如何解决Android Studio中的渲染问题(java.lang.NoClassDefFoundError:sun / misc / Cleaner ??

问题描述 投票:0回答:1

在activity_main.xml中,我看不到设计。它有这个问题:我在android studio中有这个问题。我该如何解决?

java.lang.NoClassDefFoundError: sun/misc/Cleaner
at     libcore.util.NativeAllocationRegistry_Delegate.registerNativeAllocation(NativeAllocationRegistry_Delegate    
.java:81)
at libcore.util.NativeAllocationRegistry.registerNativeAllocation(NativeAllocationRegistry.java:231)
at android.graphics.RenderNode.<init>(RenderNode.java:228)
at android.graphics.RenderNode.create(RenderNode.java:243)
at android.view.View.<init>(View.java:5063)
at android.view.View.<init>(View.java:5201)
at android.view.ViewGroup.<init>(ViewGroup.java:675)
at android.view.ViewGroup.<init>(ViewGroup.java:671)
at android.view.ViewGroup.<init>(ViewGroup.java:667)
at android.view.ViewGroup.<init>(ViewGroup.java:663)
at android.widget.FrameLayout.<init>(FrameLayout.java:85)
at com.android.layoutlib.bridge.impl.Layout.<init>(Layout.java:140)
at com.android.layoutlib.bridge.impl.RenderSessionImpl.inflate(RenderSessionImpl.java:293)
at com.android.layoutlib.bridge.Bridge.createSession(Bridge.java:396)
at com.android.tools.idea.layoutlib.LayoutLibrary.createSession(LayoutLibrary.java:209)
at com.android.tools.idea.rendering.RenderTask.createRenderSession(RenderTask.java:608)
at com.android.tools.idea.rendering.RenderTask.lambda$inflate$6(RenderTask.java:734)
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1764)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
at java.base/java.lang.Thread.run(Thread.java:832)
android
1个回答
0
投票

这不是答案。这是我的XML代码:

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">

<EditText
    android:id="@+id/editText"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:ems="10"
    android:inputType="textPersonName"
    app:layout_constraintLeft_toLeftOf="parent"
    app:layout_constraintRight_toRightOf="parent"
    app:layout_constraintTop_toTopOf="parent"
    android:layout_marginTop="120dp"
    android:autofillHints=""
    tools:ignore="LabelFor" />

<TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@string/my_name"
    app:layout_constraintBottom_toBottomOf="parent"
    android:id="@+id/tv"
    app:layout_constraintLeft_toLeftOf="parent"
    app:layout_constraintRight_toRightOf="parent"
    app:layout_constraintTop_toTopOf="parent"
    android:textColor="@color/colorAccent"
    android:textSize="15sp" />

<Button
    android:id="@+id/color_bt"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@string/change_color"
    android:layout_marginBottom="10dp"
    app:layout_constraintBottom_toBottomOf="parent"
    app:layout_constraintLeft_toLeftOf="parent"
    app:layout_constraintRight_toRightOf="parent" />

</androidx.constraintlayout.widget.ConstraintLayout>
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