Can't generate screenshots: update task fails in coroutine dispatcher setup [373068421]

Fixed

Bug

Status Update

No update yet.

Description

tn...@google.com

created issue #1

Oct 12, 2024 06:41PM

I'm having difficulty getting screenshot testing to work.

When I run the updateDebugScreenshotTest target, the build fails with a message from Kotlin coroutines:

Exception in thread "Layoutlib Render Thread" java.lang.IllegalStateException: Module with the Main dispatcher is missing. Add dependency providing the Main dispatcher, e.g. 'kotlinx-coroutines-android' and ensure it has the same version as 'kotlinx-coroutines-core'

I've tried various things to make this work. But ultimately, I don't think I should have to do anything special to make this work: the app runs fine on a device, and screenshot previews do work fine inside the IDE. So there must be something wrong with the way we're transferring the dependency graph used by the IDE to the screenshot task, or something like that.

I've made my sample project available here: https://drive.google.com/file/d/1YIDqlLa1R1HWzzZ43pPGyCLM1bXfliTK/view?usp=sharing . The project doesn't make a lot of sense -- I've stripped it down from a real project -- but it reproduces this exact problem; you can open it up in Studio and see the preview, and you can build the project, but the update screenshot task fails with the full exception:

./gradlew  updateDebugScreenshotTest
Configuration on demand is an incubating feature.

> Configure project :

