android 启动应用程序时出现奇怪的错误

Question

我在启动应用程序时收到此错误，并且我已检查清单文件和活动是否存在。 Rathbones 是主要活动。

10-19 13:27:14.796: ERROR/AndroidRuntime(441): FATAL EXCEPTION: main
10-19 13:27:14.796: ERROR/AndroidRuntime(441): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.rathbones.src/com.rathbones.src.RathbonesActivity}: java.lang.InstantiationException: com.rathbones.src.RathbonesActivity
10-19 13:27:14.796: ERROR/AndroidRuntime(441):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1739)
10-19 13:27:14.796: ERROR/AndroidRuntime(441):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1831)
10-19 13:27:14.796: ERROR/AndroidRuntime(441):     at android.app.ActivityThread.access$500(ActivityThread.java:122)
10-19 13:27:14.796: ERROR/AndroidRuntime(441):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1024)
10-19 13:27:14.796: ERROR/AndroidRuntime(441):     at android.os.Handler.dispatchMessage(Handler.java:99)
10-19 13:27:14.796: ERROR/AndroidRuntime(441):     at android.os.Looper.loop(Looper.java:132)
10-19 13:27:14.796: ERROR/AndroidRuntime(441):     at android.app.ActivityThread.main(ActivityThread.java:4123)
10-19 13:27:14.796: ERROR/AndroidRuntime(441):     at java.lang.reflect.Method.invokeNative(Native Method)
10-19 13:27:14.796: ERROR/AndroidRuntime(441):     at java.lang.reflect.Method.invoke(Method.java:491)
10-19 13:27:14.796: ERROR/AndroidRuntime(441):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841)
10-19 13:27:14.796: ERROR/AndroidRuntime(441):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:599)
10-19 13:27:14.796: ERROR/AndroidRuntime(441):     at dalvik.system.NativeStart.main(Native Method)
10-19 13:27:14.796: ERROR/AndroidRuntime(441): Caused by: java.lang.InstantiationException: com.rathbones.src.RathbonesActivity
10-19 13:27:14.796: ERROR/AndroidRuntime(441):     at java.lang.Class.newInstanceImpl(Native Method)
10-19 13:27:14.796: ERROR/AndroidRuntime(441):     at java.lang.Class.newInstance(Class.java:1301)
10-19 13:27:14.796: ERROR/AndroidRuntime(441):     at android.app.Instrumentation.newActivity(Instrumentation.java:1022)
10-19 13:27:14.796: ERROR/AndroidRuntime(441):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1730)
10-19 13:27:14.796: ERROR/AndroidRuntime(441):     ... 11 more
10-19 13:27:14.806: WARN/ActivityManager(78):   Force finishing activity com.rathbones.src/.RathbonesActivity

Answer 1

检查 .RathbonesActivity 活动是否在您的主包中，例如 com.activity.RathbonesActivity

或确保在清单中的活动声明中将完整路径写入 com.packagename .RathbonesActivity

检查这个StackOverflow问题了解“.”是什么意思。点的含义以及如何使用它。