Proguard keep lambda. always_clean_up) No ProGuard keep rules provided.
In this post we'll cover what they all are, what's inside 'em, and what you can do with this knowledge! Nov 30, 2012 · You know, all subclasses of Fragment must include a public empty constructor but when using proguard these constructors will be removed. gradle createJar gradle copyDepends gradle proguard Share. keep** {*;} any suggestion? It is no Problem if the whole class is kept or only its members. package was really avoiding methods to be removed by shrinking and obfuscated (@F43nd1r's answer made me realize that by really pointing that the docs said that it avoid also shrinking), so the problem was elsewhere Jun 6, 2017 · I want to keep the class name and class fields names of all classes that have my custom Annotation: @Retention(CLASS) @Target(ElementType. pro explains it: The Android Gradle plugin allows to define ProGuard rules which get embedded in the AAR. -keepclassmembernames. I can probably get it lower than that with more careful use of the proguard options, but I'm happy enough with that saving for now. Metadata option to your configuration. This article describes how to use ProGuard’s plugin proguard-maven-plugin to obfuscate Java programs. TYPE) public @interface DoNotObfuscate { } I tried this:-keep @com. data. You need the Nov 13, 2021 · Because Java code is very easy to decompile, Java code obfuscation is needed to protect Java source code well. DoNotObfuscate public class * but that did not work. txt -keep class * extends java. anothertest but not com. duckduckgo. A Zhihu column that offers a platform for free expression and creative writing. ProGuard doesn't ever strip interfaces that are defined in libraries (like Serializable) from classes in code that is processed (like Foo). Keeps the names of all public classes in the specified package: Jan 30, 2018 · The correct approaches for obfuscating applications and libraries are completely different, but they have something in common — you should not care about public methods/classes; just obfuscate/shrink/repackage as much as possible until any more would break it. pro' Saved searches Use saved searches to filter your results more quickly Sep 10, 2016 · To keep everything except classes in your own package you can use the rule that you already pointed out (excluding the brackets):-keep class !my. BINARY) annotation class KeepInit Annotation processor for project building: Dec 23, 2021 · A quick workaround is to make the generated lambda class public, while I think the proper solution is to reverse the order of backporting, i. For example:-keep public class MyClass Alternatively, you can add the @Keep annotation to the code you want to keep. This can cause issues for Gson which uses Java reflection to access the fields of a class. -keepclassmembers,allowshrinking,allowobfuscation interface * { @retrofit2. API changes. Call-keep,allowobfuscation,allowshrinking class retrofit2. with. binary For the sake of people in the future with similar problems, I'll explain what really was happening: The -keep class my. another. String); } Or e. Dec 29, 2014 · And my proguard configuration is. It essentially uses the wildcard to keep all classes belonging to that package. Bạn cần file cấu hình mặc định Android ProGuard được bao gồm trong build project của bạn để sử Feb 22, 2023 · with_temp_cleanup(lambda: run_redex(args), args. internal. special and org. **. Feb 13, 2012 · I obfuscating my code using progured 4. Keep the specified package names from being obfuscated. We're writing out an obfuscation mapping file with -printmapping , for de-obfuscating any stack traces later on, or for incremental obfuscation of extensions. MyOtherClass: You can then use the option -applymapping mapping. base. xml in our res/raw folder. Module public class * { public <methods>; } -keep @dagger. Feb 19, 2016 · -keep class pl. Performance at build time. first. defaults. If this is possible that would be great, but if not I still need to know how to specify these functions in the proguard. , if all public methods may be callback methods:-keep class mypackage. Aug 29, 2019 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Aug 10, 2014 · Rather then specifying each function individually, I would like to name them something like listener_functionName, and use wildcards, like -keep listener_* (I know this is incorrect, but hopefully it illustrates my goal). txt. 2 this is happening and I can't seem to build it. Jan 21, 2020 · Proguard removes lambda invocations. Sep 22, 2023 · Configure ProGuard Rules: Create or edit the proguard-rules. name. cfg to your app. Nov 29, 2019 · You can find a list of possible optimizations and how to disable them in the ProGuard manual. Example Android project showing how to properly configure ProGuard. xml for the resource files to be copied to the output dir. ** { *; } -dontwarn will only ignore the warnings. 