Android ADT error, dx.jar was not loaded from the SDK folder

This is caused by incomplete/messy upgrade to latest version which results in dx.jar missing from {Android SDK dir}\platform-tools\lib\. Solution: Find your latest dx.jar in {Android SDK dir}\platforms\* and copy it to: {Android SDK dir}\platform-tools\lib\ Restart eclipse, clean your project and everything should work as expected. (If platform-tools\lib directory is missing entirely you will have to … Read more