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34 lines
1.1 KiB
34 lines
1.1 KiB
# R8 Configuration Analyzer Guide
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## Custom R8 Version Setup
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To force the Android Gradle Plugin to use a custom version of R8 (like `9.3.+`), you need to update your `settings.gradle.kts` file.
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Add the following `buildscript` block at the very top inside `pluginManagement` inside settings.gradle
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```kotlin
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pluginManagement {
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buildscript {
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repositories {
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mavenCentral()
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maven {
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url = uri("https://storage.googleapis.com/r8-releases/raw")
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}
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}
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dependencies {
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classpath("com.android.tools:r8:9.3.7-dev")
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}
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}
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// ... rest of your pluginManagement block
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}
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```
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## Generating the R8 Keep Rule Analyzer Report
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To generate the R8 Keep Rule dump, you need to execute a minified build and pass the `dumpkeepradiushtmltodirectory` flag to the JVM arguments running the R8 compiler.
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Run the following command in your terminal:
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```bash
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./gradlew clean assembleBenchmark --no-build-cache -Dcom.android.tools.r8.dumpkeepradiushtmltodirectory=/tmp/r8analysis
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```
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After the build succeeds, the HTML tree report will be available in the `/tmp/r8analysis` directory.
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