![android studio debug string raw android studio debug string raw](https://i.stack.imgur.com/yypti.png)
- #Android studio debug string raw apk#
- #Android studio debug string raw install#
- #Android studio debug string raw full#
This script completely automates the process of extracting Java code from release APK files and makes it easy to experiment with different backends (we'll also use it in some of the examples below). For convenience, we have packed some of these decompilers into our apkx wrapper script. Popular free decompilers include JD, Jad, Proycon and CFR. Fortunately, Java decompilers generally deal well with Android bytecode. In addition to the SDK and NDK, you'll also something to make Java bytecode more human-friendly. This is the Native Development Kit that contains prebuilt toolchains for cross-compiling native code for different architectures. In general, these tools are backward-compatible, so you need only one version of those installed. These packages include the Android Debugging Bridge (ADB) client as well as other tools that interface with the Android platform. The newest SDK Tools and SDK Platform-Tools packages. Make sure that the following is installed on your system:
#Android studio debug string raw install#
With Android Studio, you also get an SDK Manager app that lets you install the Android SDK tools and manage SDKs for various API levels, as well as the emulator and an AVD Manager application to create emulator images.
![android studio debug string raw android studio debug string raw](https://upload-images.jianshu.io/upload_images/17626152-89f818ccd984dbc4.png)
We encourage you to have a crack at the challenges yourself before reading on! What You NeedĪt the very least, you'll need Android Studio, which comes with the Android SDK, platform tools and emulator, as well as a manager app for managing the various SDK versions and framework components.
#Android studio debug string raw full#
Note that in the following sections we'll use the OWASP Mobile Testing Guide Crackmes as examples for demonstrating various reverse engineering techniques, so expect partial and full spoilers. Plus, they need the right toolset to deal with both native code and bytecode running inside the Java virtual machine.
![android studio debug string raw android studio debug string raw](https://user-images.githubusercontent.com/985892/44457696-3b505300-a604-11e8-9752-1eebc7778c8e.png)
You'll need a working knowledge about both the Java-based Android environment and the Linux OS and Kernel that forms the basis of Android - or better yet, know all these components inside out. This can complicate things for reverse engineers (to be fair, there might also be legitimate reasons for using JNI, such as improving performance or supporting legacy code). Developers sometimes use the native layer to "hide" data and functionality, or may structure their apps such that execution frequently jumps between the two layers. Java Native Interface (JNI) is sometimes used on purpose to confuse reverse engineers. For example, you'll need to deal with both Java bytecode and native code. However, there's also a few Android-specific challenges. From the powerful tools shipping with the SDK, to the wide range of available reverse engineering tools, there's a lot of niceties to make your life easier.
![android studio debug string raw android studio debug string raw](https://4.bp.blogspot.com/-XU0ha__aBjE/VPxL_MNjhHI/AAAAAAAABIQ/OrJtzNLxeo4/s1600/app1.png)
Even on standard retail devices, it is easily possible to do things like activating developer mode and sideloading apps without jumping through many hoops. Because Android is open source, you can study the source code of the Android Open Source Project (AOSP), modify the OS and its standard tools in any way you want. In comparison to "the other" mobile OS, Android offers some big advantages to reverse engineers. In the following chapter, we'll look at some peculiarities of Android reversing and OS-specific tools as processes. However, dealing with both Java and native code can make things more complicated at times. Its openness makes Android a favorable environment for reverse engineers.