Proguard example Code obfuscation: Rename the names of classes, fields, and so on. Quick Start • Features • Contributing • License ProGuard is a free shrinker, optimizer, obfuscator, and preverifier for Java bytecode: It detects and removes unused classes, fields, methods, and attributes. Aug 5, 2021 · Proguard Obfuscate Spring Boot Maven Plugin Example For big spring boot projects we can't obfuscate all files because for example may be will break spring autowiring (by default spring autowiring search classes by variable name) and other blocks. Nov 3, 2024 · Obfuscate Spring Boot Applications with Proguard Maven Plugin ProGuard ProGuard is an open-sourced Java class file shrinker, optimizer, obfuscator, and preverifier. ProGuard is a free Java app for Android that allows us to do the following: Reduce (minimize) the code: Unused code in the project should be removed. It renames the remaining classes, fields, and methods using short meaningless names. Sep 29, 2025 · android { buildTypes { release { // Enables code-related app optimization. So we must check every obfuscation rules by running . pro and then type: java -jar proguard. It optimizes bytecode and removes unused instructions. pro Nov 7, 2024 · ProGuard is a powerful tool that shrinks, optimizes, and obfuscates your Android application code. Improve the code: Inline the functions, for example. pro, which you can then use with Feb 20, 2018 · Practical ProGuard rules examples In my previous article I explained why everyone should use ProGuard for their Android apps, how to enable it and what kind of errors you might encounter when Jul 23, 2025 · For example, if you reference your code from an XML file (which normally uses reflection) and use Proguard at the same time, Proguard will change your class name to "a" or something similar in the XML code, no changes will be made, and this will result in a class not found or method not found exception. pro. It’s an essential part of the build process for releasing production-ready apps, offering ProGuard, Java optimizer and obfuscator. Nov 11, 2023 · Below is an example of how ProGuard can achieve this by shrinking and obfuscating the code in an Android application. Processing different types of applications A typical application To shrink, optimize, and obfuscate a simple Java application, you typically create a configuration file like myconfig. isMinifyEnabled = true // Enables resource shrinking. Let’s consider a simple Android application with the following code: Setup - Java/Kotlin Gradle ProGuard can be run as a task in the Java-based build tool Gradle (version 2. GitHub Gist: instantly share code, notes, and snippets. jar file. xml. May 11, 2021 · This post provides a practical example of applying Proguard to a real-life application. Callback methods are discussed below as a typical example. ProGuard doesn't look at your native code, so it won't automatically preserve the classes or class members that are invoked by the native code. These are entry points, which you'll have to specify explicitly. Jan 28, 2022 · Android has Proguard capability to minimize the size of the APK. 1 or higher). txt"), Sep 4, 2019 · 6 I want to learn how to write android proguard rules in order to obfuscate the code and make it harder to reverse engineer the app. May 25, 2015 · An example configuration for proguard-rules. The resulting applications and libraries ProGuard is a Java class file shrinker, optimizer, obfuscator and preverifier. ProGuard is the most popular optimizer and obfuscator for Java bytecode and Android apps. Reduce your Java and Android apps up to 90% with ProGuard. This documentation contains instructions and examples. Most of the common rules specify in the pom. jar @proguard. A typical application To shrink, optimize, and obfuscate the ProGuard application itself, one would typically create a configuration file proguard. Configuration - Examples You can find some sample configuration files in the examples directory of the ProGuard distribution. getDefaultProguardFile("proguard-android-optimize. . ProGuard, Java optimizer and obfuscator. Contribute to Guardsquare/proguard development by creating an account on GitHub. isShrinkResources = true proguardFiles( // Default file with automatically generated optimization rules. Most of the configuration needed during this process is related to creating a coherent set of -keep rules. stxd zhrazk zukj qlzdc jyc zouzm myokv wmjll bjsmpnpw xxav vfw uvrpt isly kjyk pdp