Android Studio 3.0 Execution failed for task: unable to merge dex

Question

android studio was getting build error while build execution with following:

Error:Execution failed for task \':app:transformDexArchiveWithExternalLi

Answer 1

This is what works for me. clean prepare and run.

cordova clean android;
ionic cordova prepare andriod;
ionic cordova run andriod;

hope it helps.