Since upgrading Android Studio 3.0 4.0, I can no longer run the Main method of java and report an error directly, as shown in the figure:
Some netizens said that adding "android.enableAapt2=false" to the gradle.properties of the project did not work in personal testing, but it would also cause
appcompat-v7:28.0.0.aar文件中的资源丢失,最直接的解决办法就是:Add it under the .idea/gradle.xml/<GradleProjectSettings> node of the project
<option name="delegatedBuild" value="false" />
重新编译问题解决.