我是arcgis sdk的新手并将hello world示例导入我的工作区并清理并存储它并且没有错误。
但是，当我运行它时，它向我展示了......不幸的是，helloworld停止了工作＆＃34;。
在logcat中输出：
12-24 16:24:43.963: E/AndroidRuntime(1127): FATAL EXCEPTION: main
12-24 16:24:43.963: E/AndroidRuntime(1127): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.arcgis.android.samples.maps.helloworld/com.arcgis.android.samples.maps.helloworld.MainActivity}: java.lang.ClassNotFoundException: Didn't find class "com.arcgis.android.samples.maps.helloworld.MainActivity" on path: /data/app/com.arcgis.android.samples.maps.helloworld-2.apk
12-24 16:24:43.963: E/AndroidRuntime(1127): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2106)
12-24 16:24:43.963: E/AndroidRuntime(1127): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
12-24 16:24:43.963: E/AndroidRuntime(1127): at android.app.ActivityThread.access$600(ActivityThread.java:141)
12-24 16:24:43.963: E/AndroidRuntime(1127): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
12-24 16:24:43.963: E/AndroidRuntime(1127): at android.os.Handler.dispatchMessage(Handler.java:99)
12-24 16:24:43.963: E/AndroidRuntime(1127): at android.os.Looper.loop(Looper.java:137)
12-24 16:24:43.963: E/AndroidRuntime(1127): at android.app.ActivityThread.main(ActivityThread.java:5041)
12-24 16:24:43.963: E/AndroidRuntime(1127): at java.lang.reflect.Method.invokeNative(Native Method)
12-24 16:24:43.963: E/AndroidRuntime(1127): at java.lang.reflect.Method.invoke(Method.java:511)
12-24 16:24:43.963: E/AndroidRuntime(1127): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
12-24 16:24:43.963: E/AndroidRuntime(1127): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
12-24 16:24:43.963: E/AndroidRuntime(1127): at dalvik.system.NativeStart.main(Native Method)
12-24 16:24:43.963: E/AndroidRuntime(1127): Caused by: java.lang.ClassNotFoundException: Didn't find class "com.arcgis.android.samples.maps.helloworld.MainActivity" on path: /data/app/com.arcgis.android.samples.maps.helloworld-2.apk
12-24 16:24:43.963: E/AndroidRuntime(1127): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:65)
12-24 16:24:43.963: E/AndroidRuntime(1127): at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
12-24 16:24:43.963: E/AndroidRuntime(1127): at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
12-24 16:24:43.963: E/AndroidRuntime(1127): at android.app.Instrumentation.newActivity(Instrumentation.java:1054)
12-24 16:24:43.963: E/AndroidRuntime(1127): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2097)
12-24 16:24:43.963: E/AndroidRuntime(1127): ... 11 more