private void multiImageClick(int pos) {
            if (!mIsPreview) {
                AlbumEntity albumMedia = mAlbumWindowAdapter.getCurrentAlbum();
                String albumId = albumMedia != null ? albumMedia.mBucketId : AlbumEntity.DEFAULT_NAME;
                mIsPreview = true;

                ArrayList<BaseMedia> medias = (ArrayList<BaseMedia>) mMediaAdapter.getSelectedMedias();

                Boxing.get().withIntent(getContext(), BoxingViewActivity.class, medias, pos, albumId)
                        .start(BoxingViewFragment.this, BoxingViewFragment.IMAGE_PREVIEW_REQUEST_CODE, BoxingConfig.ViewMode.EDIT);

            }
        }
A full implement for {@link com.bilibili.boxing.presenter.PickerContract.View} supporting all the mode
in {@link BoxingConfig.Mode}.
use this to pick the picture.

@author ChenSL
boxing-impl/src/main/java/com/bilibili/boxing_impl/ui/BoxingViewFragment.java