ArgumentError: Error #3500 with Vungle's Adobe Air Extension

If you're getting the following error message, follow the steps in this article to resolve it.

ArgumentError: Error #3500 : The extension context does not have a method with the name... 

This error is caused by the dx.jar file provided by Adobe. The dx.jar is used in compiling Android apps; however, the Adobe version of this file removes Java classes compiled with Java 1.7. This means that it removes Vungle's SDK.

To resolve the issue, simply replace the dx.jar from the Adobe Flex SDK with the dx.jar from the Android SDK. Unlike Adobe's dx.jar, Google's version does not remove these classes.

Copy $ANDROID_SDK/build-tools/20.0.0/lib/dx.jar into $FLEX_AIR_SDK_HOME/lib/android/bin/dx.jar.

Your Adobe Air extension should be back to serving ads in no time!

If you're still having problems, contact our tech support team for immediate assistance at

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