Can you tell me how to resolve this ClassCastExeption?
*java.lang.ClassCastException: com.intellij.psi.impl.source.PsiPlainTextFileImpl cannot be cast to com.intellij.psi.xml.XmlFile at com.android.tools.idea.common.model.NlModel.getFile(NlModel.java:230) at com.android.tools.idea.uibuilder.scene.LayoutlibSceneManager$ModelChangeListener.modelActivated(LayoutlibSceneManager.java:454) at com.android.tools.idea.common.model.NlModel.lambda$activate$0(NlModel.java:184) at java.lang.Iterable.forEach(Iterable.java:75) at com.android.tools.idea.util.ListenerCollection$forEach$1.run(ListenerCollection.kt:80) at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:398) at com.android.tools.idea.util.ListenerCollection.forEach(ListenerCollection.kt:79) at com.android.tools.idea.common.model.NlModel.activate(NlModel.java:184) at com.android.tools.idea.common.surface.DesignSurface.activate(DesignSurface.java:925) at com.android.tools.idea.common.editor.DesignerEditorPanel.activate(DesignerEditorPanel.java:190) at com.android.tools.idea.common.editor.DesignerEditor.selectNotify(DesignerEditor.java:87) at com.intellij.openapi.fileEditor.impl.EditorTabbedContainer$2.selectionChanged(EditorTabbedContainer.java:151) at com.intellij.ui.tabs.impl.JBTabsImpl.fireSelectionChanged(JBTabsImpl.java:947) at com.intellij.ui.tabs.impl.JBTabsImpl.executeSelectionChange(JBTabsImpl.java:903) at com.intellij.ui.tabs.impl.JBTabsImpl.access$1900(JBTabsImpl.java:52) at com.intellij.ui.tabs.impl.JBTabsImpl$9.run(JBTabsImpl.java:862) at com.intellij.openapi.fileEditor.impl.EditorTabbedContainer.lambda$null$2(EditorTabbedContainer.java:163) at com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:220) at com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:178) at com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:168) at com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:154) at com.intellij.openapi.fileEditor.impl.EditorTabbedContainer.lambda$new$3(EditorTabbedContainer.java:161) at com.intellij.ui.tabs.impl.JBTabsImpl._setSelected(JBTabsImpl.java:858) at com.intellij.ui.tabs.impl.JBTabsImpl.select(JBTabsImpl.java:849) at com.intellij.ui.tabs.impl.TabLabel$1.mousePressed(TabLabel.java:96) at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:279) at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:279) at java.awt.Component.processMouseEvent(Component.java:6547) at javax.swing.JComponent.processMouseEvent(JComponent.java:3325) at java.awt.Component.processEvent(Component.java:6315) at java.awt.Container.processEvent(Container.java:2239) at java.awt.Component.dispatchEventImpl(Component.java:4899) at java.awt.Container.dispatchEventImpl(Container.java:2297) at java.awt.Component.dispatchEvent(Component.java:4721) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4904) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4532) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4476) at java.awt.Container.dispatchEventImpl(Container.java:2283) at java.awt.Window.dispatchEventImpl(Window.java:2746) at java.awt.Component.dispatchEvent(Component.java:4721) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:766) at java.awt.EventQueue.access$500(EventQueue.java:98) at java.awt.EventQueue$3.run(EventQueue.java:715) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:84) at java.awt.EventQueue$4.run(EventQueue.java:739) at java.awt.EventQueue$4.run(EventQueue.java:737) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74) at java.awt.EventQueue.dispatchEvent(EventQueue.java:736) at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:757) at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:702) at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:375) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
>MainActivity.java:
package com.example.findyourgift;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
}*
activity_main.xml:
<?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">
<TextView
android:layout_width="279dp"
android:layout_height="101dp"
android:fontFamily="monospace"
android:gravity="center"
android:text="@string/textStart"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.242" />
</androidx.constraint
