The APK format is a ZIP file that always includes the files AndroidManifest.xml and classes.dex. Then it also always has a JAR signature (i.e. META-INF/). It does not have the JAR magic number CAFEBABE in it.
- Bug#868486: diffoscope often fails to detect APKs Hans-Christoph Steiner
- Bug#868486: diffoscope often fails to detect A... Ximin Luo
- Bug#868486: diffoscope often fails to dete... Hans-Christoph Steiner
- Bug#868486: diffoscope often fails to detect A... Chris Lamb