Performance tweaks for Android Studio and Gradle by Samuel Dionne

Android Studio is an awesome tool for Android development, but it may be sluggish at times. We’ll explore some of the ways you can tweak it to make it faster. AS is not the only culprit when it comes to performance. Gradle builds are sometimes, nay, always slow but there are some parameters we can use to improve its performance. When everything else fails, raw power does it.

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studio64.vmoptions
-Xms3g
-Xmx3g
-XX:NewRatio=3
-XX:ReservedCodeCacheSize=480m
-XX:MetaspaceSize=512m
-Xss16m
-XX:+UseCompressedOops
-Dfile.encoding=UTF
-Dawt.useSystemAAFontSettings=on
-Dsun.java2d.noddraw=false
-XX:+UseConcMarkSweepGC
-XX:SoftRefLRUPolicyMSPerMB=50
-server

gradle.properties
android.enableJetifier=true
android.useAndroidX=true
org.gradle.jvmargs=-Xmx2560M -Dkotlin.daemon.jvm.options="-Xmx2560M" -Dfile.encoding=UTF-8
org.gradle.daemon=true
org.gradle.parallel=true
org.gradle.caching=true
kapt.incremental.apt=true
kapt.use.worker.api=true
kapt.include.compile.classpath=false

Transcript

1. Performance tweaks
   for AS and Gradle
   12 + 1 tips to make your life better
   

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2. Samuel Dionne
   Transit
   Android development for
   10 years
   Started on Eclipse
   AS + Gradle is still
   painful
   

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3. 7 Gradle tips
   5 Android Studio tips
   

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4. 7 Gradle tips
   5 Android Studio tips
   

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5. 1. Disable Plugins
   File > Settings > Plugins
   

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6. 2. Custom VM Options
   Help > Edit Custom VM Options
   

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7. Here is the content of my studio64.vmoptions
   # custom Android Studio VM options, see https://developer.android.com/studio/intro/studio-config.html
   -Xms3g
   -Xmx3g
   -XX:NewRatio=3
   -XX:ReservedCodeCacheSize=480m
   -XX:MetaspaceSize=512m
   -Xss16m
   -XX:+UseCompressedOops
   -Dfile.encoding=UTF
   -Dawt.useSystemAAFontSettings=on
   -Dsun.java2d.noddraw=false
   -XX:+UseConcMarkSweepGC
   -XX:SoftRefLRUPolicyMSPerMB=50
   -server
   

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8. 3. No dynamic version
   in gradle dependencies
   

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9. 4. Experiment settings
   File > Settings > Experimental
   

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10. 5. Memory indicator
    File > Settings > Appearance
    

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11. 7 Gradle tips
    5 Android Studio tips
    

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12. 1. Disable PNG
    Cruncher
    buildTypes.debug.crunchPngs
    

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13. 1. Disable PNG
    Cruncher
    File > Settings > Plugins
    Better Yet!
    Convert all images to WebP*
    

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14. 2. Disable Crashlytics
    Build Id
    ext.alwaysUpdateBuildId
    

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15. 2. Disable Crashlytics
    BuildId
    build.gradle
    Better Yet!
    Disable Crashlytics completely
    ext.enableCrashlytics
    

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16. 3. Enable daemon
    org.gradle.daemon
    

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17. 4. Parallel build
    org.gradle.parallel
    

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18. 5. Caching*
    org.gradle.caching
    

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19. 6. Memory params
    org.gradle.jvmargs
    

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20. Here is the content of my gradle.properties
    android.enableJetifier=true
    android.useAndroidX=true
    org.gradle.jvmargs=-Xmx2560M -Dkotlin.daemon.jvm.options="-Xmx2560M" -Dfile.encoding=UTF-8
    org.gradle.daemon=true
    org.gradle.parallel=true
    org.gradle.caching=true
    kapt.incremental.apt=true
    kapt.use.worker.api=true
    kapt.include.compile.classpath=false
    

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21. 7. Offline mode
    File > Settings > Build > Gradle
    

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22. 5 Android Studio tips
    7 Gradle tips
    

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23. 5 Android Studio tips
    7 Gradle tips
    Please make it even
    FASTER
    

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24. 5 Android Studio tips
    7 Gradle tips 50k Mac Pro
    

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25. 5 Android Studio tips
    7 Gradle tips Steal CPU and Memory
    50k Mac Pro
    

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26. 5 Android Studio tips
    7 Gradle tips
    50k Mac Pro
    Steal CPU and Memory Rent a Big Server
    

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27. 1. Copy our local files
    to the server
    

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28. 1. Copy our local files
    to the server
    2. Run gradle build on
    the server
    

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29. 1. Copy our local files
    to the server
    7. Offline mode
    File > Settings > Build > Gradle
    3. Copy the results
    files locally
    

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30. Gradle plugin Mirakle
    github.com/Instamotor-Labs/mirakle
    

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31. - 3x faster incremental build
    - 5x faster full build
    - Shared C++ cache
    - Shared Gradle build cache
    (coming soon)
    - 6 person team == lot of minutes
    saved
    

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32. Thank you for listening
    Questions?
    

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