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@dmarcato
Last active December 21, 2022 10:10
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Gradle task to strip unused packages on Google Play Services library
def toCamelCase(String string) {
String result = ""
string.findAll("[^\\W]+") { String word ->
result += word.capitalize()
}
return result
}
afterEvaluate { project ->
Configuration runtimeConfiguration = project.configurations.getByName('compile')
ResolutionResult resolution = runtimeConfiguration.incoming.resolutionResult
// Forces resolve of configuration
ModuleVersionIdentifier module = resolution.getAllComponents().find { it.moduleVersion.name.equals("play-services") }.moduleVersion
String prepareTaskName = "prepare${toCamelCase("${module.group} ${module.name} ${module.version}")}Library"
File playServiceRootFolder = project.tasks.find { it.name.equals(prepareTaskName) }.explodedDir
Task stripPlayServices = project.tasks.create(name: 'stripPlayServices', group: "Strip") {
inputs.files new File(playServiceRootFolder, "classes.jar")
outputs.dir playServiceRootFolder
description 'Strip useless packages from Google Play Services library to avoid reaching dex limit'
doLast {
copy {
from(file(new File(playServiceRootFolder, "classes.jar")))
into(file(playServiceRootFolder))
rename { fileName ->
fileName = "classes_orig.jar"
}
}
tasks.create(name: "stripPlayServices" + module.version, type: Jar) {
destinationDir = playServiceRootFolder
archiveName = "classes.jar"
from(zipTree(new File(playServiceRootFolder, "classes_orig.jar"))) {
exclude "com/google/ads/**"
exclude "com/google/android/gms/analytics/**"
exclude "com/google/android/gms/games/**"
exclude "com/google/android/gms/plus/**"
exclude "com/google/android/gms/drive/**"
exclude "com/google/android/gms/ads/**"
}
}.execute()
delete file(new File(playServiceRootFolder, "classes_orig.jar"))
}
}
project.tasks.findAll { it.name.startsWith('prepare') && it.name.endsWith('Dependencies') }.each { Task task ->
task.dependsOn stripPlayServices
}
}
@slott
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slott commented Nov 28, 2014

With the latest 6.x of gms you might need to add the following to keep the class count to a minimum:

                exclude "com/google/android/gms/fitness/**"
                exclude "com/google/android/gms/wearable/**"
                exclude "com/google/android/gms/wallet/**"
                exclude "com/google/android/gms/cast/**"
                exclude "com/google/android/gms/ads/doubleclick/**"
                exclude "com/google/android/gms/ads/mediation/**"
                exclude "com/google/android/gms/ads/purchase/**"
                exclude "com/google/android/gms/ads/search/**"
                exclude "com/google/android/gms/analytics/ecommerce/**"
                exclude "com/google/android/gms/common/images/**"

@lemberh
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lemberh commented Nov 28, 2014

Can you explain for dummies where to put this script (in module build.gradle or in application build.gradle) and how to run it.
Because I put it in module build.gradle and get the following error
Error:(157) Execution failed for task ':phase-android-beta:stripPlayServices'.

Cannot expand ZIP 'D:\Projects\phase\phase-android-beta\build\intermediates\exploded-aar\com.google.android.gms\play-services\6.1.71\classes_orig.jar' as it does not exist.

@lemberh
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lemberh commented Nov 28, 2014

I fix it me helped @techfreak comment:
In case anyone needs this to make this work when using parallel builds (org.gradle.parallel=true inside gradle.properties), you need to add this snippet at the end :

project.tasks.findAll {  it.name.contains(prepareTaskName) }.each { Task task ->
    stripPlayServices.mustRunAfter task
}

I've created a fork with this modification here https://gist.github.com/TechFreak/f7ffcbfee5cfe318d31a: but I would prefer if the author added my modifications back to keep everything in one place

@Hoermann
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Google released GooglePlayServicesLib 6.5 you can now only compile the parts of GooglePlayServices you need http://android-developers.blogspot.de/2014/11/google-play-services-65.html

@octa-george
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Starting with version 6.5, of Google Play services, you’ll be able to pick from a number of individual APIs, and you can see which ones have their own include files in the documentation. For example, if all you want to use is Maps, you would instead have:

  compile 'com.google.android.gms:play-services-maps:6.5.87'

Note that this will transitively include the ‘base’ libraries, which are used across all APIs. You can include them independently with the following line:

  compile 'com.google.android.gms:play-services-base:6.5.87'

http://android-developers.blogspot.de/2014/12/google-play-services-and-dex-method.html

Google Play services API Description in build.gradle
Google+ com.google.android.gms:play-services-plus:6.5.+
Google Account Login com.google.android.gms:play-services-identity:6.5.+
Google Activity Recognition com.google.android.gms:play-services-location:6.5.+
Google App Indexing com.google.android.gms:play-services-appindexing:6.5.+
Google Cast com.google.android.gms:play-services-cast:6.5.+
Google Drive com.google.android.gms:play-services-drive:6.5.+
Google Fit com.google.android.gms:play-services-fitness:6.5.+
Google Maps com.google.android.gms:play-services-maps:6.5.+
Google Mobile Ads com.google.android.gms:play-services-ads:6.5.+
Google Panorama Viewer com.google.android.gms:play-services-panorama:6.5.+
Google Play Game services com.google.android.gms:play-services-games:6.5.+
Google Wallet com.google.android.gms:play-services-wallet:6.5.+
Android Wear com.google.android.gms:play-services-wearable:6.5.+
Google Actions Google Analytics Google Cloud Messaging com.google.android.gms:play-services-base:6

