Smartwatch 2 - Cannot compile sample project even

Question

I wanted to start developing for the Sony Smartwatch 2 I just got. This is where the problems started. I found many official articles about downloading and setting up the Sony Add-on SDK.

But here's the dark side: It is not available anymore from Sony's dev site, so I could not add it by using the Android SDK manager .

After lots of sweat I managed to find it only here.

Which is the 2.0 version. I unzipped it into my /[SDK]/add-ons/sony_add-on_sdk_2_0 folder, and set up Eclipse (4.6.3) with the following SDK manager settings: SDK settings

First it reported the Sony SDK broken, but I found in another topic that I should add a source.properties file, in order to make it work, which has the following header:

### Android Tool: Source of this archive.
#Wed Feb 28 14:14:39 CET 2018
Addon.NameDisplay=SONY ADD-On SDK
Addon.NameId=sony_add_on
Addon.VendorDisplay=SONY
Addon.VendorId=sony
AndroidVersion.ApiLevel=16
Pkg.Desc=Android + Google APIs

Then it became visible for the Eclipse

When I try to build the SamplePreferenceActivity it is imported with SmartExtensionsAPI and SmartExtensionsUtils but one after the other as I read this can make errors too, in the following order:

1. API
2. Utils
3. Sample

which has the following properties: Properties for SmartExtensionAPI

Properties for SmartExtensionUtils

With these settings I still get error in: /SmartExtensionUtils/src/com/sonyericsson/extras/liveware/extension/util/widget/NotificationWidgetExtension.java

saying

SmartWatchNotificationWidgetImage cannot be resolved to a type

and in

/SamplePreferenceActivity/res/layout/item_gallery.xml

saying:

Couldn't resolve resource @style/Widget.Holo.ActionMode Couldn't resolve resource @dimen/smart_watch_2_control_width You must supply a layout_width attribute. Couldn't resolve resource @dimen/smart_watch_2_text_size_large "@dimen/smart_watch_2_text_size_large" in attribute "textSize" is not a valid format. Couldn't resolve resource @dimen/smart_watch_2_text_size_medium "@dimen/smart_watch_2_text_size_medium" in attribute "textSize" is not a valid format.

What am I missing here? Should I use a completely different setup? Is this because I had to manually add the SDK to Eclipse? If you need anything else to understand the problem properly, feel free to ask me, thanks for helping me!