Advice

Is ProGuard free?

By Angel Hume

Is ProGuard free?

Your free, open-source shrinker for Java/Kotlin apps ProGuard is a command-line tool that reduces app size by shrinking bytecode and obfuscates the names of classes, fields and methods. It’s an ideal fit for developers working with Java or Kotlin who are primarily interested in an Android optimizer.

How do I download ProGuard?

Downloading and Installing the ProGuard Obfuscator:

  1. Download the ProGuard obfuscator ( proguard2.
  2. Untar or unzip the file into a directory on your system.
  3. Choose Tools > Obfuscators.
  4. In the left pane of the dialog, select the ProGuard obfuscator node.
  5. Click the Expert tab, then click on the ellipsis (…)

Should I use R8 or ProGuard?

R8 gives better output results than Proguard. R8 reduces the app size by 10 % whereas Proguard reduces app size by 8.5 %. The android app having a Gradle plugin above 3.4. 0 or above then the project uses R8 by default with Proguard rules only.

How do I enable ProGuard on Android?

Enabling ProGuard in Android Studio

  1. Go to the build.gradle file of app.
  2. Enable the proguard minifyEnabled true.
  3. Enable shrinkResources true to reduce the APK size by shrinking resources.
  4. proguardFiles getDefaultProguardFile(‘proguard-android. txt’) to enable the default one.

Should I use ProGuard?

It is quite easy to reverse engineer Android applications, so if you want to prevent this from happening, yes, you should use ProGuard for its main function: obfuscation. ProGuard has also two other important functions: shrinking which eliminates unused code and is obviously highly useful and also optimization.

Does ProGuard work with Kotlin?

In Android, the common tools are ProGuard and more recently, R8. This means that you can run ProGuard on your Kotlin app and everything should work as intended without crashing.

Is ProGuard good?

Proguard does a great job at obfuscating and optimizing java programs, and this is especially useful for Android apps. It’s highly customizable as well with a ton of rules you can use.

How do you set proguard rules?

When you create a new project or module using Android Studio, the IDE creates a /proguard-rules.pro file for you to include your own rules. You can also include additional rules from other files by adding them to the proguardFiles property in your module’s build.

What is R8 and D8?

D8 is a dexer that converts java byte code to dex code. R8 is a java program shrinking and minification tool that converts java byte code to optimized dex code. It seems both converts java byte code to dex code literally.

How do I add ProGuard to my app?

3 Answers

  1. Go to the build.gradle file of app.
  2. enable the minifyEnabled true.
  3. enable shrinkResources true to reduce the APK size.
  4. proguardFiles getDefaultProguardFile(‘proguard-android. txt’) to enable the default one. If you want to use your own proguard file then use the below rules.

Why is ProGuard important?

ProGuard is a tool to help minify, obfuscate, and optimize your code. 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.

What is ProGuard rule in Android?

What is ProGuard? ProGuard is a free java tool in Android, which helps us to do the following, Shrink(Minify) the code: Remove unused code in the project. Obfuscate the code: Rename the names of class, fields, etc. Optimize the code: Do things like inlining the functions.