Android:活动对话框/对话框意外消失

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我有一个TabActivity应用程序,每当我从我的引擎(NDK C代码)获得回调时,我都会显示一个对话框.当应用程序处于恢复状态时,我确保显示对话框.

收到引擎回调后,我启动了NetworkDownDialog活动,但这会导致对话框停留一秒然后消失.如果我使用Dialog或AlertDialog,也会发生同样的事情.最奇怪的是,失踪似乎是随机的(并不总是发生).

这是一个S3设备.这是怎么回事?

编辑于23/05/2013

网络向下对话代码

  1. public class NetworkDownDialog extends Activity {
  2. @Override
  3. protected void onCreate(Bundle savedInstanceState) {
  4. super.onCreate(savedInstanceState);
  5. setContentView(R.layout.network_down);
  6. Logger.d("NetworkDownDialog","----------onCreate-----------");
  7. registerReceiver(mNetworkDownReceiver,new IntentFilter("NetworkDown"));
  8. }
  9. @Override
  10. protected void onDestroy() {
  11. super.onDestroy();
  12. unregisterReceiver(mNetworkDownReceiver);
  13. Logger.d("NetworkDownDialog","------onDestroy-------");
  14. }
  15. @Override
  16. protected void onResume() {
  17. super.onResume();
  18. Logger.d("NetworkDownDialog","------onResume-------");
  19. }
  20. @Override
  21. protected void onRestart() {
  22. super.onRestart();
  23. Logger.d("NetworkDownDialog","------onRestart-------");
  24. }
  25. @Override
  26. protected void onStart() {
  27. super.onStart();
  28. Logger.d("NetworkDownDialog","------onStart-------");
  29. }
  30. @Override
  31. protected void onStop() {
  32. super.onStop();
  33. Logger.d("NetworkDownDialog","------onStop-------");
  34. }
  35. @Override
  36. public void onBackPressed() {
  37. Logger.d("NetworkDownDialog","------onBackPressed Do nothing-------");
  38. }
  39. private BroadcastReceiver mNetworkDownReceiver = new BroadcastReceiver() {
  40. @Override
  41. public void onReceive(Context context,Intent intent) {
  42. finish();
  43. }
  44. };
  45. }

在日志中,这是我看到的:

  1. 05-15 20:48:02.981 D/NetworkDownDialog( 1050): ------onCreate-------
  2. 05-15 20:48:02.981 D/alsa_ucm( 202): Setting mixer control: RX5 MIX1 INP2,value: RX2
  3. 05-15 20:48:02.991 D/alsa_ucm( 202): Setting mixer control: RX6 DSM MUX,value: DSM_INV
  4. 05-15 20:48:02.991 D/alsa_ucm( 202): Setting mixer control: LINEOUT2 Volume,value: 100
  5. 05-15 20:48:02.991 D/alsa_ucm( 202): Setting mixer control: LINEOUT4 Volume,value: 100
  6. 05-15 20:48:02.991 D/NetworkDownDialog( 1050): ------onStart-------
  7. 05-15 20:48:02.991 D/alsa_ucm( 202): Setting mixer control: RX5 Digital Volume,value: 65
  8. 05-15 20:48:02.991 D/NetworkDownDialog( 1050): ------onResume-------

显示活动对话框

  1. **05-15 20:48:05.073 W/InputDispatcher( 716): channel ~ Consumer closed input channel or an error occurred. events=0x9
  2. 05-15 20:48:05.073 E/InputDispatcher( 716): channel ~ Channel is unrecoverably broken and will be disposed!**
  3. 05-15 20:48:05.073 W/InputDispatcher( 716): Attempted to unregister already unregistered input channel
  4. 05-15 20:48:05.083 I/SurfaceFlinger( 195): id=2033 Removed idx=5 MapSz=4
  5. 05-15 20:48:05.083 D/KeyguardViewMediator( 716): setHidden false
  6. 05-15 20:48:05.103 I/Adreno200-EGLSUB( 195): <CreateImage:897>: Android Image
  7. 05-15 20:48:05.103 I/Adreno200-EGLSUB( 195): <GetImageAttributes:1106>: RGBA_8888
  8. **05-15 20:48:05.103 E/BufferQueue( 195): [mypackage.NetworkDownDialog] dequeueBuffer: SurfaceTexture has been abandoned!
  9. 05-15 20:48:05.103 E/SurfaceTextureClient( 1050): dequeueBuffer Failed (No such device**)
  10. 05-15 20:48:05.103 D/PhoneStatusBar( 894): addNotification score=0
  11. 05-15 20:48:05.123 E/ViewRootImpl( 1050): Could not lock surface
  12. 05-15 20:48:05.123 E/ViewRootImpl( 1050): java.lang.IllegalArgumentException
  13. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at android.view.Surface.lockCanvasNative(Native Method)
  14. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at android.view.Surface.lockCanvas(Surface.java:88)
  15. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at android.view.ViewRootImpl.drawSoftware(ViewRootImpl.java:2314)
  16. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at android.view.ViewRootImpl.draw(ViewRootImpl.java:2277)
  17. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2145)
  18. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1956)
  19. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1110)
  20. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:4472)
  21. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at android.view.Choreographer$CallbackRecord.run(Choreographer.java:725)
  22. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at android.view.Choreographer.doCallbacks(Choreographer.java:555)
  23. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at android.view.Choreographer.doFrame(Choreographer.java:525)
  24. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:711)
  25. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at android.os.Handler.handleCallback(Handler.java:615)
  26. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at android.os.Handler.dispatchMessage(Handler.java:92)
  27. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at android.os.Looper.loop(Looper.java:137)
  28. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at android.app.ActivityThread.main(ActivityThread.java:4918)
  29. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at java.lang.reflect.Method.invokeNative(Native Method)
  30. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at java.lang.reflect.Method.invoke(Method.java:511)
  31. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1004)
  32. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:771)
  33. 05-15 20:48:05.123 E/ViewRootImpl( 1050): at dalvik.system.NativeStart.main(Native Method)

在这种情况下,ActivityDialog在上述之后消失了.

为什么我的对话框消失了?我的C级本机代码中的内存损坏是否可能导致此问题?我在UI方面做错了吗?我完全陷入困境……

编辑于24 -05 -2013

  1. 05-24 19:49:00.025 I/SurfaceFlinger( 1901): id=2147 Removed NainTabActivity idx=3 MapSz=4
  2.  
  3. 05-24 19:49:00.025 I/SurfaceFlinger( 1901): id=2147 Removed NainTabActivity idx=-2 MapSz=4

SurfaceFlinger删除了我的tabactivity.这会导致对话框删除吗?

解决方法

>确保您正在显示带有应用程序上下文的对话框. >确保没有两个事件发生并触及代码的相同部分.当您要显示对话框时,c代码中的另一个事件将显示对话框. >确保您的应用程序有足够的内存来顺利运行.

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