Weve made it simple to set up proguard or dexguard in your app and receive deobfuscated crash reports. Mastering proguard with proguard gui part 1 proguard. In this part, id like to talk about the practical examples of proguard rules on a medium sized sample app. Proguard is the open source optimizer for java bytecode. Lets modify it to tell proguard we want to keep the line numbers in our stacktraces. For example, if you use only a few apis of a library dependency, shrinking can. It detects and removes unused classes, fields, methods, and attributes. Proguard configuration file translation tutorial zelix. All available options are detailed in the user manual.
Since you have a traditional java application with a main method, you need to make sure this checkbox in the proguard gui is ticked. What is proguard and how to enable proguard in android studio. Proguard is a tool to help minify, obfuscate, and optimize your code. The obfuscated stack trace text area allows to enter the stack trace. This includes annotation processing, so databinding and dagger work too. It keeps all classes that have main methods, along with the main methods themselves. The mapping file text field takes the name of the required mapping file that proguard wrote while processing the original code. You can use the android proguard tool to obfuscate, shrink, and optimize your code. This video is part of the udacity course gradle for android and java. The final application will consist of the obfuscated proguard jar and the additional obfuscated gui jar. Proguard is a free java class file shrinker, optimizer, obfuscator, and preverifier. For example, your application may be creating some classes dynamically using class.
Overview test from the command line create ui tests with espresso test recorder. Click add input and add the original plugin jar here, then click add output and add the. Example of use from proguard, from android studio github. Proguard renames classes, fields, and methods with semantically obscure names and removes unused code. There are a number of ways to configure proguard, but i choose to create an ant task to obfuscate my java class files, as my application is built using ant, and adding another ant task made it easy to keep building my application this way.
Were filtering the output jar, only keeping the additional gui files. Mastering proguard with proguard gui part 1 proguard with jar. For example, if you specify public methods, public methods would not obfuscate by proguard. Although i have the proguard unscramble plugin installed, when i show click analyzeanalyze stacktrace the upper part of the occurring dialog is grayed and im not able to select proguard in the unscrambler combobox. Proguard is very useful tool to shrink, obfuscate, and optimize java code. Proguard is a free tool for shrinking, optimizing and obfuscating jar files. Jun 06, 2016 this video is part of the udacity course gradle for android and java. With these files, you can start annotating your code. Proguard java optimizer and obfuscator browse files at. In the context of proguard configuration file translation, the name and location of this log file will be set by the proguard printseeds option. Proguard gets its configuration from a file in the project called proguard. The first time you run the build, gradle will check whether or not you already have the guava and junit libraries in your cache under your. With this build type, youll be able to connect the debugger, run ui tests also on.
Practical proguard rules examples android developers. What you first need is to use proguard androidoptimize. You can find a set of such predefined annotations in the directory examplesannotationslib in the proguard distribution. Jul 20, 20 how to obfuscate jira plugin with proguardmavenplugin. You can obfuscate android code to provide security against reverse engineering. Aug 24, 2016 proguard is free java class file shrinker, optimizer, obfuscator, and preverifier. The user manual explains all available options and shows examples of this powerful configuration. You can run proguard now without any further configuration but lets tell proguard a little more about what we want. You can read more about it on proguard official website and on android developer portal. Hi all, i would like to obfuscate a newly created jira plugin. Using proguard with ant to obfuscate java class files.
To run the proguard graphical user interface, just type. You should then specify them here, so they are kept by their. Java class file shrinker, optimizer, obfuscator, and preverifier. Contribute to dweissproguard development by creating an account on github. In fact, r8 works with all of your existing proguard rules files, so updating the. It processes small android applications and entire runtime libraries in seconds. If method name, return type or argument type is not specify. Feb 20, 2018 in my previous article i explained why you should use proguard. Proguard is integrated into the android build system, so you do not have to invoke it manually. Setting up proguard in an android project responsiveandroid. How do i use proguard for eclipse java desktop applications. Kotlin is 100% interoperable with java, allowing to use all existing android libraries in a kotlin application. Cordova plugin which activates proguard and minification for debug and release builds in your cordova mobile application.
Dec 08, 2019 download proguard java optimizer and obfuscator for free. Mar 07, 2017 java project tutorial make login and register form step by step using netbeans and mysql database duration. Mastering proguard with proguard gui part 1 proguard with jar android jar proguard. View and download proteam proguard 20 owners manual online. Obfuscated code can be more difficult for other people to reverse engineer.
It has a number of apachecommons libraries in its build path. Practical proguard rules examples android developers medium. Proguard is a commandline tool with an optional graphical user interface. It optimizes bytecode and removes unused instructions. Well, with proguard you dont need to worry about your logs ending up in release builds. It is not only especially useful for reducing the overall size of your android application as well as removing unused classes and methods that contribute towards the intrinsic 64k method limit of android applications. Proguard reduces the download and startup time of android applications and improves their performance on mobile devices. You can check out the attributes list in the proguard manual. For mac os x you will need to softlink the classes. Proguard runs only when you build your application in release mode, so you do not have to deal with obfuscated code when you build your application in debug mode. Tool for shrinking, optimizing, and obfuscating java class files. Kotlin has a very compact runtime library, which can be further reduced through the use of proguard.
In this android tutorial, youll learn how to strip down your app size by making use of. Java project tutorial make login and register form step by step using netbeans and mysql database duration. In this part, id like to talk about the practical examples of proguard rules on a. From this point on you should read proguard manual for the description of options. Graphical user interface you can find the proguard gui jar in the lib directory of the proguard distribution. The corresponding proguard configuration or metaconfiguration, if you prefer is specified in. Proguard optimizes and obfuscates java applications for cell phones, bluray players, settop boxes and other constrained devices. Configure proguard and dexguard fabric for android. You can find the proguard gui jar in the lib directory of the proguard distribution. It renames the remaining classes, fields, and methods using short meaningless names. Java, proguard, and ant how to obfuscate java class files. If not, the libraries will be downloaded and stored there. The applymapping option then makes sure the proguard part of the code is obfuscated with the previously produced obfuscation mapping.
The file name can be entered manually or by means of the browse. Proguard official website java and android apps optimizer. Shrink, obfuscate, and optimize your app android developers. The final application consists of the obfuscated proguard jar and the additional obfuscated gui jar. With the nosplash option, you can switch off the short opening animation. In my previous article i explained why you should use proguard. Proguard has no direct equivalent of zelix klassmasters log file. First of all, fabric uses annotations internally, so add the following line to your configuration file.
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