Environment to prepare

  • IDEA: 2020.3
  • The JDK: 15
  • The IDEA of community edition
    • The commercial version also needs to be activated at startup, which can be a hassle. So you need to install an additional community version for debugging.

The SDK.

  • The new SDK
    • Open the file – > Project Structure – > SDKs

    • Click the + sign to Add IntelliJ Platform Plugin SDK

    • Select the installation location of the IDEA community version

Hello world in ten thousand

  • demand
    • Add a button in the Tools menu. Click on the lower right corner to pop up the prompt of Hello Idea.
  • Create a project
    • Create InjelliJ Platform Plugin

    • Modify the information

    • Create an action

    • Write the code
    package com.yuanshuai.tool.idea; import com.intellij.notification.*; import com.intellij.openapi.actionSystem.AnAction; import com.intellij.openapi.actionSystem.AnActionEvent; public class HelloAction extends AnAction { @Override public void actionPerformed(AnActionEvent e) { NotificationGroup notificationGroup = new NotificationGroup("hello", NotificationDisplayType.BALLOON, true); Notification notification = notificationGroup.createNotification("hello", NotificationType.ERROR); Notifications.Bus.notify(notification); }}Copy the code
    • Run the test

The completion of