listview的item全部漏出来才显示

来源：互联网发布：js闭包循环引用编辑：程序博客网时间：2024/04/30 05:07
lvMaster.setOnScrollListener(new ScrollListener() {            @Override            public void onScrollStateChanged(AbsListView absListView, int i) {                super.onScrollStateChanged(absListView, i);            }            @Override            public void onScroll(AbsListView absListView, int firstVisibleItem, int visibleItemCount, int totalItemCount) {                super.onScroll(absListView, firstVisibleItem, visibleItemCount, totalItemCount);                View animView;                for (int i = 0; i < visibleItemCount; i++) {                    animView = lvMaster.getListView().getChildAt(i);                    if (animView == null) {                        continue;                    }                    if (getScroll(lvMaster.getListView()) <= 0 && visibleItemCount == 1) {                        ViewHelper.setAlpha(animView, 1f);                    } else {                        if(animView.getBottom()<=lvMaster.getListView().getBottom()){                            ViewHelper.setAlpha(animView, 1f);                        }                        else {                            ViewHelper.setAlpha(animView, 0f);                        }                    }                }            }        });protected int getScroll(ListView listview) {        int scrollY = 0;        View c =  listview.getChildAt(0); //this is the first visible row        if(c != null){            scrollY = -c.getTop();        return scrollY;    }}getScroll
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