How to mod APKs and Create your own Moded Games and other Apps

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How to mod APKs and Create your own Modded APK Hacks for Games and other Apps
Requirements:

• Any old https://www.google.ch/search?q=apk+decompile+compile+tool
• Windows PC / Mac
• Ideally, you know Java on an Engineer level

What you are going to want to do is to get the https://hackerbot.net/wiki/104-mod-apk-modded-apks of the game or app you want to https://hackerbot.net/wiki/22-game-mod, decompile it (unpack it into all the contained https://hackerbot.net/wiki/161-game-resources-hack and scripts), then modify the scripts and https://hackerbot.net/wiki/161-game-resources-hack and recompile the app. After that you go to testing and using of the hacked app.

• Get the https://hackerbot.net/wiki/104-mod-apk-modded-apks you want to https://hackerbot.net/wiki/22-game-mod
  Getting the APK file can be done by simply downloading it off the internet or using a file manager to copy it from your apps directory on your Android device and putting it on the SD card to extract it. Should not be any kind of problem at all.

• Decompile the APK
  Decompiling and extracting of the java compiled scripts can be done using different https://hackerbot.net/wiki/88-game-hack-tools-apps-software and the ideal way of doing it changes every few months, but here is an in-depth guide on how to do it that I found of https://stackoverflow.com/questions/3593420/is-there-a-way-to-get-the-source-code-from-an-apk-file and really, I could not put it into better words myself.

Step 1:

• Make a new folder and copy over the .https://hackerbot.net/wiki/104-mod-apk-modded-apks file that you want to decode.
• Now rename the extension of this .https://hackerbot.net/wiki/104-mod-apk-modded-apks file to .zip (e.g. rename from filename.https://hackerbot.net/wiki/104-mod-apk-modded-apks to filename.zip) and save it. Now you can access the classes.dex files, etc. At this stage you are able to see drawables but not xml and java files, so continue.

Step 2:

• Now extract this .zip file in the same folder (or NEW FOLDER).
• 
  
  extract it to the same folder (or NEW FOLDER).
• Move the classes.dex file into the dex2jar folder.
• Now open command prompt and change directory to that folder (or NEW FOLDER). Then write d2j-dex2jar classes.dex(for mac terminal or ubuntu write ./d2j-dex2jar.sh classes.dex) and press enter. You now have the classes.dex.dex2jar file in the same folder.
• http://jd.benow.ca/, double click on jd-gui, click on open file, and open classes.dex.dex2jar file from that folder: now you get class files.
• Save all of these class files (In jd-gui, click File -> Save All Sources) by src name. At this stage you get the java source but the .xml files are still unreadable, so continue.

Step 3:
Now open another new folder

• Put in the .https://hackerbot.net/wiki/104-mod-apk-modded-apks file which you want to decode
• Download the latest version of http://ibotpeaches.github.io/Apktool/install/ (both can be downloaded from the same link) and place them in the same folder
• Open a command window
• Now run command like apktool if framework-res.https://hackerbot.net/wiki/104-mod-apk-modded-apksand next
• apktool d myApp.https://hackerbot.net/wiki/104-mod-apk-modded-apks(where myApp.https://hackerbot.net/wiki/104-mod-apk-modded-apks denotes the filename that you want to decode)

now you get a file folder in that folder and can easily read the apk's xml files.
Step 4:
It's not any step just copy contents of both folder(in this case both new folder)to the single one
If you are simply looking to modify very basic https://hackerbot.net/wiki/161-game-resources-hack, templates, names ect, then you will not have to do any more than simply decompiling the APK file using any decompiler or .zip unpacking https://hackerbot.net/wiki/88-game-hack-tools-apps-software available on the internet.

• Modify the https://hackerbot.net/wiki/161-game-resources-hack (Visual https://hackerbot.net/wiki/11-game-hack/https://hackerbot.net/wiki/22-game-mod)
  This is what most of the people reading this will be able to do and it entails navigating in your decompiled APK folder and editing some simple image and xml files:

First off, in the root folder of your decompiled app you can find the ‘manifest’ fie that defines the app name, permissions requested and other foundational definitions.
The ‘res’ or ‘https://hackerbot.net/wiki/161-game-resources-hack’ folder, where you will find the very basic visual building blocks that the game / app is made of. The ‘minimap’ folders is where you can change start icons of the app, the drawable folder will include back grounds, you may also find other images, such as sprites, loading screens, game characters ect here in the case of games.

• Modify the Java Code
  So far in 2018 it is not possible to get the exact source code out of an APK as far as I am aware. You will always get an inlined, compiled version that is different from the original source code no matter what tools you use.

While you need to be able to modify scripts if you want to create game https://hackerbot.net/wiki/11-game-hack or game https://hackerbot.net/wiki/22-game-mod that actually do something, you will have to at the very least know Java in order to have any shot at success of implementing cheats into an Android Game APK.
For most of us, this is where the APK https://hackerbot.net/wiki/22-game-mod journey ends. Java is extremely complex and reverse-engineering and reassembling Java code from a decompiled APK is beyond what 99% of the people that will read this article will ever be able to do. If you are one of the few that has enough experience and knows Java well enough and has the time and energy to do it, then go nuts.

• Recompile, Test and Enjoy
  Good, you just modified your APK. It is now time to use your favorite APK decompiler/decompiler tool to recompile the APK, fire up any emulator and test the thing to see if the modifications you made sticked or if you have to go back in and work some more.