Android 添加bottomAppBar后在渲染期间引发异常
“设计视图”未呈现对ui的新编辑，它会这样说Android 添加bottomAppBar后在渲染期间引发异常,android,material-design,Android,Material Design,“设计视图”未呈现对ui的新编辑，它会这样说呈现过程中引发异常：java.lang.ClassCastException，但是应用程序运行正常，UI中没有问题。 此问题仅在添加以下代码后发生： <androidx.coordinatorlayout.widget.CoordinatorLayout android:id="@+id/actionBar_view" android:layout_width="0dp" android:layou
呈现过程中引发异常：java.lang.ClassCastException<androidx.coordinatorlayout.widget.CoordinatorLayout
android:id="@+id/actionBar_view"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/topBar_view">
<!-- Other components and views -->
<com.google.android.material.bottomappbar.BottomAppBar
android:id="@+id/bottomAppBar"
android:layout_width="match_parent"
android:layout_height="45dp"
android:layout_gravity="bottom"
app:backgroundTint="@color/colorPrimaryDark"
app:buttonGravity="bottom"
app:fabAlignmentMode="end" />
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="@+id/setWallpaper"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/ic_photo_camera_24dp"
app:backgroundTint="@color/colorPrimary"
app:fabSize="mini"
app:layout_anchor="@id/bottomAppBar" />
</androidx.coordinatorlayout.widget.CoordinatorLayout>
java.lang.IllegalArgumentException: java.lang.ClassCastException@5ea77ada
at sun.reflect.GeneratedMethodAccessor308.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at android.animation.PropertyValuesHolder_Delegate.callMethod(PropertyValuesHolder_Delegate.java:108)
at android.animation.PropertyValuesHolder_Delegate.nCallFloatMethod(PropertyValuesHolder_Delegate.java:143)
at android.animation.PropertyValuesHolder.nCallFloatMethod(PropertyValuesHolder.java)
at android.animation.PropertyValuesHolder.access$400(PropertyValuesHolder.java:38)
at android.animation.PropertyValuesHolder$FloatPropertyValuesHolder.setAnimatedValue(PropertyValuesHolder.java:1387)
at android.animation.ObjectAnimator.animateValue(ObjectAnimator.java:990)
at android.animation.ValueAnimator.animateBasedOnTime(ValueAnimator.java:1339)
at android.animation.ValueAnimator.doAnimationFrame(ValueAnimator.java:1471)
at android.animation.ValueAnimator.pulseAnimationFrame(ValueAnimator.java:1490)
at android.animation.AnimatorSet.pulseFrame(AnimatorSet.java:1163)
at android.animation.AnimatorSet.handleAnimationEvents(AnimatorSet.java:1146)
at android.animation.AnimatorSet.doAnimationFrame(AnimatorSet.java:1046)
at android.animation.AnimationHandler.doAnimationFrame(AnimationHandler.java:146)
at android.animation.AnimationHandler.access$100(AnimationHandler.java:37)
at android.animation.AnimationHandler$1.doFrame(AnimationHandler.java:54)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:947)
at android.view.Choreographer.doCallbacks(Choreographer.java:761)
at android.view.Choreographer_Delegate.doFrame(Choreographer_Delegate.java:66)
at com.android.layoutlib.bridge.impl.RenderSessionImpl.renderAndBuildResult(RenderSessionImpl.java:563)
at com.android.layoutlib.bridge.impl.RenderSessionImpl.render(RenderSessionImpl.java:425)
at com.android.layoutlib.bridge.BridgeRenderSession.render(BridgeRenderSession.java:120)
at com.android.ide.common.rendering.api.RenderSession.render(RenderSession.java:151)
at com.android.ide.common.rendering.api.RenderSession.render(RenderSession.java:133)
at com.android.tools.idea.rendering.RenderTask.lambda$null$8(RenderTask.java:755)
at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
实现'com.google.android.material:material:1.1.0-alpha09'post完整的stacktraceI编辑了这篇文章