1+hotfix. My SBT based settings for a Scala lambda function are as follows - but you should, I think, get similar reductions for a Java lambda function. one. Jul 21, 2022 · Keep generic signature of Call, Response (R8 full mode strips signatures from non-kept items). cpa. * and my. Find build. Added:-keep public class * extends java. onesignal namespace which is in the input. cfg for the classes in those external jars. pro-keep public class com. Miscellaneous ProGuard will only keep the Kotlin metadata of a class if you explicitly keep that class or one of its members, and you add the -keep class kotlin. ProGuard reads and writes Java bytecode. Sep 19, 2011 · You can prevent ProGuard from removing anything in a certain package as follows; -keep,allowoptimization,allowobfuscation class com. dribbble. jar files, runs R8/ProGuard on those . coroutines. appcompat. Notable similarities and differences: Like in ProGuard configurations, we're using all lower-case names for the settings. -keep public class * { public *; }-keepclassmembers class * { public *; } You should be able to add to the proguard. Conclusion Oct 1, 2019 · Here is my implementation. CLASS) @Retention(AnnotationRetention. When to use @Keep and -keep @Keep support is actually implemented as a bunch of -keep rules in the default Android ProGuard rules file, so they’re essentially equivalent. Invest time in ProGuard rules while developing the application. Hi, I'm trying to integrate AppsFlyerSDK to my android app, but building application with proguard fails. Also, to help debug your issue, you should check the generated seeds. gradle file which sits inside /android/app/ folder and add lines in bold. txt has the following rule: # keep setters in Views so that animations can still work. I however use a classloader to dynamically load different extensions to my application. PulseAnimation { <methods>; } Testing classes. ** { *; } Please note this will disable all three features of ProGuard (shrinking, optimization & obfuscation) for all classes except the ones mentioned in the -keep rule. Easier ProGuard -keep rules configuration. Mobile AppSec by Industry Jul 24, 2012 · that I would like to keep. a() 2. gradle when building aar’s. The example application 'GuardTest' is a IntelliJ project that consists of 3 classes. Jan 10, 2016 · The generated output JAR of a "maven-plugin" project (using the maven-plugin-plugin) is broken by the obfuscation performed by the Proguard tool. xml resource file at all. myapp. I downgraded to 2. I have added/excluded the Proguard rules from the documentation. conf :-keep class !my. apache. sample. ** Sep 15, 2022 · Using Proguard aids in fulfilling the three functions listed below: Minify the code; Obfuscate the code; Optimize the code; As a result, Proguard will assist you in shrinking the size of your APK, removing unnecessary classes and methods, and making your program tough to reverse engineer. After obfuscating, there are a few things broken, so I need to keep all classmembernames inside a special namespace. Cfa with getAllNodes method to save memory. 1 from 7. package. ParticularValueFactory#createReferenceValueNull(). namespace. My proguard. Feb 12, 2014 · @BasilMusa if I understand correctly, a single asterix doesn't include the package separater, so, for example: com. 1 improves the suggestion of -keep rules by only suggesting rules for classes, methods and fields that were actually in the original application (DGD-3264). Provide supports Java versions up to and including 19. proguard. MyClass {public void myMethod();} Jun 9, 2016 · Approach 2: I have followed the below steps to overcome the issue. ** { *; } Or with a regular expression containing a negator:-keep class !mycode. If you are a library developer consider using consumerProguardFiles in build. View { void set*(***); *** get*(); } So your custom views, or any views, will not have their names obfuscated by default. Jun 19, 2020 · This is because the proguard-android-optimize. * <methods We would like to show you a description here but the site won’t allow us. The compiler will actually compile the class as a package visible class (private classes don't exist at a bytecode level). Might help others. 