private void singleImageClick(BaseMedia media) {
            ArrayList<BaseMedia> iMedias = new ArrayList<>();
            iMedias.add(media);
            if (hasCropBehavior()) {
                startCrop(media, IMAGE_CROP_REQUEST_CODE);
            } else {
                onFinish(iMedias);
            }
        }
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