> Configure project :app
WARNING: The option setting 'android.experimental.enableScreenshotTest=true' is experimental.
The current default is 'false'.
WARNING: A terminally deprecated method in java.lang.System has been called
WARNING: System::setSecurityManager has been called by com.android.tools.rendering.security.RenderSecurityManager (file:/Users/tnorbye/.gradle/caches/modules-2/files-2.1/com.android.tools.compose/compose-preview-renderer/0.0.1-alpha07/dc658a9f98c48cd96d468e312d6e18923914c8b2/compose-preview-renderer-0.0.1-alpha07.jar)
WARNING: Please consider reporting this to the maintainers of com.android.tools.rendering.security.RenderSecurityManager
WARNING: System::setSecurityManager will be removed in a future release
Exception in thread "Layoutlib Render Thread" java.lang.IllegalStateException: Module with the Main dispatcher is missing. Add dependency providing the Main dispatcher, e.g. 'kotlinx-coroutines-android' and ensure it has the same version as 'kotlinx-coroutines-core'
        at kotlinx.coroutines.internal.MainDispatchersKt.throwMissingMainDispatcherException(MainDispatchers.kt:77)
        at kotlinx.coroutines.internal.MissingMainCoroutineDispatcher.missing(MainDispatchers.kt:108)
        at kotlinx.coroutines.internal.MissingMainCoroutineDispatcher.isDispatchNeeded(MainDispatchers.kt:92)
        at kotlinx.coroutines.internal.DispatchedContinuationKt.resumeCancellableWith(DispatchedContinuation.kt:315)
        at kotlinx.coroutines.intrinsics.CancellableKt.startCoroutineCancellable(Cancellable.kt:26)
        at kotlinx.coroutines.intrinsics.CancellableKt.startCoroutineCancellable$default(Cancellable.kt:21)
        at kotlinx.coroutines.CoroutineStart.invoke(CoroutineStart.kt:88)
        at kotlinx.coroutines.AbstractCoroutine.start(AbstractCoroutine.kt:123)
        at kotlinx.coroutines.BuildersKt__Builders_commonKt.launch(Builders.common.kt:52)
        at kotlinx.coroutines.BuildersKt.launch(Unknown Source)
        at kotlinx.coroutines.BuildersKt__Builders_commonKt.launch$default(Builders.common.kt:43)
        at kotlinx.coroutines.BuildersKt.launch$default(Unknown Source)
        at me.saket.telephoto.zoomable.internal.RememberWorker.onRemembered(RememberWorker.kt:17)
        at androidx.compose.runtime.CompositionImpl$RememberEventDispatcher.dispatchRememberObservers(Composition.kt:1364)
        at androidx.compose.runtime.CompositionImpl.applyChangesInLocked(Composition.kt:992)
        at androidx.compose.runtime.CompositionImpl.applyChanges(Composition.kt:1013)
        at androidx.compose.runtime.Recomposer.composeInitial$runtime_release(Recomposer.kt:1150)
        at androidx.compose.runtime.CompositionImpl.composeInitial(Composition.kt:649)
        at androidx.compose.runtime.CompositionImpl.setContent(Composition.kt:635)
        at androidx.compose.ui.platform.WrappedComposition$setContent$1.invoke(Wrapper.android.kt:133)
        at androidx.compose.ui.platform.WrappedComposition$setContent$1.invoke(Wrapper.android.kt:124)
        at androidx.compose.ui.platform.AndroidComposeView.setOnViewTreeOwnersAvailable(AndroidComposeView.android.kt:1626)
        at androidx.compose.ui.platform.WrappedComposition.setContent(Wrapper.android.kt:124)
        at androidx.compose.ui.platform.WrappedComposition.onStateChanged(Wrapper.android.kt:180)
        at androidx.lifecycle.LifecycleRegistry$ObserverWithState.dispatchEvent(LifecycleRegistry.jvm.kt:320)
        at androidx.lifecycle.LifecycleRegistry.addObserver(LifecycleRegistry.jvm.kt:198)
        at androidx.compose.ui.platform.WrappedComposition$setContent$1.invoke(Wrapper.android.kt:131)
        at androidx.compose.ui.platform.WrappedComposition$setContent$1.invoke(Wrapper.android.kt:124)
        at androidx.compose.ui.platform.AndroidComposeView.onAttachedToWindow(AndroidComposeView.android.kt:1707)
        at android.view.View.dispatchAttachedToWindow(View.java:21980)
        at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3490)
        at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3497)
        at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3497)
        at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3497)
        at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3497)
        at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3497)
        at android.view.AttachInfo_Accessor.setAttachInfo(AttachInfo_Accessor.java:51)
        at com.android.layoutlib.bridge.impl.RenderSessionImpl.inflate(RenderSessionImpl.java:372)
        at com.android.layoutlib.bridge.Bridge.createSession(Bridge.java:454)
        at com.android.tools.idea.layoutlib.LayoutLibrary.createSession(LayoutLibrary.java:120)
        at com.android.tools.rendering.RenderTask.createRenderSession(RenderTask.java:784)
        at com.android.tools.rendering.RenderTask.lambda$inflate$6(RenderTask.java:932)
        at com.android.tools.rendering.RenderExecutor$runAsyncActionWithTimeout$3.run(RenderExecutor.kt:204)
        at com.android.tools.rendering.RenderExecutor$PriorityRunnable.run(RenderExecutor.kt:321)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base/java.lang.Thread.run(Thread.java:840)
        Suppressed: kotlinx.coroutines.internal.DiagnosticCoroutineContextException: [StandaloneCoroutine{Cancelling}@109f0a8c, Dispatchers.Main[missing]]
java.lang.IllegalStateException: Module with the Main dispatcher is missing. Add dependency providing the Main dispatcher, e.g. 'kotlinx-coroutines-android' and ensure it has the same version as 'kotlinx-coroutines-core'
        at kotlinx.coroutines.internal.MainDispatchersKt.throwMissingMainDispatcherException(MainDispatchers.kt:77)
        at kotlinx.coroutines.internal.MissingMainCoroutineDispatcher.missing(MainDispatchers.kt:108)
        at kotlinx.coroutines.internal.MissingMainCoroutineDispatcher.isDispatchNeeded(MainDispatchers.kt:92)
        at kotlinx.coroutines.internal.DispatchedContinuationKt.resumeCancellableWith(DispatchedContinuation.kt:315)
        at kotlinx.coroutines.intrinsics.CancellableKt.startCoroutineCancellable(Cancellable.kt:26)
        at kotlinx.coroutines.intrinsics.CancellableKt.startCoroutineCancellable$default(Cancellable.kt:21)
        at kotlinx.coroutines.CoroutineStart.invoke(CoroutineStart.kt:88)
        at kotlinx.coroutines.AbstractCoroutine.start(AbstractCoroutine.kt:123)
        at kotlinx.coroutines.BuildersKt__Builders_commonKt.launch(Builders.common.kt:52)
        at kotlinx.coroutines.BuildersKt.launch(Unknown Source)
        at kotlinx.coroutines.BuildersKt__Builders_commonKt.launch$default(Builders.common.kt:43)
        at kotlinx.coroutines.BuildersKt.launch$default(Unknown Source)
        at me.saket.telephoto.zoomable.internal.RememberWorker.onRemembered(RememberWorker.kt:17)
        at androidx.compose.runtime.CompositionImpl$RememberEventDispatcher.dispatchRememberObservers(Composition.kt:1364)
        at androidx.compose.runtime.CompositionImpl.applyChangesInLocked(Composition.kt:992)
        at androidx.compose.runtime.CompositionImpl.applyChanges(Composition.kt:1013)
        at androidx.compose.runtime.Recomposer.composeInitial$runtime_release(Recomposer.kt:1150)
        at androidx.compose.runtime.CompositionImpl.composeInitial(Composition.kt:649)
        at androidx.compose.runtime.CompositionImpl.setContent(Composition.kt:635)
        at androidx.compose.ui.platform.WrappedComposition$setContent$1.invoke(Wrapper.android.kt:133)
        at androidx.compose.ui.platform.WrappedComposition$setContent$1.invoke(Wrapper.android.kt:124)
        at androidx.compose.ui.platform.AndroidComposeView.setOnViewTreeOwnersAvailable(AndroidComposeView.android.kt:1626)
        at androidx.compose.ui.platform.WrappedComposition.setContent(Wrapper.android.kt:124)
        at androidx.compose.ui.platform.WrappedComposition.onStateChanged(Wrapper.android.kt:180)
        at androidx.lifecycle.LifecycleRegistry$ObserverWithState.dispatchEvent(LifecycleRegistry.jvm.kt:320)
        at androidx.lifecycle.LifecycleRegistry.addObserver(LifecycleRegistry.jvm.kt:198)
        at androidx.compose.ui.platform.WrappedComposition$setContent$1.invoke(Wrapper.android.kt:131)
        at androidx.compose.ui.platform.WrappedComposition$setContent$1.invoke(Wrapper.android.kt:124)
        at androidx.compose.ui.platform.AndroidComposeView.onAttachedToWindow(AndroidComposeView.android.kt:1707)
        at android.view.View.dispatchAttachedToWindow(View.java:21980)
        at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3490)
        at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3497)
        at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3497)
        at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3497)
        at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3497)
        at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3497)
        at android.view.AttachInfo_Accessor.setAttachInfo(AttachInfo_Accessor.java:51)
        at com.android.layoutlib.bridge.impl.RenderSessionImpl.inflate(RenderSessionImpl.java:372)
        at com.android.layoutlib.bridge.Bridge.createSession(Bridge.java:454)
        at com.android.tools.idea.layoutlib.LayoutLibrary.createSession(LayoutLibrary.java:120)
        at com.android.tools.rendering.RenderTask.createRenderSession(RenderTask.java:784)
        at com.android.tools.rendering.RenderTask.lambda$inflate$6(RenderTask.java:932)
        at com.android.tools.rendering.RenderExecutor$runAsyncActionWithTimeout$3.run(RenderExecutor.kt:204)
        at com.android.tools.rendering.RenderExecutor$PriorityRunnable.run(RenderExecutor.kt:321)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
        at java.base/java.lang.Thread.run(Thread.java:840)
        Suppressed: kotlinx.coroutines.internal.DiagnosticCoroutineContextException: [StandaloneCoroutine{Cancelled}@109f0a8c, Dispatchers.Main[missing]]

