APKs are also signed with an SHA1 Digest and a certificate. APKs are based on the Java Archive (JAR) format that’s used to compress Java class files and resources. UnzippingĪfter further investigation I learned that APKs are a specific type of zip-format archive file. Opening the APK through Android Studio and manually searching the x is far from efficient. The goal of this project is to quickly analyze any APK. You can see things like Kotlin, Android Support and Java IO.Īll that’s left to do is find a way to automate this process and extract those package names. Huzzah! Our package com.camerakit is there, along with all the other packages requested by the application. Aside from the lib, x is the largest component of this APK.

These files contain a translated version of all the code and classes of the application. Dex files are not Java bytecode, but its own format with entirely different bytecode instructions. This runtime environment operates and runs the bytecode on Android devices. dex is the file extension of the byte code format read by the Android Runtime (ART).

Android studio analyze apk