这个LogCat错误是什么意思?

我试图在E3roid示例中运行一个示例。 除非我这样做,否则我会在页面上关闭一个力量。 这是logcat错误。 通过观察它,你能告诉我它意味着什么,问题是什么?

02-28 20:31:51.429: D/AndroidRuntime(1779): Shutting down VM 02-28 20:31:51.429: W/dalvikvm(1779): threadid=1: thread exiting with uncaught exception (group=0x40015578) 02-28 20:31:51.429: E/AndroidRuntime(1779): FATAL EXCEPTION: main 02-28 20:31:51.429: E/AndroidRuntime(1779): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{and.roid/and.roid.AndroidActivity}: java.lang.ClassNotFoundException: and.roid.AndroidActivity in loader dalvik.system.PathClassLoader[/data/app/and.roid-1.apk] 02-28 20:31:51.429: E/AndroidRuntime(1779): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1573) 02-28 20:31:51.429: E/AndroidRuntime(1779): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1667) 02-28 20:31:51.429: E/AndroidRuntime(1779): at android.app.ActivityThread.access$1500(ActivityThread.java:117) 02-28 20:31:51.429: E/AndroidRuntime(1779): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935) 02-28 20:31:51.429: E/AndroidRuntime(1779): at android.os.Handler.dispatchMessage(Handler.java:99) 02-28 20:31:51.429: E/AndroidRuntime(1779): at android.os.Looper.loop(Looper.java:130) 02-28 20:31:51.429: E/AndroidRuntime(1779): at android.app.ActivityThread.main(ActivityThread.java:3687) 02-28 20:31:51.429: E/AndroidRuntime(1779): at java.lang.reflect.Method.invokeNative(Native Method) 02-28 20:31:51.429: E/AndroidRuntime(1779): at java.lang.reflect.Method.invoke(Method.java:507) 02-28 20:31:51.429: E/AndroidRuntime(1779): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:842) 02-28 20:31:51.429: E/AndroidRuntime(1779): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600) 02-28 20:31:51.429: E/AndroidRuntime(1779): at dalvik.system.NativeStart.main(Native Method) 02-28 20:31:51.429: E/AndroidRuntime(1779): Caused by: java.lang.ClassNotFoundException: and.roid.AndroidActivity in loader dalvik.system.PathClassLoader[/data/app/and.roid-1.apk] 02-28 20:31:51.429: E/AndroidRuntime(1779): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240) 02-28 20:31:51.429: E/AndroidRuntime(1779): at java.lang.ClassLoader.loadClass(ClassLoader.java:551) 02-28 20:31:51.429: E/AndroidRuntime(1779): at java.lang.ClassLoader.loadClass(ClassLoader.java:511) 02-28 20:31:51.429: E/AndroidRuntime(1779): at android.app.Instrumentation.newActivity(Instrumentation.java:1021) 02-28 20:31:51.429: E/AndroidRuntime(1779): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1565) 02-28 20:31:51.429: E/AndroidRuntime(1779): ... 11 more 02-28 20:31:57.820: I/Process(1779): Sending signal. PID: 1779 SIG: 9 02-28 20:34:48.691: D/AndroidRuntime(2072): Shutting down VM 02-28 20:34:48.691: W/dalvikvm(2072): threadid=1: thread exiting with uncaught exception (group=0x40015578) 02-28 20:34:48.691: E/AndroidRuntime(2072): FATAL EXCEPTION: main 02-28 20:34:48.691: E/AndroidRuntime(2072): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{and.roid/and.roid.AndroidActivity}: java.lang.ClassNotFoundException: and.roid.AndroidActivity in loader dalvik.system.PathClassLoader[/data/app/and.roid-1.apk] 02-28 20:34:48.691: E/AndroidRuntime(2072): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1573) 02-28 20:34:48.691: E/AndroidRuntime(2072): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1667) 02-28 20:34:48.691: E/AndroidRuntime(2072): at android.app.ActivityThread.access$1500(ActivityThread.java:117) 02-28 20:34:48.691: E/AndroidRuntime(2072): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935) 02-28 20:34:48.691: E/AndroidRuntime(2072): at android.os.Handler.dispatchMessage(Handler.java:99) 02-28 20:34:48.691: E/AndroidRuntime(2072): at android.os.Looper.loop(Looper.java:130) 02-28 20:34:48.691: E/AndroidRuntime(2072): at android.app.ActivityThread.main(ActivityThread.java:3687) 02-28 20:34:48.691: E/AndroidRuntime(2072): at java.lang.reflect.Method.invokeNative(Native Method) 02-28 20:34:48.691: E/AndroidRuntime(2072): at java.lang.reflect.Method.invoke(Method.java:507) 02-28 20:34:48.691: E/AndroidRuntime(2072): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:842) 02-28 20:34:48.691: E/AndroidRuntime(2072): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600) 02-28 20:34:48.691: E/AndroidRuntime(2072): at dalvik.system.NativeStart.main(Native Method) 02-28 20:34:48.691: E/AndroidRuntime(2072): Caused by: java.lang.ClassNotFoundException: and.roid.AndroidActivity in loader dalvik.system.PathClassLoader[/data/app/and.roid-1.apk] 02-28 20:34:48.691: E/AndroidRuntime(2072): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240) 02-28 20:34:48.691: E/AndroidRuntime(2072): at java.lang.ClassLoader.loadClass(ClassLoader.java:551) 02-28 20:34:48.691: E/AndroidRuntime(2072): at java.lang.ClassLoader.loadClass(ClassLoader.java:511) 02-28 20:34:48.691: E/AndroidRuntime(2072): at android.app.Instrumentation.newActivity(Instrumentation.java:1021) 02-28 20:34:48.691: E/AndroidRuntime(2072): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1565) 02-28 20:34:48.691: E/AndroidRuntime(2072): ... 11 more 02-28 20:34:56.511: I/Process(2072): Sending signal. PID: 2072 SIG: 9 

您是否已将AndroidActivity添加到AndroidManifest?

这可能意味着您没有在清单文件中正确声明您的活动。 通常情况下,您将进行活动,但忘记将其包含在清单中,即出现这些稍微奇怪的消息时。