SurfaceView 를 사용하고 있는 액티비티에서 다른 액티비티를 띄우고 난뒤에

뒤로가기 버튼을 눌러 돌아오려고 하면 아래와 같은 에러가 납니다.

Thread가 이미 시작되었는데 또 시작하려고 해서 에러가 난다... 뭐 이런이야기 같은데...

다른 액티비티를 띄우기 전에 SurfaceView의 Thread를 죽여놓고 띄워야 하나요?

에러메세지는 아래와 같습니다.  해결 방법 좀 알려주십시오.

11-21 05:19:41.678: ERROR/AndroidRuntime(264): Uncaught handler: thread main exiting due to uncaught exception
11-21 05:19:41.827: ERROR/AndroidRuntime(264): java.lang.IllegalThreadStateException: Thread already started.
11-21 05:19:41.827: ERROR/AndroidRuntime(264):     at java.lang.Thread.start(Thread.java:1322)
11-21 05:19:41.827: ERROR/AndroidRuntime(264):     at com.nomelix.CardDealSurfaceView.surfaceCreated(CardDealSurfaceView.java:142)
11-21 05:19:41.827: ERROR/AndroidRuntime(264):     at android.view.SurfaceView.updateWindow(SurfaceView.java:454)
11-21 05:19:41.827: ERROR/AndroidRuntime(264):     at android.view.SurfaceView.onWindowVisibilityChanged(SurfaceView.java:189)
11-21 05:19:41.827: ERROR/AndroidRuntime(264):     at android.view.View.dispatchWindowVisibilityChanged(View.java:3782)
11-21 05:19:41.827: ERROR/AndroidRuntime(264):     at android.view.ViewGroup.dispatchWindowVisibilityChanged(ViewGroup.java:692)
11-21 05:19:41.827: ERROR/AndroidRuntime(264):     at android.view.ViewGroup.dispatchWindowVisibilityChanged(ViewGroup.java:692)
11-21 05:19:41.827: ERROR/AndroidRuntime(264):     at android.view.ViewGroup.dispatchWindowVisibilityChanged(ViewGroup.java:692)
11-21 05:19:41.827: ERROR/AndroidRuntime(264):     at android.view.ViewGroup.dispatchWindowVisibilityChanged(ViewGroup.java:692)
11-21 05:19:41.827: ERROR/AndroidRuntime(264):     at android.view.ViewRoot.performTraversals(ViewRoot.java:706)
11-21 05:19:41.827: ERROR/AndroidRuntime(264):     at android.view.ViewRoot.handleMessage(ViewRoot.java:1633)
11-21 05:19:41.827: ERROR/AndroidRuntime(264):     at android.os.Handler.dispatchMessage(Handler.java:99)
11-21 05:19:41.827: ERROR/AndroidRuntime(264):     at android.os.Looper.loop(Looper.java:123)
11-21 05:19:41.827: ERROR/AndroidRuntime(264):     at android.app.ActivityThread.main(ActivityThread.java:4363)
11-21 05:19:41.827: ERROR/AndroidRuntime(264):     at java.lang.reflect.Method.invokeNative(Native Method)
11-21 05:19:41.827: ERROR/AndroidRuntime(264):     at java.lang.reflect.Method.invoke(Method.java:521)
11-21 05:19:41.827: ERROR/AndroidRuntime(264):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
11-21 05:19:41.827: ERROR/AndroidRuntime(264):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
11-21 05:19:41.827: ERROR/AndroidRuntime(264):     at dalvik.system.NativeStart.main(Native Method)