replace into 遇到主键或唯一索引冲突时，会先删除数据，再插入新数据 insert into 遇到主键或唯一索引冲突时，会直接报错，不插入数据
I am assigning to an ImageView contacts images using this code: mPhotoView = (ImageView) findViewById(R.id.photo);
加载中,请稍侯......