java.lang.IllegalStateException：在onSaveInstanceState之后无法执行此操

嗨,我使用片段A和第二个片段b.调用b和使用asynctask方法,但我使用这第一次它是完美的工作,但第二次然后崩溃的应用程序和我的错误日志在下面:::我工作的三星平板电脑完美工作,但三星核心手机崩溃的应用程序.

E/AndroidRuntime: FATAL EXCEPTION: main
E/AndroidRuntime: java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
E/AndroidRuntime:   at android.support.v4.app.FragmentManagerImpl.checkStateLoss(FragmentManager.java:1343)
E/AndroidRuntime:   at android.support.v4.app.FragmentManagerImpl.enqueueAction(FragmentManager.java:1361)
E/AndroidRuntime:   at android.support.v4.app.BackStackRecord.commitInternal(BackStackRecord.java:595)
E/AndroidRuntime:   at android.support.v4.app.BackStackRecord.commit(BackStackRecord.java:574)
E/AndroidRuntime:   at com.buymysari.fragment.SendImageServerFragment$SendImageServerTask.onPostExecute(SendImageServerFragment.java:158)
E/AndroidRuntime:   at com.buymysari.fragment.SendImageServerFragment$SendImageServerTask.onPostExecute(SendImageServerFragment.java:1)
E/AndroidRuntime:   at android.os.AsyncTask.finish(AsyncTask.java:631)
E/AndroidRuntime:   at android.os.AsyncTask.access$600(AsyncTask.java:177)
E/AndroidRuntime:   at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:644)
E/AndroidRuntime:   at android.os.Handler.dispatchMessage(Handler.java:99)
E/AndroidRuntime:   at android.os.Looper.loop(Looper.java:137)
E/AndroidRuntime:   at android.app.ActivityThread.main(ActivityThread.java:4960)
E/AndroidRuntime:   at java.lang.reflect.Method.invokeNative(Native Method)
E/AndroidRuntime:   at java.lang.reflect.Method.invoke(Method.java:511)
E/AndroidRuntime:   at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1038)
E/AndroidRuntime:   at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:805)
E/AndroidRuntime:   at dalvik.system.NativeStart.main(Native Method)

我的类用于：

public class TakeCameraFragment extends Fragment {
    Camera mCamera = null;
    private CameraPreview mCameraPreview;

    protected static final int MEDIA_TYPE_IMAGE = 0;
    static String FilePAth = "";
    Button takePicture;
    static String base64string = "";

    @Override
    public View onCreateView(LayoutInflater inflater,ViewGroup container,Bundle savedInstanceState) {

        final View rootView = inflater.inflate(R.layout.camerafragment,container,false);

        mCamera = getCameraInstance();

        Log.v("log_tag","mCamera :: " + mCamera);

        mCameraPreview = new CameraPreview(getActivity(),mCamera);
        FrameLayout preview = (FrameLayout) rootView
                .findViewById(R.id.camera_preview_fragment);

        preview.addView(mCameraPreview);

        takePicture = (Button) rootView
                .findViewById(R.id.btnTakePicturefragment);
        takePicture.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub

                mCamera.takePicture(null,null,mPictureframent);

            }
        });

        return rootView;

    }

    public boolean checkCameraHardware(Context context) {
        if (context.getPackageManager().hasSystemFeature(
                PackageManager.FEATURE_CAMERA)) {
            // this device has a camera
            return true;
        } else {
            // no camera on this device
            return false;
        }
    }

    @Override
    public void onDestroy() {
        // TODO Auto-generated method stub
        super.onDestroy();
        releaseCamera();
    }

    private void releaseCamera() {
        if (mCamera != null) {
            mCamera.release(); // release the camera for other applications
            mCamera = null;
        }
    }

    private Camera getCameraInstance() {

        try {
            Log.v("log_tag","camera try:::" + mCamera);
            mCamera = Camera.open();