9. When working on your Android application (apk, aab) or library (aar), you can include ProGuard in your Gradle build by: Nov 10, 2023 · ProGuard is an open-source Java code obfuscation and optimisation tool commonly used in the Android ecosystem. The New version of Proguard 5. Unsafe { *; } #-keep class com. A tool to interactively visualise the effect of -keep rules on your app. . May 11, 2021 · New keep rules. } The embedded configuration is much like a standard ProGuard configuration. plaidapp. Instead I recommend the following mode: Apr 11, 2016 · I know this is too late to answer but this may helpfull for someone. processed. You switched accounts on another tab or window. Does somebody has already used proguard with a scala AWS lambda function and has a good setting or knows about this problem? Is there any other good solution to shrink the jar size? Best, Lothium Android中的“混淆”可以分为两部分，一部分是 Java 代码的优化与混淆，依靠 proguard 混淆器来实现；另一部分是资源压缩，将移除项目及依赖的库中未被使用的资源(资源压缩严格意义上跟混淆没啥关系，但一般我们都会放一起讲)。 This will add the ability to ProGuard to apply an optimisation called lambda merging which combines the implementations of multiple Kotlin lambda classes in a common class, called a lambda group. txt When building against an obfuscated library (providing its mapping file using -applymapping), I have noticed that lambda expressions which represent an implementation of an interface do not get obfuscated correctly when that interface is Jun 22, 2018 · Note, that "completely skipping" class with Proguard is a always bad idea, because it may also indirectly keep some classes, used from code of your kept classes. I worked through the many ClassNotFoundExceptions, adding the keep options to proguard. mysite. class) to two different fragments in different packages while obfuscating. gradle file: implementation 'com. How should we apply it to our project? To enable Proguard in your project, build the app, then in the . ClassA {public *;} -keepattributes InnerClasses - I'm invoking a lambda function from my code using an AsyncTask. Adding it on a method or field will keep the method/field (and its name) as well Tried adding following to proguard-rules. dex file(s) that will be packaged into your . I thought i explained my problem clearly. { *; } The keep rule you have -keep class com. Sorry for bad english. Attempting to use the obfuscated JAR as a Maven plu Sep 5, 2011 · If you don't want to edit the Ant script, you can add -keep options to proguard. Redex optimizations will not preserve semantics without accurate Nov 5, 2015 · Kotlin works with Proguard but Proguard is not working effectively with Kotlin yet. If the names of the local variables and parameters in your obfuscated code don't look obfuscated, because they suspiciously resemble the names of their types, it's probably because the decompiler that you are using is coming up with those names. @Keep data class CommonNotification( val title: String Dec 7, 2011 · How can I tell proguard to keep my classmembers? I need them for JSON compatibility This is my class: package com. codec. lang. It sees them as public because they are marked public in the bytecode. editor. xenoamp. We generally do not need this unless we are looking for resources via Resources. May 26, 2021 · You need to use -keep to keep the class from any packages, something like:-keep class io. I've tried to use:-keepclassmembers class SomeType { public static SomeType parse(***); } Jul 31, 2018 · Just like ProGuard, R8 can remove logging calls with the option -assumenosideeffects, but it doesn't yet clean up related code as effectively. enableR8=false Further tests show that the implicit behavior of ProGuard is not implemented like that in R8. Both ProGuard and R8 were designed for app optimization, and although they employ minimal obfuscation techniques, they are not security tools and do not harden applications effectively against reverse engineering and tampering. * would keep com. -keep,allowobfuscation,allowshrinking interface retrofit2. So, while using Proguard, you need to keep a few things Là một sự thay thế cho việc viết các rule phức tạp của ProGuard, bạn chỉ cần thêm annatation @keep trên các classes/methods/fields mà bạn không muốn xoá bỏ, đổi tên bởi ProGuard. ListResourceBundle { protected java. -keep @dagger. There are no runtime errors, until I run the application jar obfuscated with proguard. What I think happened in this case, was: 1. greenrobot. The problem is Java Property Descriptor uses a small constructor which assumes what will b Mar 28, 2015 · Obfuscate that jar with ProGuard; Fix some issues in that jar that ProGuard fails to do; 1) The minimal example application. More precise keep rule suggestions provided by -addconfigurationdebugging. For example: Apr 8, 2021 · 日常的Android开发当中，我们会使用ProGuard来混淆项目，阿博在这篇博客会分享一下详细的ProGuard用法。 