카메라 를 사용해서 사진을 등록하는걸 만드는 중인대 온클릭 리스너로 부른 후에는 자꾸 이런 에러가 나오네요

테스트 코드로 해서 엑티비티 하나에 몰아넣고 하면 잘 돌아 가는데 말이죠..

04-06 17:31:31.065: ERROR/AndroidRuntime(2606): Uncaught handler: thread main exiting due to uncaught exception
04-06 17:31:31.073: ERROR/AndroidRuntime(2606): java.lang.NullPointerException
04-06 17:31:31.073: ERROR/AndroidRuntime(2606):     at android.app.Activity.startActivityForResult(Activity.java:2749)
04-06 17:31:31.073: ERROR/AndroidRuntime(2606):     at com.pantech.app.smartlearning.util.infoCamera.doTakePhotoAction(infoCamera.java:67)
04-06 17:31:31.073: ERROR/AndroidRuntime(2606):     at com.pantech.app.smartlearning.studyroom.studyRoomRootActivity$3$1.onClick(studyRoomRootActivity.java:310)
04-06 17:31:31.073: ERROR/AndroidRuntime(2606):     at com.android.internal.app.AlertController$ButtonHandler.handleMessage(AlertController.java:158)
04-06 17:31:31.073: ERROR/AndroidRuntime(2606):     at android.os.Handler.dispatchMessage(Handler.java:99)
04-06 17:31:31.073: ERROR/AndroidRuntime(2606):     at android.os.Looper.loop(Looper.java:123)
04-06 17:31:31.073: ERROR/AndroidRuntime(2606):     at android.app.ActivityThread.main(ActivityThread.java:4363)
04-06 17:31:31.073: ERROR/AndroidRuntime(2606):     at java.lang.reflect.Method.invokeNative(Native Method)
04-06 17:31:31.073: ERROR/AndroidRuntime(2606):     at java.lang.reflect.Method.invoke(Method.java:521)
04-06 17:31:31.073: ERROR/AndroidRuntime(2606):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
04-06 17:31:31.073: ERROR/AndroidRuntime(2606):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
04-06 17:31:31.073: ERROR/AndroidRuntime(2606):     at dalvik.system.NativeStart.main(Native Method)