
public class RoutingFacade : IMvxNavigationFacade
{
public Task<MvxViewModelRequest> BuildViewModelRequest(string url, IDictionary<string, string> currentParameters)
{
var viewModelType = typeof(FirstViewModel);
var parameters = new MvxBundle();
try
{
// TODO: Update this to handle different view types and add error handling
if (currentParameters != null)
{
Debug.WriteLine($"RoutingFacade - {currentParameters["viewtype"]}, {currentParameters["id"]}");
switch (currentParameters["viewtype"])
{
case "viewtype1":
viewModelType = typeof(FirstViewModel);
parameters.Data.Add("test", "somevalue");
break;
default:
case "viewtype2":
viewModelType = typeof(FirstViewModel);
break;
}
}
}
catch (Exception ex)
{
Debug.WriteLine($"RoutingFacade - Exception: {ex.Message}");
//TODO viewModelType = typeof(ErrorViewModel);
}
return Task.FromResult(new MvxViewModelRequest(viewModelType, parameters, null));
}
那么我的视图模型初始化方法
public void Init(string id, string viewtype, string test)
{
// Do stuff with parameters
}
但测试参数为空?你如何将参数传递给MvxViewModelRequest?
更新:
不知道其可能从源头这里寻找https://github.com/MvvmCross/MvvmCross/blob/f4b2a7241054ac288a391c4c7b7a7342852e1e19/MvvmCross/Core/Core/Navigation/MvxNavigationService.cs#L122的请求参数得到从深层链接网址,并从BuildViewModelRequest回归的正则表达式设置,facadeRequest.parameterValues被忽略。