Using HtmlAgilityPack with MonoTouch app gives reference error

问题

I'm trying to use the Html Agility Pack with a MonoTouch application, but cannot find a version that will work with it.

I downloaded the latest binaries from CodePlex and I've tried building with every DLL it contains. None will compile when the target is the iPhone.

Adding the .NET 20 library will allow it to compile to the iPhone Simulator, but when switching to the iPhone I get the error:

Error MT2002: Can not resolve reference: System.Diagnostics.TraceListener (MT2002) (MFLPlatinum12)

It seems like others are using HtmlAgilityPack with MonoTouch projects, so any thoughts as to what I'm missing?

回答1:

Are you compiling from source or using the DLL directly?

You will need to make a new MonoTouch library project and add all the files for it to work.

Using a DLL directly likely won't work, since it was not compiled for MonoTouch.

回答2:

You have to compile it from code Download the source

go into

\htmlagilitypack-99964\Branches\1.4.0\HtmlAgilityPack

Edit the csproj change to

<Import Project="$(MSBuildExtensionsPath)\Novell\Novell.MonoDroid.CSharp.targets" />

Save and load

Fix errors

Trace -> Debug

Remove block

 if (!SecurityManager.IsGranted(new DnsPermission(PermissionState.Unrestricted)))
        {
            //do something.... not at full trust
            try
            {
                RegistryKey reg = Registry.ClassesRoot;
                reg = reg.OpenSubKey(extension, false);
                if (reg != null) contentType = (string)reg.GetValue("", def);
            }
            catch (Exception)
            {
                contentType = def;
            }
        }

Remove block

 if (SecurityManager.IsGranted(new RegistryPermission(PermissionState.Unrestricted)))
        {
            try
            {
                RegistryKey reg = Registry.ClassesRoot;
                reg = reg.OpenSubKey(@"MIME\Database\Content Type\" + contentType, false);
                if (reg != null) ext = (string)reg.GetValue("Extension", def);
            }
            catch (Exception)
            {
                ext = def;
            }
        }

Use the dll in the bin/debug folder

来源：https://stackoverflow.com/questions/12018240/using-htmlagilitypack-with-monotouch-app-gives-reference-error

标签

xamarin.ios

html-agility-pack