更新时间:2023-10-23 23:17:52
尝试在Intellij IDEA中启用"UI Designer"插件,这对我来说很有帮助.文件->设置->插件-> UI Designer->重新启动IDE
Try enabling "UI Designer" plugin in Intellij IDEA, it helped in my case. File -> Settings -> Plugins -> UI Designer -> Restart IDE
Intellij,"contentPane不能设置为null".使用秋千设计师