Plugins Create Namespace Errors

Unity Engine
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1

I have just started a new project targeting windows phone. One of the first things I did was import the HOTweenMicro plugin. As soon as I started to try and use it in a script, I got a namespace not found error back in Unity. At first I thought it was a problem with the plugin, but as pointed out by the developer, it works fine when I target another platform.

Since then, I have tried importing other plugins which give the same type of error. They work fine when targeting another platform, but as soon as I switch to Windows Phone 8, I get namespace errors.

I played with the HOTweenMicro library in another project last year, which worked fine at the time. Now that old project does the same thing as my new project.

I have the windows phone 8.0 sdk installed, I am running Windows 8 and Visual Studio 2013 (Update 2). I have tried on two different computers with same result.

My google-fu has failed me big time on this one, I am at a loss. Any suggestions, no matter how small would be appreciated, I may have done something really dumb, I am pretty much a newbie.

2

Have you placed plugins correctly in your project?
http://docs.unity3d.com/Documentation/Manual/wp8-plugins.html

Also check, if plugins are themselves compatible with Windows Phone (.NET compatibility issues).

3

I did come across that page but it didn’t make much sense to me. It mentions that I need two copies of the library, one in the Plugins folder and one in the Plugins/WP8 folder. Do I just copy the HOTweenMicro plugin in to both directories? Is it only necessary to do this if I am developing for multiple platforms?

4

An update, the developer of HOTweenMicro has noticed the plugin works fine if it is stored in a folder other than the Plugins folder, I have tested it and it works. However, I would like to know if this is considered best practice. I would like to stick to convention if possible.

5

There is no need to look for best practice or anything like that. It is a Unity bug:
http://issuetracker.unity3d.com/issues/there-is-no-way-to-use-both-platform-specific-and-editor-plugin-dlls-in-the-same-project

6

I don’t believe the plugin I am using has separate platform specific and editor dll files, although the problem might be related.

7

They reformulated the bug. Even if it doesn’t seem that related, I reported it exactly because of that issue. Here is the post with the workaround that worked for the Decal System:
http://forum.unity3d.com/threads/141792-Decal-System/page42?p=1501180&viewfull=1#post1501180

8

If it’s a .NET/Mono dll and is compatible with the platform (does not use the unavailable APIs), then yes, you put it in both directories.
The requirement is to have dlls with same API. Dll in plugins folder will be used by editor, while dll under plugins/wp8 will be used on WP8. This allows the second dll to use Windows Phone platform specific APIs (in editor a dummy dll would be used).