このLogCatエラーは何を意味しますか？

Question

例をE3roidの例で実行しようとしています。私がそうする場合を除いて、私はページ上に力を閉じます。ここにlogcatエラーがあります。それを見て、それが何を意味し、何が問題なのかを教えてくれますか？

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 

Answer 1

AndroidManifestにAndroidActivityを追加しましたか？

Answer 2

あなたのマニフェストファイルにあなたの活動が正しく宣言されていない可能性があります。典型的に何が起こるかは、あなたが活動をすることですが、これらのやや奇妙なメッセージが現れるマニフェストにそれを含めることを忘れてしまいます。