plugin.xml

<!-- Plugin Configuration File. Read more: https://plugins.jetbrains.com/docs/intellij/plugin-configuration-file.html -->
<idea-plugin>
  <id>com.github.nrayburntech.toolexperiments</id>
  <name>Tool Experiments</name>
  <vendor>nrayburn-tech</vendor>

  <depends>com.intellij.modules.platform</depends>
  <depends>com.intellij.java</depends>
  <!-- TODO: Long term, would be nice to work with maven OR gradle and not require both. -->
  <depends>org.jetbrains.idea.maven</depends>

  <resource-bundle>messages.MyBundle</resource-bundle>

  <extensions defaultExtensionNs="com.intellij">
    <toolWindow factoryClass="com.github.nrayburntech.toolexperiments.firsttool.toolWindow.MyToolWindowFactory"
      id="MyToolWindow"/>
  </extensions>

  <applicationListeners>
    <listener class="com.github.nrayburntech.toolexperiments.firsttool.listeners.MyApplicationActivationListener"
      topic="com.intellij.openapi.application.ApplicationActivationListener"/>
  </applicationListeners>
</idea-plugin>