我从android jetpack compose开始。当我创建一个空的撰写活动并运行它而不做任何更改时,我安装了金丝雀(hello android!)我有下一个错误:
Process: com.example.jetpacktest2, PID: 24788
java.lang.AbstractMethodError: abstract method "void androidx.lifecycle.DefaultLifecycleObserver.onCreate(androidx.lifecycle.LifecycleOwner)"
at androidx.lifecycle.FullLifecycleObserverAdapter.onStateChanged(FullLifecycleObserverAdapter.java:36)
at androidx.lifecycle.LifecycleRegistry$ObserverWithState.dispatchEvent(LifecycleRegistry.java:354)
at androidx.lifecycle.LifecycleRegistry.addObserver(LifecycleRegistry.java:196)
at androidx.compose.ui.platform.AndroidComposeView.onAttachedToWindow(AndroidComposeView.android.kt:808)
at android.view.View.dispatchAttachedToWindow(View.java:19855)
at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3597)
at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3604)
at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3604)
at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3604)
at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:3604)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2376)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1993)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:8459)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1256)
at android.view.Choreographer.doCallbacks(Choreographer.java:995)
at android.view.Choreographer.doFrame(Choreographer.java:887)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:1224)
at android.os.Handler.handleCallback(Handler.java:900)
at android.os.Handler.dispatchMessage(Handler.java:103)
at android.os.Looper.loop(Looper.java:219)
at android.app.ActivityThread.main(ActivityThread.java:8387)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:513)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1055)
我没有修改任何东西,这是android创建的基本代码。感谢您的帮助。
ps:我加载了其他在android studio上编写的代码(没有编写),并且运行时没有错误。
1条答案
按热度按时间a14dhokn1#
我也有同样的问题。这是安卓工作室金丝雀构建的问题。这是一种金丝雀体形的虫子。因此,它的修复非常简单。
执行以下步骤:
卸载金丝雀android studio。
下载最新的android studio候选发行版(2020.3.1 rc 1)
链接:https://developer.android.com/studio/preview
它现在可以像以前一样正常工作了。我用同样的方法解决了我的问题。它将100%有效。