android - 解决 'application has stopped' 崩溃错误

Question

构建 AOA 应用程序，我的 Android 设备与外部配件通信，在本例中为 arduino。

当我连接配件时，我的 Android 应用程序正确启动，因为我的 intent-filter 中有一个 USB_ATTACHED 操作用于我的 mainActivity。

但是，不幸的是，我的 Android 应用程序在与 USB 配件断开连接时崩溃了。

我的 shell 在断开时立即从 TCPIP 切换到 USB 模式，但重新连接时我得到了完整的堆栈跟踪

任何 Android 专家都可以建议我如何根据以下 logcat 输出进一步调试它吗？

E/run     ( 5092): java.io.IOException: read failed: EIO (I/O error)
D/PicasaSyncManager( 4877): battery info: false
D/UsbDeviceManager(  781): exited USB accessory mode
E/UsbDebuggingManager(  781): got -1 reading
E/UsbDebuggingManager(  781): Communication error: 
E/UsbDebuggingManager(  781): java.io.IOException: No such file or directory
E/UsbDebuggingManager(  781):   at android.net.LocalSocketImpl.connectLocal(Native Method)
E/UsbDebuggingManager(  781):   at android.net.LocalSocketImpl.connect(LocalSocketImpl.java:287)
E/UsbDebuggingManager(  781):   at android.net.LocalSocket.connect(LocalSocket.java:130)
E/UsbDebuggingManager(  781):   at com.android.server.usb.UsbDebuggingManager.listenToSocket(UsbDebuggingManager.java:75)
E/UsbDebuggingManager(  781):   at com.android.server.usb.UsbDebuggingManager.run(UsbDebuggingManager.java:111)
E/UsbDebuggingManager(  781):   at java.lang.Thread.run(Thread.java:841)
D/dalvikvm(  781): GC_FOR_ALLOC freed 1069K, 14% free 31156K/35896K, paused 54ms, total 55ms
V/SearchControllerCache( 2819): creating SearchController
W/Sidekick_LocationOracleImpl( 2819): Best location was null
D/dalvikvm( 2819): GC_FOR_ALLOC freed 514K, 5% free 18100K/18940K, paused 15ms, total 15ms
D/audio_hw_primary(  182): select_devices: out_snd_device(0: ) in_snd_device(35: voice-rec-mic)
D/        (  182): Failed to fetch the lookup information of the device 0000003E 
E/ACDB-LOADER(  182): Error: ACDB AudProc vol returned = -19
I/SearchController( 2819): #onHotwordDetectorStarted
D/MainActivity( 5092): ASSERT registerPhone and register =false
D/MainActivity( 5092): ASSERT registerSms and register =false
I/WroxAccessory( 5092): disconnect
D/AndroidRuntime( 5092): Shutting down VM
W/dalvikvm( 5092): threadid=1: thread exiting with uncaught exception (group=0x41e7cba8)
E/AndroidRuntime( 5092): FATAL EXCEPTION: main
E/AndroidRuntime( 5092): Process: ca.foo, PID: 5092
E/AndroidRuntime( 5092): java.lang.RuntimeException: Unable to destroy activity {ca.foo/ca.foo.MainActivity}: java.lang.IllegalArgumentException: Receiver not registered: com.wiley.wroxaccessories.UsbConnection12$1@42f0be28
E/AndroidRuntime( 5092):    at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:3497)
E/AndroidRuntime( 5092):    at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:3515)
E/AndroidRuntime( 5092):    at android.app.ActivityThread.access$1400(ActivityThread.java:135)
E/AndroidRuntime( 5092):    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1249)
E/AndroidRuntime( 5092):    at android.os.Handler.dispatchMessage(Handler.java:102)
E/AndroidRuntime( 5092):    at android.os.Looper.loop(Looper.java:136)
E/AndroidRuntime( 5092):    at android.app.ActivityThread.main(ActivityThread.java:5017)
E/AndroidRuntime( 5092):    at java.lang.reflect.Method.invokeNative(Native Method)
E/AndroidRuntime( 5092):    at java.lang.reflect.Method.invoke(Method.java:515)
E/AndroidRuntime( 5092):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
E/AndroidRuntime( 5092):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
E/AndroidRuntime( 5092):    at dalvik.system.NativeStart.main(Native Method)
E/AndroidRuntime( 5092): Caused by: java.lang.IllegalArgumentException: Receiver not registered: com.wiley.wroxaccessories.UsbConnection12$1@42f0be28
E/AndroidRuntime( 5092):    at android.app.LoadedApk.forgetReceiverDispatcher(LoadedApk.java:667)
E/AndroidRuntime( 5092):    at android.app.ContextImpl.unregisterReceiver(ContextImpl.java:1453)
E/AndroidRuntime( 5092):    at android.content.ContextWrapper.unregisterReceiver(ContextWrapper.java:489)
E/AndroidRuntime( 5092):    at com.wiley.wroxaccessories.UsbConnection12.close(UsbConnection12.java:115)
E/AndroidRuntime( 5092):    at ca.foo.MainActivity.onDestroy(MainActivity.java:164)
E/AndroidRuntime( 5092):    at android.app.Activity.performDestroy(Activity.java:5403)
E/AndroidRuntime( 5092):    at android.app.Instrumentation.callActivityOnDestroy(Instrumentation.java:1117)
E/AndroidRuntime( 5092):    at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:3484)
E/AndroidRuntime( 5092):    ... 11 more

Answer 1

对于抛出的IO错误，我遇到了:

https://code.google.com/p/android/issues/detail?id=20545

一个选项是在 onPause() 中编写一个函数，但更好的方法是:(如同一链接中的#9 所述)-使用 http://developer.android.com/guide/topics/manifest/activity-element.html#lmode

此外，还有一个正确关闭 usb 附件连接的问题，这对您的情况有帮助 Proper way to close a USB accessory connection