How does ProGuard work in Android?

It detects and removes unused classes, fields, methods, and attributes. Mobile app development companies use proguard in android , it optimizes bytecode and removes unused instructions. It renames the remaining classes, fields, and methods using short meaningless names.

Where is ProGuard in Android Studio?

R8 configuration files

Source Location
Android Studio /
Android Gradle plugin Generated by the Android Gradle plugin at compile time.
Library dependencies AAR libraries: /proguard.txt JAR libraries: /META-INF/proguard/

How do I enable ProGuard?

How can I enable Proguard in Android Studio?

  1. Firstly, go to the build.
  2. You will find the minifyEnabled property as a part of the buildTypes release block.
  3. Now, all you have to do is, Set the minifyEnabled property to True.
  4. The method named getDefaultProguardFile(‘proguard-android.

How do you activate ProGuard?

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.

How do I use my R8 instead of ProGuard?

For the transition from Proguard to R8, you can follow below steps:

  1. Disable Proguard. Update the buildTypes { } configuration to disable Proguard, e.g. for release build type:
  2. 2. ( Optional) Set full R8 configurations report file.
  3. Generate the obfuscated app. ./gradlew assembleRelease.
  4. 4. (

Where is ProGuard Android optimize txt?

The getDefaultProguardFile() refers default file “proguard-android. txt” which gets from the Android SDK tools/proguard/ folder. You can also use “proguard-android-optimize. txt” file for more code shrinking located on the same folder.

What is ProGuard in Android Studio?

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.

How do I set ProGuard rules in Android?

Configuring ProGuard, an Easy Step-by-Step Tutorial

  1. Step 1: Enable ProGuard in the Android project. Before any ProGuard setup, I need to make sure that everything is running correctly.
  2. Step 2: Run the ProGuard-processed application.
  3. Step 3: Getting production-ready.