        } catch (Exception e) {
            // cannot get camera or does not exist
            Log.v("log_tag","camera catch:::" + mCamera);
            releaseCamera();
        }
        return mCamera;
    }

    private static File getOutputMediaFile() {
        File mediaStorageDir = new File(
                Environment
                        .getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),"MyCameraAppFragment");

        if (!mediaStorageDir.exists()) {
            if (!mediaStorageDir.mkdirs()) {
                Log.d("MyCameraApp","failed to create directory");
                return null;
            }
        }
        // Create a media file name
        String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss")
                .format(new Date());

        FilePAth = mediaStorageDir.getPath() + File.separator + "IMG_fragment_"
                + timeStamp + ".jpg";

        Log.v("log"," FilePAth " + FilePAth);

        File mediaFile;
        mediaFile = new File(mediaStorageDir.getPath() + File.separator
                + "IMG_fragment_" + timeStamp + ".jpg");

        return mediaFile;
    }

    PictureCallback mPictureframent = new PictureCallback() {
        @Override
        public void onPictureTaken(byte[] data,Camera camera) {
            File pictureFile = getOutputMediaFile();
            if (pictureFile == null) {
                return;
            }
            try {

                FileOutputStream fos = new FileOutputStream(pictureFile);
                fos.write(data);
                fos.close();


                FragmentManager fm = getFragmentManager();

                FragmentTransaction fragmentTransaction = fm.beginTransaction();
                SetPictureImageFragment fm2 = new SetPictureImageFragment();
                fragmentTransaction.replace(R.id.relative_camerafragment_id,fm2,"HELLO");
                fragmentTransaction.addToBackStack(null);
                fragmentTransaction.commit();
                Bundle bundle = new Bundle();
                bundle.putByteArray("position",data);
                fm2.setArguments(bundle);
                mCamera.startPreview();

            } catch (FileNotFoundException e) {

            } catch (IOException e) {
            }
        }
    };

}

使用的第二片段：

public class SetPictureImageFragment extends Fragment {

    ImageView img;
    Bundle bundle;
    byte[] path;
    byte[] byteArrayimage;
    Button conform;
    float x;
    Bitmap b;


    public View onCreateView(LayoutInflater inflater,Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);

        View view = inflater.inflate(R.layout.capturepicturefragment,null);

        Log.v("log_tag","SetPictureImageFragment");
        bundle = this.getArguments();
        path = bundle.getByteArray("position");

        Log.v("log_tag","SetPictureImageFragment ::: Path :: "+path);
        img = (ImageView) view.findViewById(R.id.camera_preview_fragment_imageview);
        conform=(Button)view.findViewById(R.id.conform);




        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inPurgeable = true; // inPurgeable is used to free up
                                    // memory while required


        Bitmap b = BitmapFactory.decodeByteArray(path,path.length,options);

        int width = b.getWidth();
        int height = b.getHeight();
        int newWidth = 500;
        int newHeight  = 500;
         float scaleWidth = ((float) newWidth) / width;

         float scaleHeight = ((float) newHeight) / height;

         Matrix matrix = new Matrix();

         matrix.postScale(scaleWidth,scaleHeight);

         int rotation = getActivity().getWindowManager().getDefaultDisplay().getRotation();

         int finalDegree = 0;

            if(rotation == 0) {

                    finalDegree = 90;

            }

            if(rotation == 1) {

                    finalDegree = 270;

            }

            if(rotation == 2) {



                    finalDegree = 180;

            }

            if(rotation == 3) {



                    finalDegree = 90;

            }

         matrix.postRotate(finalDegree);

         Bitmap resizedBitmap = Bitmap.createBitmap(b,width,height,matrix,true);
         ByteArrayOutputStream stream = new ByteArrayOutputStream();
         resizedBitmap.compress(Bitmap.CompressFormat.PNG,100,stream);
         byteArrayimage = stream.toByteArray();

         img.setScaleType(ScaleType.CENTER);
         img.setImageBitmap(resizedBitmap);


        conform.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                FragmentManager fm = getChildFragmentManager();
                FragmentTransaction fragmentTransaction = fm.beginTransaction();
                SendImageServerFragment fm2 = new SendImageServerFragment();
                // CreateStoreFragment fm2 = new CreateStoreFragment();
                fragmentTransaction.replace(R.id.relative_cameraimageview_fragment,byteArrayimage);
                fm2.setArguments(bundle);

            }
        });


        return view;
    }

}