We have a jar-merging task running before this task that should be merging
everything into allclasses.jar
On Fri, Dec 5, 2014 at 2:18 PM, Zac Bowling <z...@apportable.com> wrote:
> So I'm fairly sure there is a multidex bug in the gradle plugin from an
> assumption of how project are laid out. I post this on the bug tracker in a
> bit but I wanted to post it here first.
>
> Imagine a project where your activities and services are actually being
> built in subprojects or in your jar dependencies and not in the top level
> app project. The Progaurd step to make the components.jar only passing in
> the jar for the current Gradle project but not all the dependent ones when
> it makes that components.jar.
>
> In BasePlugin.groovy after:
> ProGuardTask proguardComponentsTask =
> createShrinkingProGuardTask(project,
>
> "shrink${config.fullName.capitalize()}MultiDexComponents")
>
> The proguard is step is only using:
>
> proguardComponentsTask.injars(pcData.inputFiles.call().iterator().next())
>
> If your dependencies are the ones that have all your classes the step will
> just fail (with "java.io.IOException: The output jar is empty. Did you
> specify the proper '-keep' options?"). If you get it to sort of work by
> having just a single class reference work I believe that progaurd will not
> produce what you expect it to feed into the next step when it that private
> method in dx.
>
>
> I think the entire process of asking Progaurd to shink may be an issue. I
> believe all dependencies should be added or that the allclasses.jar should
> be used instead.
>
> Also these two items are forced to always be added to the -keep list and
> they still warn with the same error:
> Note: the configuration refers to the unknown class
> 'android.app.backup.BackupAgent'
> Note: the configuration refers to the unknown class
> 'java.lang.annotation.Annotation'
>
> Here is an example of what we see with the error in our cases:
>
> :app:shrinkDebugMultiDexComponents
> Executing task ':app:shrinkDebugMultiDexComponents' (up-to-date check took
> 0.002 secs) due to:
> Input file
> /private/tmp/TestShit/app/build/intermediates/multi-dex/debug/allclasses.jar
> has changed.
> Input file
> /private/tmp/TestShit/app/build/intermediates/multi-dex/debug/manifest_keep.txt
> has changed.
> ProGuard, version 4.11
> Reading program jar
> [/private/tmp/TestShit/app/build/intermediates/multi-dex/debug/allclasses.jar]
> Note: the configuration refers to the unknown class
> 'com.apportable.app.VerdeApplication'
> Note: the configuration refers to the unknown class
> 'android.content.Context'
> Note: the configuration refers to the unknown class
> 'com.apportable.activity.VerdeActivity'
> Note: the configuration refers to the unknown class
> 'com.apportable.activity.GdbServerService'
> Note: the configuration refers to the unknown class
> 'com.apportable.media.AudioManagerService'
> Note: the configuration refers to the unknown class
> 'com.apportable.activity.ManageSpaceActivity'
> Note: the configuration refers to the unknown class
> 'com.apportable.notifications.NotificationsBootReceiver'
> Note: the configuration refers to the unknown class
> 'com.apportable.notifications.NotificationsAlarmReceiver'
> Note: the configuration refers to the unknown class
> 'com.apportable.notifications.LocalNotificationService'
> Note: the configuration refers to the unknown class
> 'com.apportable.iap.BillingService'
> Note: the configuration refers to the unknown class
> 'com.apportable.iap.BillingReceiver'
> Note: the configuration refers to the unknown class
> 'com.facebook.LoginActivity'
> Note: the configuration refers to the unknown class
> 'com.adjust.sdk.ReferrerReceiver'
> Note: the configuration refers to the unknown class
> 'com.mobileapptracker.Tracker'
> Note: the configuration refers to the unknown class
> 'com.amazon.device.ads.AdActivity'
> Note: the configuration refers to the unknown class
> 'com.google.android.gms.ads.AdActivity'
> Note: the configuration refers to the unknown class
> 'com.millennialmedia.android.MMActivity'
> Note: the configuration refers to the unknown class
> 'com.millennialmedia.android.VideoPlayerActivity'
> Note: the configuration refers to the unknown class
> 'com.rhythmnewmedia.sdk.RhythmActivity'
> Note: the configuration refers to the unknown class
> 'com.rhythmnewmedia.sdk.video.RhythmVideoActivity'
> Note: the configuration refers to the unknown class
> 'com.applovin.adview.AppLovinInterstitialActivity'
> Note: the configuration refers to the unknown class
> 'com.inmobi.androidsdk.IMBrowserActivity'
> Note: the configuration refers to the unknown class
> 'com.jirbo.adcolony.AdColonyOverlay'
> Note: the configuration refers to the unknown class
> 'com.jirbo.adcolony.AdColonyFullscreen'
> Note: the configuration refers to the unknown class
> 'com.jirbo.adcolony.AdColonyBrowser'
> Note: the configuration refers to the unknown class
> 'com.rfm.sdk.HTMLBrowserView'
> Note: the configuration refers to the unknown class
> 'com.mopub.common.MoPubBrowser'
> Note: the configuration refers to the unknown class
> 'com.mopub.mobileads.MoPubActivity'
> Note: the configuration refers to the unknown class
> 'com.mopub.mobileads.MraidActivity'
> Note: the configuration refers to the unknown class
> 'com.mopub.mobileads.MraidVideoPlayerActivity'
> Note: the configuration refers to the unknown class
> 'com.unity3d.ads.android.view.UnityAdsFullscreenActivity'
> Note: the configuration refers to the unknown class
> 'com.scopely.zendeskhelper.ui.RequestActivity'
> Note: the configuration refers to the unknown class
> 'com.scopely.zendeskhelper.ui.RequestCompletionActivity'
> Note: the configuration refers to the unknown class
> 'android.app.backup.BackupAgent'
> Note: the configuration refers to the unknown class
> 'java.lang.annotation.Annotation'
> Note: android.support.multidex.MultiDexExtractor accesses a method
> 'apply()' dynamically
> Note: there were 39 references to unknown classes.
> You should check your configuration for typos.
> (
> http://proguard.sourceforge.net/manual/troubleshooting.html#unknownclass)
> Note: there were 1 accesses to class members by means of introspection.
> You should consider explicitly keeping the mentioned class members
> (using '-keep' or '-keepclassmembers').
> (
> http://proguard.sourceforge.net/manual/troubleshooting.html#dynamicalclassmember
> )
> Note: You're ignoring all warnings!
> :app:shrinkDebugMultiDexComponents FAILED
> :app:shrinkDebugMultiDexComponents (Thread[main,5,main]) completed. Took
> 0.122 secs.
>
> FAILURE: Build failed with an exception.
>
> * What went wrong:
> Execution failed for task ':app:shrinkDebugMultiDexComponents'.
> > java.io.IOException: The output jar is empty. Did you specify the proper
> '-keep' options?
>
> * Try:
> Run with --stacktrace option to get the stack trace. Run with --debug
> option to get more log output.
>
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--
Xavier Ducrohet
Android SDK Tech Lead
Google Inc.
http://developer.android.com | http://tools.android.com
Please do not send me questions directly. Thanks!
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