仿京东店铺详情界面

Scrollviewfresh加载数据 嵌套NonScrollListView，NonScrollListView item中包含NonScrollGridView

这个布局中最外层用的是HeaderViewPager，大概的效果就是京东店铺详情

Screenshot_2017-11-15-17-04-47_com.dongmango.gou2.png

大致效果是这样，向上滑动，Tablayout能继续选择fragment ,
起初觉得这样嵌套好几层布局会出问题，最后写完，发现并没有问题，重写的Listview

 @Override
    public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {

        int expandSpec = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2,
                MeasureSpec.AT_MOST);
        super.onMeasure(widthMeasureSpec, expandSpec);
    }

重写的Gridview

 @Override
    public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {

        int expandSpec = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2,
                MeasureSpec.AT_MOST);
        super.onMeasure(widthMeasureSpec, expandSpec);
    }

    //通过重新dispatchTouchEvent方法来禁止滑动
    @Override
    public boolean dispatchTouchEvent(MotionEvent ev) {
        // TODO Auto-generated method stub
        if (ev.getAction() == MotionEvent.ACTION_MOVE) {
            return true;//禁止Gridview进行滑动
        }
        return super.dispatchTouchEvent(ev);
    }

然后就是下拉能加载的Scrollview

public class Scrollviewfresh extends ScrollView {
    private OnScrollToBottomListener onScrollToBottom;

    public Scrollviewfresh(Context context) {
        super(context);
        // TODO Auto-generated constructor stub
    }

    public Scrollviewfresh(Context context, AttributeSet attrs) {
        super(context, attrs);
        // TODO Auto-generated constructor stub
    }

    public Scrollviewfresh(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        // TODO Auto-generated constructor stub
    }

    @Override
    protected void onOverScrolled(int scrollX, int scrollY, boolean clampedX,
                                  boolean clampedY) {
        // TODO Auto-generated method stub
        super.onOverScrolled(scrollX, scrollY, clampedX, clampedY);
        if (scrollY != 0 && null != onScrollToBottom) {
            onScrollToBottom.onScrollBottomListener(clampedY);
        }
    }

    public void setOnScrollToBottomLintener(OnScrollToBottomListener listener) {
        onScrollToBottom = listener;
    }

    public interface OnScrollToBottomListener {
        public void onScrollBottomListener(boolean isBottom);
    }

这个下拉加载的scrollview ，需要再下拉的时候做下判断，

 svDisplay.setOnScrollToBottomLintener(new Scrollviewfresh.OnScrollToBottomListener() {
            @Override
            public void onScrollBottomListener(boolean isBottom) {
                isboolean = isBottom + "";
                if (isboolean.equals("true") && isOk.equals("false")) {
                    isOk = "true";
                    page++;
                    httpList();
                }
            }
        });

通过两个boolean来做判断，第一个isboolean判断是否滑动到最底部，第二个就是用来判断网络请求是否成功，否则会一直加载网络请求，导致数据重复，

HttpJsonUtil.getShop_New_Goods(shop_id, page + "", 10001, new HttpManager.OnHttpResponseListener() {
            @Override
            public void onHttpResponse(int requestCode, String resultJson, Exception e) {
                if (0 == GetJsonUtil.getResponseCode(resultJson)) {
                    String json = GetJsonUtil.getResponseData(resultJson);
                    bindListData(JSON.parseArray(json, ShopNewGoodsBean.class));
                    if (JSON.parseArray(json, ShopDetailGoodsBean.class).size() == 0) {//没有更多数据了，不能继续加载
                        isboolean = "false";
                        isOk = "true";
                    } else {
                        isboolean = "false";
                        isOk = "false";
                    }

                } else {
                    showShortToast(GetJsonUtil.getResponseError(resultJson));
                }

至此，基本上的一个多嵌套布局，加上一个下拉加载已经做完了，具体的填充adapter，就不贴上去了