@Override
        public void onClick(View v) {
            BaseMedia media = (BaseMedia) v.getTag();
            int pos = (int) v.getTag(R.id.media_item_check);
            BoxingConfig.Mode mode = BoxingManager.getInstance().getBoxingConfig().getMode();
            if (mode == BoxingConfig.Mode.SINGLE_IMG) {
                singleImageClick(media);
            } else if (mode == BoxingConfig.Mode.MULTI_IMG) {
                multiImageClick(pos);
            } else if (mode == BoxingConfig.Mode.VIDEO) {
                videoClick(media);
            }
        }
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