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APK files list

APK files list


APK files are an archive file in ZIP format based on the JAR file format. The APK file usually contains the following directories:

  • META-INF directory:
    • MANIFEST.MF: the manifest file
    • CERT.RSA or CERT.DSA: the certificate of the application
    • CERT.SF: list of ressources and SHA-1 digest
  • lib: directory containing compiled code. The directory is split into more directories for each processor architecture (x86, x86_64, armeabi, arm64-v8a ...)
  • res: directory containing not compiled resources
  • assets: directory containing application assets
  • AndroidManifest.xml: binary XML file describing the application (permissions, version, libraries ...)
  • classes.dex: file in the DEX file format containing compiled Java code
  • resources.arsc: file containing precompiled resources


This entry is informative, no recommendations applicable.