I know .apk files are .zip files, but AndroidManifest.xml looks binary and certainly grep or hex editors haven\'t been successful extracting the versionCode.
Does anybod
they are binary XML files. You can use a tool like AXML2XML to convert the binary XML file into a text-based XML file. There a few different tools, some do better jobs than others.
AXML2XML: http://devtcg.blogspot.com/2008/03/tool-to-read-android-binary-xml-files.html
AXMLPrtiner: http://forum.xda-developers.com/showthread.php?t=514412