混淆的好处 代码混淆，增加逆向之后的解读的难度； 精 Mar 16, 2020 · Android's build tools come with a few ProGuard facets to squeeze the most juice out of your release builds. ** { *; } -keep class !my. Function<String, String> function = (u) -> u + "+1"; String s1 = function Oct 10, 2016 · Proguard # removes such information by default, so configure it to keep all of it. build >> output >> mapping >> aapstoreliverelease (depend on what environment you selected) >> missing_rules. pro' } buildTypes { release { minifyEnabled false // don't proguard the library itself. Try to use precise rules according to the use case of your code. pro' } } minifyEnabled true sẽ kích hoạt proguard lấy từ file proguard-android. } } } the default proguard-consumer-rules. I recently upgraded to AGP 8. -keepclassmembers public class * extends android. properties files: android. Or change the contained anonymous class into a lambda, if possible. { *; } Using the modifiers allowoptimization and allowobfuscation will make sure that ProGuard still obfuscates and optimizes the code. Jan 18, 2023 · Resource shrinking is typically done after code shrinking, but instead of using Proguard rules, we can specify resource retention using a keep. For instance:-keep class othercode. The discussion there is that the -keepclassmembers rule does not indicate that any such instances exist, so if no instantiations are known and no keep rule is given for the class, then the rule does not apply. g. ProGuard is a tool for ‘shrinking’ and obfuscating compiled classes. Dec 20, 2023 · I am using proguard 2. getIdentifier() . Arguments typically have quotes. -keep class androidx. R8, the default Android shrinker, is compatible with ProGuard keep rules. 0' implementation 'com. For more detailed usage check: ProGuard manual. apply() --> Function. ** { *; } but I don't feel it's a good solution (and I have no idea what other classes can fail this way!). Not directly relevant but if you use Kotlin's collections, you need to add the following Proguard rule as well: -keep class kotlin. Jul 31, 2023 · When I build an APK it comes out to be 30MB. While setting up your configuration, you can specify the option -addconfigurationdebugging to help track down these cases at run-time and let the Share your keep rules when asking for advice on our community. I have a configuration class with a bunch of Sep 29, 2017 · As an alternative to writing complicated ProGuard rules, you can just add a @Keep annotation on single classes/methods/fields that you don’t want removed or renamed by ProGuard. – Since ProGuard can't always detect this automatically, you have to keep the missing method using the appropriate -keep option, e. AnimationUtils -keep public interface com. proguard-android-optimize. To do this, I added this in my proguard. MyOtherClass -> a. Jul 7, 2022 · In order to configure proguard to keep all classes from a single package, say org. Welcome to the Guardsquare community! It looks related to Native Methods. pro' } } Nov 19, 2021 · After long time trouble, fix it by below steps. ** { *; } works well in my case. You signed out in another tab or window. Proguard may assign the same name (A. For example:-keep class com. Reduced ProGuard configuration size. In this case, two fragments will have the same TAG. First, I have added dependencies to my build. So can anyone explain what is the problem and what ProGuard line should I add to potentially fix similar occurences of other classes used inside withView? Apr 3, 2013 · ProGuard doesn't have a standard option to rename packages yet keep their simple class names. interfaces. "-keepclassmembers class com. of. Android Gradle project¶. example. appsflyer:af-android-sdk:4. This allows you to compress, optimize and obfuscate May 5, 2018 · Create an annotation that applied to class which should keep constructor: @Target(AnnotationTarget. Object[][] getContents(); } # Keep SafeParcelable value, needed for reflection. cfg. by visualizing the impact of keep rules. It is generally located in the folder path sdk/tools/proguard. The options don't have a dash as prefix. Each library configuration should only be the rules required for that specific library, not a complete Android ProGuard configuration. If you can avoid using ProGuard in development, you should try to do so. Fix delegation of proguard. MyClass { void myMethod(); }". , backport lambda default methods first, then backport lambdas. a Aug 2, 2019 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Apr 30, 2022 · You need to add a proguard. -flattenpackagehierarchy [ package_name ] Repackage all packages that are renamed into the single given parent package. MyCallbackClass { public <methods>; } Jun 1, 2017 · # Add any project specific keep options here: # If your project uses WebView with JS, uncomment the following # and specify the fully qualified class name to the JavaScript interface # class: -keepclassmembers class fqcn. Also note the *; is required. Comparing performance of the optimizations at build time is tricky, since ProGuard and R8 have somewhat different purposes. I would recommend adding broad keep rules like the ones below and then fine-tuning them so they only keep the error-causing classes. -keepattributes Signature # For using GSON @Expose annotation -keepattributes *Annotation* # Gson specific classes -keep class sun. MyClass -> a. So a rule like:-keep class !org. Those two rules will shrink you code and the apk will be more light. The workaround is to change just those lambda expressions into anonymous classes. app. -keep public class com. google. Keep your mapping file of the Proguard to trace back to the original code. It replaces the reflection-based implementation of GSON for reading and writing fields with injected and optimized code that accesses the fields of the domain classes directly when reading and writing JSON. Step 2: Once you identify the list, keep removing one by one external library files and plug in upgraded version library files which will help you to isolate the library which might causing the Apr 21, 2016 · I've found it has helped me reduce lambda functions from 15Mb to 3Mb. Dec 7, 2011 · I'm trying to obfuscate my Android app. ProGuard no longer supports backporting, and cannot backport class files compiled with Java >11. utils. AnkoComponent The ProGuard tool shrinks, optimizes, and obfuscates your code by removing unused code and renaming classes, fields, and methods with semantically obscure names So if the code is being used, there's no reason why Proguard would remove it. The short message is: M Mar 20, 2018 · Please anyone can explain about keepnames attribute. android { buildTypes { release { signingConfig signingConfigs. This is the most permissive keep directive; it lets ProGuard do almost all of its work. How ProGuard works ProGuard can rename classes, fields and methods by removing useless code and using short, meaningless names. txt Proguard can add a few minutes to your build cycle. The problem is that these don't load correctly if their names are changed. -keepclassmembers enum * { public static **[] values(); public static ** valueOf(java. ProGuard optimizes Gson code by detecting which domain classes are serialized using the Gson library. 7, and im keeping class A that have javadoc describing what the class do. -keepattributes Signature, InnerClasses, EnclosingMethod # Retain service method parameters when optimizing. Response. jar files, and produces the final . Follow buildTypes { release { minifyEnabled true proguardFiles getDefaultProguardFile('proguard-android. dao. txt'), 'proguard-rules. During this iteration, ProGuard also indicates that I should add the following-keeprule:-keepclassmembers class com. proguard renamed Function. TestMainDispatcherFactory I'm working on a library that is distributed as a java jar, and I'm running proguard on it in such a way as to only leave the required interfaces exposed. ** { *; } as a way to exclude a path from being processed. Replace allNodes field in proguard. 4 gradle-retrolambda but still got errors like this: Have you done a clean build? task myProguardTask(type: proguard. In this file, you can specify custom ProGuard rules to preserve certain classes, methods, or attributes that should not be obfuscated or removed. MyAnnotation Nov 1, 2012 · ProGuard - Keep Entire Package (Different Variations) ~ 1 min read. Jun 4, 2013 · If the inner class is private, you shouldn't use the public keyword in the template, because it won't match. Once you begin to include enough libraries that causes the 64K method limit to be reached, you either need to remove extraneous dependencies or need to consider following the instructions for supporting a higher limit by using the multidex mode. ## BEGIN -- Google Play Services proguard. Try to create build at machine level and find missing_rules. DaggerGenerated public class * {public <methods>;} Some of those classes have companion objects that should also be protected. -keep interface * { <methods>; } To keep all public and protected methods, which could be used by reflection:-keepclassmembernames class * { public protected <methods>; } While I don't understand, why one would want to keep abstract classes, which Jul 29, 2016 · Yes its good thing to mention -dontnote and -dontwarn in our proguard configuration file. Sep 2, 2017 · shrinkResources true will compress your images (png, jpeg, etc). Then only we would avoid