I\'ve used the Intellij UI Designer to create forms for a project. Everything works fine when I\'m building with idea as it handles compiling the forms for me, but as we rec
I found this issue still exists. It's at least somehow documented now:
If your build actions are delegated to Gradle, GUI Designer will not generate Java source code.
So by disabling the according setting
Build, Execution, Deployment | Build Tools | Gradle | Runner | Delegate IDE build/run actions to gradle
I was able to build and run the project successfully. Note that I didn't need any other settings or additional libraries from the answers above. I let Generate GUI into
be set to Binary class files
.