title: AndroidX:Appcompat I:art error android.view.View$OnUnhandledKeyEventListener
body: <p>In a newly created project with Androidx:appcompat:appcompat:1.0.0-rc01, I'm getting the</p>
  
  <pre><code>java.lang.ClassNotFoundException: Didn't find class 
  "android.view.View$OnUnhandledKeyEventListener" on path: DexPathList
  </code></pre>
  
  <p>I had also added configuration.all</p>
  
  <pre><code>configurations.all {
      resolutionStrategy.eachDependency { DependencyResolveDetails details -&gt;
          def requested = details.requested
          if (requested.group == "androidx.appcompat") {
              if (!requested.name.startsWith("multidex")) {
                  details.useVersion "1.+"
              }
          }
      }
  }
  </code></pre>
  
  <p>This one is not affecting the app functionality or crashes. But it always have this error when the app is running. Kindly help me to solve the error.
  The entire stack trace is as follows.</p>
  
  <pre><code>I/art: Rejecting re-init on previously-failed class java.lang.Class&lt;androidx.core.view.ViewCompat$OnUnhandledKeyEventListenerWrapper&gt;: java.lang.NoClassDefFoundError: Failed resolution of: Landroid/view/View$OnUnhandledKeyEventListener;
  I/art:     at void androidx.core.view.ViewCompat.setBackground(android.view.View, android.graphics.drawable.Drawable) (ViewCompat.java:2341)
          at void androidx.appcompat.widget.ActionBarContainer.&lt;init&gt;(android.content.Context, android.util.AttributeSet) (ActionBarContainer.java:62)
          at java.lang.Object java.lang.reflect.Constructor.newInstance0!(java.lang.Object[]) (Constructor.java:-2)
          at java.lang.Object java.lang.reflect.Constructor.newInstance(java.lang.Object[]) (Constructor.java:430)
          at android.view.View android.view.LayoutInflater.createView(java.lang.String, java.lang.String, android.util.AttributeSet) (LayoutInflater.java:645)
          at android.view.View android.view.LayoutInflater.createViewFromTag(android.view.View, java.lang.String, android.content.Context, android.util.AttributeSet, boolean) (LayoutInflater.java:787)
          at android.view.View android.view.LayoutInflater.createViewFromTag(android.view.View, java.lang.String, android.content.Context, android.util.AttributeSet) (LayoutInflater.java:727)
          at void android.view.LayoutInflater.rInflate(org.xmlpull.v1.XmlPullParser, android.view.View, android.content.Context, android.util.AttributeSet, boolean) (LayoutInflater.java:858)
          at void android.view.LayoutInflater.rInflateChildren(org.xmlpull.v1.XmlPullParser, android.view.View, android.util.AttributeSet, boolean) (LayoutInflater.java:821)
          at android.view.View android.view.LayoutInflater.inflate(org.xmlpull.v1.XmlPullParser, android.view.ViewGroup, boolean) (LayoutInflater.java:518)
          at android.view.View android.view.LayoutInflater.inflate(int, android.view.ViewGroup, boolean) (LayoutInflater.java:426)
          at android.view.View android.view.LayoutInflater.inflate(int, android.view.ViewGroup) (LayoutInflater.java:377)
          at android.view.ViewGroup androidx.appcompat.app.AppCompatDelegateImpl.createSubDecor() (AppCompatDelegateImpl.java:607)
          at void androidx.appcompat.app.AppCompatDelegateImpl.ensureSubDecor() (AppCompatDelegateImpl.java:518)
          at void androidx.appcompat.app.AppCompatDelegateImpl.setContentView(int) (AppCompatDelegateImpl.java:466)
          at void androidx.appcompat.app.AppCompatActivity.setContentView(int) (AppCompatActivity.java:140)
          at void com.connectdb.truckish.common.base.BaseActivity.onCreate(android.os.Bundle) (BaseActivity.java:44)
          at void com.connectdb.truckish.MainActivity.onCreate(android.os.Bundle) (MainActivity.java:14)
          at void android.app.Activity.performCreate(android.os.Bundle) (Activity.java:6672)
          at void android.app.Instrumentation.callActivityOnCreate(android.app.Activity, android.os.Bundle) (Instrumentation.java:1140)
          at android.app.Activity android.app.ActivityThread.performLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent) (ActivityThread.java:2612)
          at void android.app.ActivityThread.handleLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:2724)
          at void android.app.ActivityThread.-wrap12(android.app.ActivityThread, android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:-1)
          at void android.app.ActivityThread$H.handleMessage(android.os.Message) (ActivityThread.java:1473)
          at void android.os.Handler.dispatchMessage(android.os.Message) (Handler.java:102)
          at void android.os.Looper.loop() (Looper.java:154)
          at void android.app.ActivityThread.main(java.lang.String[]) (ActivityThread.java:6123)
          at java.lang.Object java.lang.reflect.Method.invoke!(java.lang.Object, java.lang.Object[]) (Method.java:-2)
          at void com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run() (ZygoteInit.java:867)
          at void com.android.internal.os.ZygoteInit.main(java.lang.String[]) (ZygoteInit.java:757)
