Bye Bye Dead Code

Gradle Plugin to automatically detect unused code on your Kotlin or Android project

Features

// TODO

Setup

Add the following configuration to your root build.gradle, replacing X.Y.Z with the latest version

buildscript {
    repositories {
        mavenCentral()
    }
    dependencies {
        classpath("com.dipien:bye-bye-dead-code:X.Y.Z")
    }
}

apply plugin: "com.dipien.bye-bye-dead-code"

Usage

// TODO

Tasks

Generate unused code report

This task depends on R8 which detects unused code when you build your project. So you must enable minifyEnabled in the build.gradle of your app module. See how to configure R8

./gradlew app:bundleRelease generateDeadCodeReport

The report app/build/outputs/dead_code/usage.txt will be generated.

Extension properties

The extension is configured by default to work using the release build type, but you can change this if you want. Using the extension byeByeDeadCode you can modify the following properties:

Name	Type	Description
ignoredClasses	List	Optional. List of ignored classes. Supports regex.
ignoredMembers	List	Optional. List of ignored class members. Supports regex.
generatedClassesDirs	List	Required. Directories that are used by different tools (e.g. kapt) to store generated source code. Default: ["build/generated/source/kapt/release", "build/generated/source/navigation-args/release"]
compiledKotlinClassesDir	String	Required. Directory where compiled kotlin classes are stored. Default: "build/tmp/kotlin-classes/release"
compiledJavaClassesDir	String	Required. Directory where compiled Java classes are stored. Default: "build/intermediates/javac/release"
r8UsageFilePath	String	Required. File path of usage.txt generated by R8. Default: "app/build/outputs/mapping/release/usage.txt"
reportFilePath	String	Required. File path to store the report. Default: "app/build/outputs/dead_code/usage.txt"

Remove unused Android resources

Remove unused Android resources

./gradlew removeUnusedAndroidResources

Copyright

Part of the source code of this project is based on Unused Resources Remover for Android

Versioning

This project uses the Semantic Versioning guidelines for transparency into our release cycle.

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