android编写尝试运行基本代码时出错

daolsyd0  于 2021-09-29  发布在  Java
关注(0)|答案(1)|浏览(400)

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。

a14dhokn

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。

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