注：下面示例是以PictureSelector3为例。1、添加依赖：// PictureSelector 基础 (必须) implementation 'io.github.lucksiege:pictureselector:v3.11.2' // 图片压缩 (按需引入) implementation 'io.github.lucksiege:compress:v3.11.2'2、封装类public class PictureselectorUtil { private static PictureselectorUtil selectView = null; private int maxSelectNum = 8; private int OPEN_GALLERY = 1; private int OPEN_CAMERA = 2; private GridImageAdapter mAdapter; private AppCompatActivity mActivity; private RecyclerView mRecyclerView; public static synchronized PictureselectorUtil getInstance() { if (selectView == null) { synchronized (PictureselectorUtil.class) {