      Caused by: java.lang.ClassNotFoundException: Didn't find class "android.view.View$OnUnhandledKeyEventListener" on path: DexPathList[[zip file "/data/app/com.connectdb.truckish-2/base.apk", zip file "/data/app/com.connectdb.truckish-2/split_lib_dependencies_apk.apk", zip file "/data/app/com.connectdb.truckish-2/split_lib_slice_0_apk.apk", zip file "/data/app/com.connectdb.truckish-2/split_lib_slice_1_apk.apk", zip file "/data/app/com.connectdb.truckish-2/split_lib_slice_2_apk.apk", zip file "/data/app/com.connectdb.truckish-2/split_lib_slice_3_apk.apk", zip file "/data/app/com.connectdb.truckish-2/split_lib_slice_4_apk.apk", zip file "/data/app/com.connectdb.truckish-2/split_lib_slice_5_apk.apk", zip file "/data/app/com.connectdb.truckish-2/split_lib_slice_6_apk.apk", zip file "/data/app/com.connectdb.truckish-2/split_lib_slice_7_apk.apk", zip file "/data/app/com.connectdb.truckish-2/split_lib_slice_8_apk.apk", zip file "/data/app/com.connectdb.truckish-2/split_lib_slice_9_apk.apk"],nativeLibraryDirectories=[
          at java.lang.Class dalvik.system.BaseDexClassLoader.findClass(java.lang.String) (BaseDexClassLoader.java:56)
          at java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String, boolean) (ClassLoader.java:380)
          at java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String) (ClassLoader.java:312)
          at void androidx.core.view.ViewCompat.setBackground(android.view.View, android.graphics.drawable.Drawable) (ViewCompat.java:2341)
          at void androidx.appcompat.widget.ActionBarContainer.&lt;init&gt;(android.content.Context, android.util.AttributeSet) (ActionBarContainer.java:62)
          at java.lang.Object java.lang.reflect.Constructor.newInstance0!(java.lang.Object[]) (Constructor.java:-2)
          at java.lang.Object java.lang.reflect.Constructor.newInstance(java.lang.Object[]) (Constructor.java:430)
          at android.view.View android.view.LayoutInflater.createView(java.lang.String, java.lang.String, android.util.AttributeSet) (LayoutInflater.java:645)
          at android.view.View android.view.LayoutInflater.createViewFromTag(android.view.View, java.lang.String, android.content.Context, android.util.AttributeSet, boolean) (LayoutInflater.java:787)
          at android.view.View android.view.LayoutInflater.createViewFromTag(android.view.View, java.lang.String, android.content.Context, android.util.AttributeSet) (LayoutInflater.java:727)
          at void android.view.LayoutInflater.rInflate(org.xmlpull.v1.XmlPullParser, android.view.View, android.content.Context, android.util.AttributeSet, boolean) (LayoutInflater.java:858)
          at void android.view.LayoutInflater.rInflateChildren(org.xmlpull.v1.XmlPullParser, android.view.View, android.util.AttributeSet, boolean) (LayoutInflater.java:821)
          at android.view.View android.view.LayoutInflater.inflate(org.xmlpull.v1.XmlPullParser, android.view.ViewGroup, boolean) (LayoutInflater.java:518)
          at android.view.View android.view.LayoutInflater.inflate(int, android.view.ViewGroup, boolean) (LayoutInflater.java:426)
          at android.view.View android.view.LayoutInflater.inflate(int, android.view.ViewGroup) (LayoutInflater.java:377)
          at android.view.ViewGroup androidx.appcompat.app.AppCompatDelegateImpl.createSubDecor() (AppCompatDelegateImpl.java:607)
          at void androidx.appcompat.app.AppCompatDelegateImpl.ensureSubDecor() (AppCompatDelegateImpl.java:518)
          at void androidx.appcompat.app.AppCompatDelegateImpl.setContentView(int) (AppCompatDelegateImpl.java:466)
          at void androidx.appcompat.app.AppCompatActivity.setContentView(int) (AppCompatActivity.java:140)
          at void com.connectdb.truckish.common.base.BaseActivity.onCreate(android.os.Bundle) (BaseActivity.java:44)
          at void com.connectdb.truckish.MainActivity.onCreate(android.os.Bundle) (MainActivity.java:14)
          at void android.app.Activity.performCreate(android.os.Bundle) (Activity.java:6672)
          at void android.app.Instrumentation.callActivityOnCreate(android.app.Activity, android.os.Bundle) (Instrumentation.java:1140)
          at android.app.Activity android.app.ActivityThread.performLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent) (ActivityThread.java:2612)
          at void android.app.ActivityThread.handleLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:2724)
          at void android.app.ActivityThread.-wrap12(android.app.ActivityThread, android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:-1)
          at void android.app.ActivityThread$H.handleMessage(android.os.Message) (ActivityThread.java:1473)
          at void android.os.Handler.dispatchMessage(android.os.Message) (Handler.java:102)
          at void android.os.Looper.loop() (Looper.java:154)
          at void android.app.ActivityThread.main(java.lang.String[]) (ActivityThread.java:6123)
          at java.lang.Object java.lang.reflect.Method.invoke!(java.lang.Object, java.lang.Object[]) (Method.java:-2)
          at void com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run() (ZygoteInit.java:867)
          at void com.android.internal.os.ZygoteInit.main(java.lang.String[]) (ZygoteInit.java:757)
  </code></pre>