How do I find the source code of an app?

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Similarly one may ask, how can I see the source code of an Android app?

Basically you:

Use apktool to get the resource files out of the apk.
Use dex2jar to get a jar file that contains the classes in a format that Eclipse will like.
Create an Eclipse project point it at the resource files and the new jar file.
Open the jar file with a zip utility and delete the existing resources.

Likewise, how do you find the source code of a website? The first step in checking your website's source code is to view the actual code. Every web browser allows you to do this easily.

How to View Source Code

Firefox – CTRL + U (Meaning press the CTRL key on your keyboard and hold it down.
Internet Explorer – CTRL + U.
Chrome – CTRL + U.
Opera – CTRL + U.

Keeping this in view, how do I change the source code of an app?

Basically you:

Use apktool to get the resource files out of the apk.
Use dex2jar to get a jar file that contains the classes in a format that Eclipse will like.
Create an Eclipse project point it at the resource files and the new jar file.
Open the jar file with a zip utility and delete the existing resources.

How can I see the code of a .EXE file?

Exe file written in any language . You can view the source code with hiew (otherwise Hackers view). You can download it at It will be the demo version but still can view the code.

What is Android source code?

Android Open Source Project (AOSP) refers to the people, processes, and source code that make up Android. The people oversee the project and develop the source code. The processes are the tools and procedures that we use to manage the development of the software.

What is APK installer?

APK stands for Android Package Kit (also Android Application Package) and is the file format that Android uses to distribute and install apps. Manually installing apps using APKs is called sideloading. Normally when you visit Google Play to download an app, it automatically downloads and installs the APK for you.

Can APK be decompiled?

Decompilation of APK file is possible. But it might be difficult to understand the code if it is obfuscated. Extracts AndroidManifest. xml and everything in res folder(layout xml files, images, htmls used on webview etc..)

What is the source code of a program?

Source code is the list of human-readable instructions that a programmer writes—often in a word processing program—when he is developing a program. The source code is run through a compiler to turn it into machine code, also called object code, that a computer can understand and execute.

How do I convert APK to source code?

There are two useful tools which will generate Java code (rough but good enough) from an unknown APK file.

Download dex2jar tool from dex2jar.
Use the tool to convert the APK file to JAR: $ d2j-dex2jar. bat demo.
Once the JAR file is generated, use JD-GUI to open the JAR file. You will see the Java files.

How do I read an APK file?

Just open your browser, find the APK file you want to download, and tap it – you should then be able to see it downloading on the top bar of your device. Once it's downloaded, open Downloads, tap on the APK file, and tap Yes when prompted. The app will begin installing on your device.

How do I use Droidedit?

Syntax highlighting (C, C++, C#, Java, HTML, CSS, JavaScript, Python, Ruby, SQL, and more)

Just follow these steps:

Open the Google Play Store.
Search for "droidedit" (no quotes)
Tap the entry for the free version.
Tap Install.
Tap Accept & download.
Allow the installation to complete.

How do I decrypt an APK file?

These are the steps to decode an APK file.

Put in the .
Download the latest version of apktool AND apktool install window (both can be downloaded from the same link) and place them in the same folder.
Open a command window.
apktool d myApp.apk (where myApp.apk denotes the filename that you want to decode)