> Task :app:debugPreviewScreenshotRender FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:debugPreviewScreenshotRender'.
> A failure occurred while executing com.android.compose.screenshot.tasks.PreviewRenderWorkAction
   > Rendering failed. For more details, check /Users/tnorbye/AndroidStudioProjects/ur/app/build/outputs/screenshotTest-results/preview/debug/results.json

* Try:
> Run with --stacktrace option to get the stack trace.
> Run with --info or --debug option to get more log output.
> Run with --scan to get full insights.
> Get more help at https://help.gradle.org.

BUILD FAILED in 2s
26 actionable tasks: 8 executed, 18 up-to-date

Screenshot 2024-10-12 at 11.31.02.png

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Comments

di...@google.com <di...@google.com> Oct 16, 2024 04:49PM

Assigned to di...@google.com.

da...@raileasy.co.uk <da...@raileasy.co.uk> #2Nov 4, 2024 12:45PM

Information redacted by Android Beta Feedback.

di...@google.com <di...@google.com> Jan 10, 2025 11:56PM

Reassigned to jg...@google.com.

jg...@google.com <jg...@google.com> Feb 4, 2025 07:15PM

Marked as fixed.

an...@google.com <an...@google.com> #3Feb 7, 2025 03:30AM

I'm sure you're working on this and making sure this doesn't permate into the public build but I unfortunately had to opt-out of beta builds and wipe my phone back to public 15.

Now on build Number AP4A.241205.013.B1

Can confirm I can now screen mirror again through android studio or any dev screen share.

tn...@google.com <tn...@google.com> #4Feb 7, 2025 06:06PM

Thank you for your patience while our engineering team worked to resolve this issue. A fix for this issue is now available in:

Android Studio Meerkat Feature Drop | 2024.3.2 Canary 1
Android Gradle Plugin 8.10.0-alpha01

We encourage you to try the latest update.

If you notice further issues or have questions, please file a new bug report.

Thank you for taking the time to submit feedback — we really appreciate it!

di...@google.com <di...@google.com> #5Feb 7, 2025 07:27PM

It will be available in the next version of the plugin. It will be released manually once the required maven libraries (with the latest changes) are published. We do not want to release this automatically just yet. The end goal is to make it part of AGP and Studio