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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
}
}
@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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