listview获取不可见的item

int visiblePosition = listView.getFirstVisiblePosition();// 来获取当前可见的第一个Item的positionLogger.e(this, "visiblePosition="+visiblePosition);View viewItem = listView.getChildAt(mPosition- visiblePosition);listView.getAdapter().getView(mPosition, viewItem, listView);listView.setSelection(mPosition);//定位到当前item置顶AlphaAnimation alp = new AlphaAnimation(0.2f, 1.0f);alp.setDuration(2000);viewItem.startAnimation(alp);ViewHolder holder = new ViewHolder(viewItem);holder.tvGroupName.setText(mGroupName);Logger.e(this, "mGroupName=" + mGroupName);