warnings and duplicate definition information. InnerClasses is required to use Signature and # EnclosingMethod is required to use InnerClasses. Jan 20, 2017 · If Proguard was aware of the incompatibility of a code transformation with a lambda use, it didn’t make the transformation. value. javascript. The ProGuard artifacts are hosted at Maven Central. # Retrofit does reflection on generic parameters. Aug 24, 2021 · You can keep everything in a certain package you made yourself as follows;-keep,includecode class !com. yourpackage. Proguard cannot distinguish internal classes and members from public ones. Nó nằm trong khối release, có nghĩa là nó sẽ chỉ được áp dụng khi chúng ta build bản release. This project assumes that your ProGuard configuration is based off of the latest official proguard-android. will this keep only class name or all the members and methods of class. android-proguard-example. android { defaultConfig { consumerProguardFiles 'proguard-consumer-rules. Also, there is a feature request on GitHub for this repo to support ProGuard, here. From Guard Square documentation about -keep-keep Specifies classes and class members (fields and methods) to be preserved as entry points to your code. Perfect for learning how ProGuard keep rules work, bootstrapping a new app's config, or creating a demo to share online. view. When I enable proguard, the block is erased How do I make proguard keep it? Android. Adding @Keep on a class keeps the entire class as-is. Please provide me a way to keep only class name not all the methods and members of the class. CollectionsKt { *; } Since Kotlin's Standard Library has its own Collections file and it contains top level functions and because files with top-level functions are not a direct Java class, you should Jan 24, 2017 · This bug happens when an anonymous class is created inside a lambda expression. Hopefully in future there will be a way with one ProGuard rule to disable the obfuscation for all Data classes in package without the need to have a sub-package for the model classes. txt file that is a part of the SDK). Library code may be casting to those interfaces, so they can't be removed. AbstractDao { public static <fields>; public static class *; } But this is not working. Oct 16, 2016 · I have a desktop (JavaFX) scala application that uses the akka actors library. Basically, I want to obfuscate the class name, all static and non-static methods, plus the class fields. 4, not sure if that screwed up something. getInstance(); private Calendar dateTo = Calendar. ** { *; } The standard Ant script will still merge all referenced jars in the single output jar though. So I make only one wild guess: is it possible that Proguard turns instance methods into static methods if they don’t use this? – Nov 22, 2016 · You signed in with another tab or window. Oct 14, 2020 · Proguard. txt, if the class is included then its kept. test or com. Dec 14, 2016 · Current Proguard rules (as of 12/18) are here. cfg file that you set Build Action to ProguardConfiguration. Example Proguard configurations for common Android libraries. gradle file which will download ProGuard from Maven Central: Aug 10, 2022 · How can I make it so that R8 does not rename the lambda expression to the onesignal libraries. I have tried for instance The proguard step takes as input a list of . ProGuard can be run as a task in Gradle. Checkout the ProGuard manual for help with using the latest ProGuard version in your Android, Java or Kotlin projects. 0 is a major new release that focuses on facilitating configuration. ** Sep 7, 2017 · @Keep data class MyRequestBody(val value: String) Using @Keep may cause problems because it's easy to forget to add it for new classes. U Sep 18, 2023 · Here are some common ProGuard rules: Keep Rules: To prevent specific classes, methods, or fields from being removed or obfuscated, you can use “keep” rules. It works fine in debug or in release without Proguard but when it runs in release with Proguard it throws a LambdaFunctionException. Kind regards, Jonas 探索代码混淆的概念及Proguard工具在Java和Android应用中的应用。 Oct 3, 2013 · In my proguard, I have the following to keep public enums from being obfuscated. A double asterisk would keep all potential subpackages ad infinitum – Aug 16, 2023 · Hi @Satish_kumar,. always_clean_up) No ProGuard keep rules provided. apk Deobfuscation Obfuscation can be turned off for local builds while leaving ProGuard enabled by setting enable_proguard_obfuscation = false in GN args. Can anyone help me to keep empty constructor of Fragment? Thanks you. I'm trying to prevent proguard from obfuscating interface method variable names. 本文已授权微信公众号「玉刚说」独家发布。 