android - 从导出的 apk 安装时，应用程序因 maps.jar 文件错误而崩溃，如果我从 eclipse 安装它，则可以正常工作

Question

我的应用程序使用谷歌地图 API。如果我从 eclipse 安装它，它运行良好，但是当我导出 apk 并从该 apk 安装时，应用程序崩溃并报告此错误

11-15 16:30:29.692: E/AndroidRuntime(14405): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.mycom.myapp/com.mycom.myapp.MainActivity}: java.lang.ClassNotFoundException: com.mycom.myapp.MainActivity in loader dalvik.system.PathClassLoader[/system/framework/com.google.android.maps.jar:/mnt/aseccom.mycom.myapp-1/pkg.apk]


    11-16 01:47:41.999: E/AndroidRuntime(19577):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1785)
11-16 01:47:41.999: E/AndroidRuntime(19577):    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1893)
11-16 01:47:41.999: E/AndroidRuntime(19577):    at android.app.ActivityThread.access$1500(ActivityThread.java:135)
11-16 01:47:41.999: E/AndroidRuntime(19577):    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1054)
11-16 01:47:41.999: E/AndroidRuntime(19577):    at android.os.Handler.dispatchMessage(Handler.java:99)
11-16 01:47:41.999: E/AndroidRuntime(19577):    at android.os.Looper.loop(Looper.java:150)
11-16 01:47:41.999: E/AndroidRuntime(19577):    at android.app.ActivityThread.main(ActivityThread.java:4389)
11-16 01:47:41.999: E/AndroidRuntime(19577):    at java.lang.reflect.Method.invokeNative(Native Method)
11-16 01:47:41.999: E/AndroidRuntime(19577):    at java.lang.reflect.Method.invoke(Method.java:507)
11-16 01:47:41.999: E/AndroidRuntime(19577):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:849)
11-16 01:47:41.999: E/AndroidRuntime(19577):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:607)
11-16 01:47:41.999: E/AndroidRuntime(19577):    at dalvik.system.NativeStart.main(Native Method)
11-16 01:47:41.999: E/AndroidRuntime(19577): Caused by: java.lang.ClassNotFoundException: com.mycom.myapp.MainActivity in loader dalvik.system.PathClassLoader[/system/framework/com.google.android.maps.jar:/mnt/asec/com.mycom.myapp-1/pkg.apk]
11-16 01:47:41.999: E/AndroidRuntime(19577):    at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240)
11-16 01:47:41.999: E/AndroidRuntime(19577):    at java.lang.ClassLoader.loadClass(ClassLoader.java:551)
11-16 01:47:41.999: E/AndroidRuntime(19577):    at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
11-16 01:47:41.999: E/AndroidRuntime(19577):    at android.app.Instrumentation.newActivity(Instrumentation.java:1040)
11-16 01:47:41.999: E/AndroidRuntime(19577):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1777)
11-16 01:47:42.009: E/EmbeddedLogger(183): App crashed! Process: com.mycom.myapp
11-16 01:47:42.009: E/EmbeddedLogger(183): App crashed! Package: com.mycom.myapp v1 (1.0)
11-16 01:47:42.009: E/EmbeddedLogger(183): Error getting package label: com.mycom.myapp
11-16 01:47:42.009: E/EmbeddedLogger(183): java.lang.NullPointerException
11-16 01:47:42.009: E/EmbeddedLogger(183):  at com.htc.server.embedded.EmbeddedLogger.onHandleApplicationCrash(EmbeddedLogger.java:59)
11-16 01:47:42.009: E/EmbeddedLogger(183):  at com.android.server.am.ActivityManagerService.handleApplicationCrash(ActivityManagerService.java:7739)
11-16 01:47:42.009: E/EmbeddedLogger(183):  at android.app.ActivityManagerNative.onTransact(ActivityManagerNative.java:1033)
11-16 01:47:42.009: E/EmbeddedLogger(183):  at com.android.server.am.ActivityManagerService.onTransact(ActivityManagerService.java:1657)
11-16 01:47:42.009: E/EmbeddedLogger(183):  at android.os.Binder.execTransact(Binder.java:320)
11-16 01:47:42.009: E/EmbeddedLogger(183):  at dalvik.system.NativeStart.run(Native Method)
11-16 01:47:42.009: E/EmbeddedLogger(183): Application Label: <ERROR>

有人能帮忙吗？

Answer 1

当我从 Eclipse 导出签名的 apk 时，这经常发生在我身上。我还没有找到问题的根源，但我的解决方法只是重新导出 apk 并尝试安装到设备上进行测试。我估计 apk 大约有 3/4 的时间是正常的，其余时间它会在尝试打开应用程序时立即崩溃。