I am trying to implement extension files unsuccessfully. I have included libraries for licensing, extension, and zip files as external jar files in the sample project and everything seems fine and all errors go away. However, when I start the program, I get an error message:
"05-22 17: 49: 05.377: E / AndroidRuntime (10197): java.lang.NoClassDefFoundError: com.android.vending.expansion.downloader.R $ string"
and the program crashes. How to fix this error so that I can use the test and then use the extension library?
Thank.
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