protected void selectPicFromCamera() {

        if (!EaseCommonUtils.isSdcardExist()) {

            Toast.makeText(getActivity(), R.string.sd_card_does_not_exist, Toast.LENGTH_SHORT).show();

            return;

        }

       cameraFile = new File(Environment.getExternalStorageDirectory() + "/"  + System.currentTimeMillis() + ".jpg");

//        cameraFile = new File(PathUtil.getInstance().getImagePath(), EMClient.getInstance().getCurrentUser()

//                + System.currentTimeMillis() + ".jpg");

        //noinspection ResultOMethodCallIgnored

        Log.v("相机bug","+"+cameraFile);

        cameraFile.getParentFile().mkdirs();

        startActivityForResult(

                new Intent(MediaStore.ACTION_IMAGE_CAPTURE).putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(cameraFile)),

                REQUEST_CODE_CAMERA);

    }

  if (PathUtil.getInstance().getImagePath() == null) {

            PathUtil.getInstance().initDirs("", "", getActivity());

        }

        cameraFile = new File(PathUtil.getInstance().getImagePath(), EMClient.getInstance().getCurrentUser()

                + System.currentTimeMillis() + ".jpg");

        //noinspection ResultOfMethodCallIgnored

        cameraFile.getParentFile().mkdir();

网上说是初始化问题，但实在是发现不了哪里初始化不对了，最后通过该方法解决

自己判断路径是否为null，是的话则调用PathUtil的initDirs方法

 if (PathUtil.getInstance().getImagePath() == null) {

     PathUtil.getInstance().initDirs("", "", getActivity());

 }