这篇文章是「Java 混淆那些事」的第三篇，我们来真枪真刀的干一下子，用实际行动验证了解一下 ProGuard 的 Keep 语法，这篇代码偏多，希望大家好好理解。 Sep 9, 2020 · proguardFiles — The configuration of ProGuard is done by specifying the default ProGuard rules (proguard-android-optimize. model. Lastly, ProGuard also proposes the following keep rule: -keep class kotlinx. EditorCard { *; } -keep class * extends org. fxml' Sep 14, 2016 · Using -keep class com. stream. gson. Jan 12, 2024 · I am using Proguard to obfuscate my project, and I am using some property descriptor in my Java 8 project. Sep 20, 2018 · First, we will enable shrinking and obfuscation in the build file. ** will implicitly keep all other classes when using ProGuard, but not when using R8. jetbrains. collections. Dec 25, 2012 · It's an unusual requirement, but this should work:-keepclassmembers class mypackage. debug minifyEnabled true useProguard true proguardFiles getDefaultProguardFile('proguard-android. 4 retrolambda and 3. Lots of people seem to recommend -keep class com. minifyEnabled true will obfuscate you code. Aug 7, 2018 · It's difficult to explain what actually happens in this particular case, but Proguard does not work well with Java 8 lambdas in general. MyClass: com. 4 and I am trying to do something maybe tricky. Integrated¶. It is primarily employed to shrink, optimize, and obfuscate Java bytecode in Android Oct 18, 2017 · removing empty lambda blocks in the given class. gradle. evaluation. The Task :app:minifyReleaseWithR8 FAILED fails. ProGuardTask) { . * but keep every others and their calls non-obfusced. pro has the following configurations but still the method variables appear as a, b etc. For more detailed information see standalone mode. You can't force ProGuard to remove annotations, but you can tell it to keep seemingly unused annotations:-keep @interface com. for. I would like to obfusce only two sets of package, let's say my. ProGuard 6. Can you try keeping them like so?-keepclasseswithmembernames class * { native <methods>; } Feb 25, 2017 · I had a look at the class and proguard deleted this function. 3 beta has released two weeks before. This pull request depends on a pull request in ProGuard-CORE: Classes needed for lambda merging in ProGuard #36. SimpleAnimationListener Then in my mappings I would get: In this case, for callback methods: ProGuard manual > Examples > Processing callback methods-keep class mypackage. The key used for fields in JvmAbstractState has been updated to include the field type to disambiguate between overloaded fields. ** { *; } should keep everything in the com. Step 1: Identify and keep a list of external libraries consumed by your application. special { *; } I would like to configure proguard to keep all classes except when they are from either of two packages, say org. Note that this option may also be required by an SDK of your project, and indirectly added as a consumer rule. Earlier this year we released the beta version of the Proguard Playground. You could create a ProGuard mapping file manually, with lines like: com. crossbar. anko. It will lead to the bug in your application. proguard made appropriate fixes in app except it did NOT fix invokedynamic(s) used for lambda instantiation Jun 10, 2012 · Hello I am writing an Android app and I have set up Proguard to obfuscate my application. Main: contains the application entry point and loads the GUI fxml file 'sample. analysis. MyCallbackClass { void myCallbackMethod(java. test. commons. MyClass { <fields>; *** !<init>(); } The third line matches methods with any Dec 9, 2019 · In order to keep using Proguard in the meantime, you can add this to your gradle. Jul 18, 2011 · ProGuard manual > Troubleshooting > Unexpected observations after processing > Variable names not being obfuscated. txt as needed. ** Jul 1, 2020 · Suggestions. But the code that is kept will keep its original names. Exception -keepattributes *Annotation* -keepattributes SourceFile,LineNumberTable Excluded: -printmapping mapping. Now, we are happy to announce that the proguard playground has left beta and has officially been released. mymodule. util. notably lambda expressions. Btw in terms of context I need this for an app using Roboguice on Android, which is why I added the tags. With R8 full mode generic signatures are stripped for classes that are not kept. Dec 6, 2023 · ProGuard is either removing or obfuscating these names so they are no longer recognized at runtime and adding keep rules will prevent this. Jan 30, 2013 · I want ProGuard to replace: MyDao (the className) the PROPERTIES' variables (ID, Name, Done) I want ProGuard NOT to replace: TABLENAME (variable name) PROPERTIES (className only) I tried this-keepclassmembers class * extends de. One way is to add the following line to your build. Make sure in Properties of the proguard. interface. E. ** It’s a safe bet to add a @Keep annotation on the whole class or a wildcard rule on all your models:-keep class io. How can I configure a proguard -keep statement so it applies to all classes that have that annotation. Reload to refresh your session. Ask Question Asked 4 years, 6 months ago. The exception is telling you that r8 is removing that class. gradle include: buildTypes { release { minifyEnabled true proguardFiles getDefaultProguardFile('proguard-android. http. Using channel dev got the same issue. It does not help: -keep class com. second. mypackage. How do I keep Proguard from obfuscating specific class names? Aug 7, 2018 · There is some mess with proguard optimizations for android when Function is instantiated with lambda com. Unused classes are removed, the remaining classes are renamed, unused members of those classes are removed, but then the remaining members keep their original names. pro file to specify any custom ProGuard rules needed for your project. myorg. Jan 28, 2022 · To keep your app light and fast, you should always shrink it. what did't worked was-keepclassmembers class my. Here is an example of the method names not being obfuscated: ProGuard 7. browser. qus. Before you can use the proguard task, you have to make sure Gradle can find it in its class path at build time. e. These rules help in preserving specific code and resources that should not be obfuscated. I have specified below commands but empty constructor still be removed. cfg Sep 15, 2019 · So I was building my app and deploying it to Google Play normally, now after STABLE version 1. See here: exclude packages from proguard; Make Proguard completely ignore package; Prevent a directory from proguard obfuscation You can refine your keep rules using the ProGuard Playground which visualizes how your keep rules match the entities in your app. Sep 20, 2023 · For some reason, one of our data class model is being obfuscated or removed during build and we had to add @Keep annotation to it to work. With, -keep you can keep any classes, class fields, and methods. Published 01 Nov 2012. When I changed the config to also keep this file, I get another problem in another file. pro file in your app module's root directory. customcomponents. Run ProGuard: Build your project using the release build type, and ProGuard will automatically run during the build process. webview { public *; } # Uncomment this to preserve the line number information for # debugging Related issue b/137890409. Kotlin support in Proguard is still in beta at this moment. to. Without knowing more about the specific case, it’s not possible to identify the issue. Java 混淆那些事（三）：了解 ProGuard Keep 规则. common. holiday; public class Holiday { private String name; private Calendar dateFrom = Calendar. You'll need to manually add a copy action to the build. adapter. onesignal. cfg the following lines to exclude all classes within a package (and subpackages)-keep class org. FitWindowsFrameLayout Jul 25, 2016 · I'm trying to configure ProGuard to obfuscate these classes and all their methods and fields except the parse() methods. changing signing version to v1 (Jar signature) adding rule -keepclasseswithmembers class mypackage. api. widget. The following is the path on my Mac, and your path may differ, but ideally, it will be Nov 30, 2017 · ProGuard automatically removes annotations from the classes/fields/methods if the corresponding annotation classes are not used (retrieved, cast, invoked,) elsewhere. xml script didn't process the . So you need to add a keep rule like the following in a proguard. It can rename methods and fields, or remove them if they appear to be unused. String); } My question is, does this also keep the public enum Currency in a class like this? Mar 23, 2022 · I protect those by using custom proguard rules around the @Module and @DaggerGenerated annotations. conf-keep public class * { public * ; } Gradle commands to obfuscate. Oct 12, 2023 · Customize ProGuard Rules: Create a proguard-rules. misc. special, the following notation works:-keep class !org. The release also comes with a few additional updates: Aug 15, 2024 · To fix errors and force R8 to keep certain code, add a -keep line in the ProGuard rules file. txt config as shown below. getInstance(); I already tried, but it doesnt work ProGuard 会检测和移除封装应用中未使用的类、字段、方法和属性，包括自带代码库中的未使用项（这使其成为以变通方式解决64k 引用限制的有用工具）。ProGuard 还可优化字节码，移除未使用的代码指令，以及用短名称混淆其余的类、字段和方法。 First of all, It turned out that using ant and my build. tools. pdd tldbmor xuujob zooyza zupbg mhmdwj fxjsn llduubq xta ruzg