designer/src/META-INF/plugin.xml

<!--
  ~ Copyright (C) 2015 The Android Open Source Project
  ~
  ~ Licensed under the Apache License, Version 2.0 (the "License");
  ~ you may not use this file except in compliance with the License.
  ~ You may obtain a copy of the License at
  ~
  ~      http://www.apache.org/licenses/LICENSE-2.0
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License.
  -->
<idea-plugin version="2">
  <id>com.android.tools.idea.uibuilder</id>
  <name>Android New UI Builder</name>
  <version>1.0</version>
  <vendor>Google</vendor>
  <depends>org.jetbrains.android</depends>
  <description>Provides a new UI Builder</description>
  <idea-version since-build="141.175"/>

  <extensions defaultExtensionNs="com.intellij">
    <fileEditorProvider implementation="com.android.tools.idea.uibuilder.editor.NlEditorProvider"/>
  </extensions>

  <project-components>
    <component>
      <implementation-class>com.android.tools.idea.uibuilder.editor.NlPaletteManager</implementation-class>
    </component>
    <component>
      <implementation-class>com.android.tools.idea.uibuilder.editor.NlStructureManager</implementation-class>
    </component>
    <component>
      <implementation-class>com.android.tools.idea.uibuilder.handlers.ViewHandlerManager</implementation-class>
    </component>
    <component>
      <implementation-class>com.android.tools.idea.uibuilder.editor.NlPreviewManager</implementation-class>
      <skipForDefaultProject/>
      <headless-implementation-class/>
    </component>

  </project-components>

</idea-plugin>