@AidenChoi
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If you don't want to use play services 6.5+ try this:

compile('com.google.android.gms:play-services:6.1.71') {
        exclude group: "com/google/ads/**"
        exclude group: "com/google/android/gms/analytics/**"
        exclude group: "com/google/android/gms/games/**"
        exclude group: "com/google/android/gms/maps/**"
        exclude group: "com/google/android/gms/panorama/**"
        exclude group: "com/google/android/gms/plus/**"
        exclude group: "com/google/android/gms/drive/**"
        exclude group: "com/google/android/gms/ads/**"
        exclude group: "com/google/android/gms/wallet/**"
        exclude group: "com/google/android/gms/wearable/**"
}

@jiahaoliuliu
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I am trying to get rid of the unused library for Google Play services 7.3 with the previous code but it does not work.

This is the code:

    compile ('com.google.android.gms:play-services:7.3.+') {
        exclude group: "com/google/ads/**"
        exclude group: "com/google/android/gms/ads/**"
        exclude group: "com/google/android/gms/analytics/**"
        exclude group: "com/google/android/gms/appindexing/**"
        exclude group: "com/google/android/gms/appinvite/**"
        exclude group: "com/google/android/gms/appstate/**"
        exclude group: "com/google/android/gms/cast/**"
        exclude group: "com/google/android/gms/drive/**"
        exclude group: "com/google/android/gms/fitness/**"
        exclude group: "com/google/android/gms/games/**"
        exclude group: "com/google/android/gms/identity/**"
        exclude group: "com/google/android/gms/location/**"
        exclude group: "com/google/android/gms/maps/**"
        exclude group: "com/google/android/gms/nearby/**"
        exclude group: "com/google/android/gms/panorama/**"
        exclude group: "com/google/android/gms/plus/**"
        exclude group: "com/google/android/gms/safetynet/**"
        exclude group: "com/google/android/gms/wallet/**"
        exclude group: "com/google/android/gms/wearable/**"
    }

And I still can see them in the console:

:app:prepareComGoogleAndroidGmsPlayServices730Library
:app:prepareComGoogleAndroidGmsPlayServicesAds730Library
:app:prepareComGoogleAndroidGmsPlayServicesAnalytics730Library
:app:prepareComGoogleAndroidGmsPlayServicesAppindexing730Library
:app:prepareComGoogleAndroidGmsPlayServicesAppinvite730Library
:app:prepareComGoogleAndroidGmsPlayServicesAppstate730Library
:app:prepareComGoogleAndroidGmsPlayServicesBase730Library
:app:prepareComGoogleAndroidGmsPlayServicesCast730Library
:app:prepareComGoogleAndroidGmsPlayServicesDrive730Library
:app:prepareComGoogleAndroidGmsPlayServicesFitness730Library
:app:prepareComGoogleAndroidGmsPlayServicesGames730Library
:app:prepareComGoogleAndroidGmsPlayServicesGcm730Library
:app:prepareComGoogleAndroidGmsPlayServicesIdentity730Library
:app:prepareComGoogleAndroidGmsPlayServicesLocation730Library
:app:prepareComGoogleAndroidGmsPlayServicesMaps730Library
:app:prepareComGoogleAndroidGmsPlayServicesNearby730Library
:app:prepareComGoogleAndroidGmsPlayServicesPanorama730Library
:app:prepareComGoogleAndroidGmsPlayServicesPlus730Library
:app:prepareComGoogleAndroidGmsPlayServicesSafetynet730Library
:app:prepareComGoogleAndroidGmsPlayServicesWallet730Library
:app:prepareComGoogleAndroidGmsPlayServicesWearable730Library

What am I doing wrong?

@cyberrob-zz
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As of Play service 8.3.0 you can selectively choose which individual library used in the app. So there's no need to exclude anymore.
https://developers.google.com/android/guides/setup#split

@andanicalik
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I paste it to the bottom of app's build.gradle file and it failed : "Cannot get property 'moduleVersion' on null object"
What should I do ?

@FTExplore
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Cannot get property 'moduleVersion' on null object. I got this problem and the sync failed....

@steewsc
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steewsc commented Jun 13, 2016

Cannot get property 'moduleVersion' on null object. I got this problem and the sync failed....

at
ModuleVersionIdentifier module = resolution.getAllComponents().find { it.moduleVersion.name.equals("play-services") }.moduleVersion

Happened to me to, so I printed it:
`

ModuleVersionIdentifier module = resolution.getAllComponents().find {
    System.out.println("MODULE NAME ====> " + it.moduleVersion.name);
    /*it.moduleVersion.name.equals("play-services")*/
}.moduleVersion

`
....
MODULE NAME ====> recyclerview-v7
MODULE NAME ====> core
MODULE NAME ====> gson
MODULE NAME ====> hirondelle-date4j
MODULE NAME ====> play-services-analytics
:app:preBuild
:jawampaLib:preBuild
....

As You can see, there is no "play-services", but "play-services-analytics" (in my case) :)

@androuis
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Same happens in my case.

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