ClassNotFoundException

[waynesonic]

03-16 11:52:49.852: E/AndroidRuntime(6653): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{androidx.plmgrdemo/androidx.pluginmgr.PluginActivity}: java.lang.ClassNotFoundException: androidx.pluginmgr.PluginActivity 03-16 11:52:49.852: E/AndroidRuntime(6653): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2151) 03-16 11:52:49.852: E/AndroidRuntime(6653): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2279) 03-16 11:52:49.852: E/AndroidRuntime(6653): at android.app.ActivityThread.access$800(ActivityThread.java:142) 03-16 11:52:49.852: E/AndroidRuntime(6653): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1213) 03-16 11:52:49.852: E/AndroidRuntime(6653): at android.os.Handler.dispatchMessage(Handler.java:102) 03-16 11:52:49.852: E/AndroidRuntime(6653): at android.os.Looper.loop(Looper.java:136) 03-16 11:52:49.852: E/AndroidRuntime(6653): at android.app.ActivityThread.main(ActivityThread.java:5241) 03-16 11:52:49.852: E/AndroidRuntime(6653): at java.lang.reflect.Method.invokeNative(Native Method) 03-16 11:52:49.852: E/AndroidRuntime(6653): at java.lang.reflect.Method.invoke(Method.java:515) 03-16 11:52:49.852: E/AndroidRuntime(6653): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:818) 03-16 11:52:49.852: E/AndroidRuntime(6653): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:634) 03-16 11:52:49.852: E/AndroidRuntime(6653): at dalvik.system.NativeStart.main(Native Method) 03-16 11:52:49.852: E/AndroidRuntime(6653): Caused by: java.lang.ClassNotFoundException: androidx.pluginmgr.PluginActivity 03-16 11:52:49.852: E/AndroidRuntime(6653): at java.lang.ClassLoader.findClass(ClassLoader.java:332) 03-16 11:52:49.852: E/AndroidRuntime(6653): at java.lang.ClassLoader.loadClass(ClassLoader.java:497) 03-16 11:52:49.852: E/AndroidRuntime(6653): at androidx.pluginmgr.FrameworkClassLoader.loadClass(FrameworkClassLoader.java:65) 03-16 11:52:49.852: E/AndroidRuntime(6653): at java.lang.ClassLoader.loadClass(ClassLoader.java:457) 03-16 11:52:49.852: E/AndroidRuntime(6653): at android.app.Instrumentation.newActivity(Instrumentation.java:1062) 03-16 11:52:49.852: E/AndroidRuntime(6653): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2142) 03-16 11:52:49.852: E/AndroidRuntime(6653): ... 11 more