遍历gridview 下的imageviewfor(int i0igridview.getChildCount()i++){View viewgridview.getChildAt
遍历gridview 下的imageview
for(int i=0;i<gridview.getChildCount();i++){View view=gridview.getChildAt(i); ImageButton ibn_del=(ImageButton)view.findViewById(R.id.ibn_del); ibn_del.setVisibility(View.VISIBLE); }??