apk and dex file formats

http://android-developers.blogspot.com/2016/11/understanding-apk-packaging-in-android-studio-2-2.html

TODO

• need headers listed here

APK file format

• see types/zip.h
• https://en.wikipedia.org/wiki/Android_application_package
• https://en.wikipedia.org/wiki/Zip_(file_format)
• ZIP (https://github.com/corkami/pics/blob/master/binary/ZIP.png)
• 010 editor template: https://www.sweetscape.com/010editor/repository/files/ZIP.bt (ZIPFILERECORD is first struct)
• TODO: need headers listed here
  • ./external/zlib/src/contrib/minizip/unzip.h - might be relevant for android

APK Signature Scheme v2

• https://source.android.com/security/apksigning/v2.html
• new signatures take significantly less time to verify (faster install)
• enhanced security and extensibility of this new signing format (need details)
• new tool called "apksigner"

Dex

• see types/dex.h
• https://github.com/corkami/pics/blob/master/binary/DalvikEXecutable.pdf
• TODO: find it