in Android studio gradle versions
distributionUrl=https\://services.gradle.org/distributions-snapshots/gradle-4.5-20171123235935+0000-all.zip
classpath 'com.android.tools.build:gradle:3.1.0-alpha04'
its getting this error
Error:Could not get unknown property 'manifestFile' for task ':backend:generateDebugRFile' of type com.android.build.gradle.internal.res.GenerateLibraryRFileTask.
Trying to change gradle, Studio version etc no affect
First off, regular caveats about using pre-release (alpha) software apply: if you don't need to use the alpha for any particular reason, consider using the stable versions instead. Right now that means
com.android.tools.build:gradle:3.0.1)With that out of the way....it could be that the 3.1.0-alpha04 plugin removed support for manifestFile, and some other plugin you're using still depends on that. After all, the tools team did remove the similarly-named manifestOutputFile in 3.0.
I tried building a project with
that applied the fabric plugin and got an error message that looks a lot like the one you posted:
Caused by: groovy.lang.MissingPropertyException: Could not get unknown property 'manifestFile' for task ':libs:generateProdDebugRFile' of type com.android.build.gradle.internal.res.GenerateLibraryRFileTask.
at org.gradle.internal.metaobject.AbstractDynamicObject.getMissingProperty(AbstractDynamicObject.java:83)
at org.gradle.internal.metaobject.AbstractDynamicObject.getProperty(AbstractDynamicObject.java:61)
at com.android.build.gradle.internal.res.GenerateLibraryRFileTask_Decorated.getProperty(Unknown Source)
at com.crashlytics.tools.gradle.CrashlyticsPlugin.addPluginTasks(CrashlyticsPlugin.groovy:239)
at com.crashlytics.tools.gradle.CrashlyticsPlugin.this$2$addPluginTasks(CrashlyticsPlugin.groovy)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at com.crashlytics.tools.gradle.CrashlyticsPlugin$_addPluginTasksToLibraryVariantsIn_closure4.doCall(CrashlyticsPlugin.groovy:122)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at org.gradle.api.internal.ClosureBackedAction.execute(ClosureBackedAction.java:71)
at org.gradle.util.ConfigureUtil.configureTarget(ConfigureUtil.java:160)
at org.gradle.util.ConfigureUtil.configure(ConfigureUtil.java:106)
at org.gradle.util.ConfigureUtil$1.execute(ConfigureUtil.java:123)
at org.gradle.internal.ImmutableActionSet$SingletonSet.execute(ImmutableActionSet.java:155)
at org.gradle.internal.MutableActionSet.execute(MutableActionSet.java:35)
at org.gradle.api.internal.DefaultDomainObjectCollection.doAdd(DefaultDomainObjectCollection.java:204)
at org.gradle.api.internal.DefaultDomainObjectCollection.add(DefaultDomainObjectCollection.java:198)
at com.android.build.gradle.LibraryExtension.addVariant(LibraryExtension.java:90)
at com.android.build.gradle.FeatureExtension.addVariant(FeatureExtension.java:108)
at com.android.build.gradle.internal.ApiObjectFactory.create(ApiObjectFactory.java:132)
at com.android.build.gradle.BasePlugin.lambda$createAndroidTasks$6(BasePlugin.java:709)
at com.android.builder.profile.ThreadRecorder.record(ThreadRecorder.java:81)
at com.android.build.gradle.BasePlugin.createAndroidTasks(BasePlugin.java:695)
at com.android.build.gradle.BasePlugin.lambda$null$4(BasePlugin.java:613)
at com.android.builder.profile.ThreadRecorder.record(ThreadRecorder.java:81)
at com.android.build.gradle.BasePlugin.lambda$createTasks$5(BasePlugin.java:609)
at org.gradle.internal.event.BroadcastDispatch$ActionInvocationHandler.dispatch(BroadcastDispatch.java:91)
at org.gradle.internal.event.BroadcastDispatch$ActionInvocationHandler.dispatch(BroadcastDispatch.java:80)
at org.gradle.internal.event.AbstractBroadcastDispatch.dispatch(AbstractBroadcastDispatch.java:42)
at org.gradle.internal.event.BroadcastDispatch$SingletonDispatch.dispatch(BroadcastDispatch.java:230)
at org.gradle.internal.event.BroadcastDispatch$SingletonDispatch.dispatch(BroadcastDispatch.java:149)
at org.gradle.internal.event.AbstractBroadcastDispatch.dispatch(AbstractBroadcastDispatch.java:58)
at org.gradle.internal.event.BroadcastDispatch$CompositeDispatch.dispatch(BroadcastDispatch.java:324)
at org.gradle.internal.event.BroadcastDispatch$CompositeDispatch.dispatch(BroadcastDispatch.java:234)
at org.gradle.internal.event.ListenerBroadcast.dispatch(ListenerBroadcast.java:140)
at org.gradle.internal.event.ListenerBroadcast.dispatch(ListenerBroadcast.java:37)
at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93)
at com.sun.proxy.$Proxy26.afterEvaluate(Unknown Source)
at org.gradle.configuration.project.LifecycleProjectEvaluator.notifyAfterEvaluate(LifecycleProjectEvaluator.java:76)
... 81 more
Had a similar problem with Crashlytics integration and found that I needed to add
crashlytics { instantAppSupport true }
This was needed even though I am not using Instant Apps.
Found from this answer in SO
