Android Studio build error - Multiple dex files define Landroid/support/v4/

Question

I am unable to build my project in Android Studio. I get the following error:

Error:Android Dex: [RaditazAndroid] Unable to execute DX
Error:Android Dex: [R         


        

Answer 1

In case someone else was having this problem with the Project Tango examples provided via Github, I solved it by commenting the following line out in the app's build.gradle file for those projects which failed to run:

compile fileTree(dir: external_lib_prefix + '/jar', include: ['**/*.jar'])