Errorsoccurredduringthebuild.
Errorsrunningbuilder’AndroidPackageBuilder’onproject’helloworld’.
com/android/dx/command/dexer/M ain:Unsupportedmajor.minorversion52.0

Before also found a lot of methods on the Internet, similar

My one is Android development, while others are JS, MyEclipse and so on

Error occurred during the build

Then, according to the prompt, remove the relevant file