//package com.gh.common.view;
//
//import android.content.Context;
//import android.support.v7.widget.LinearLayoutManager;
//import android.support.v7.widget.RecyclerView;
//import android.view.View;
//import android.view.ViewGroup;
//
///**
// * Created by khy on 2017/3/30.
// */
//public class MeasureLinearLayoutManager extends LinearLayoutManager {
//    int height;
//    private int[] mMeasuredDimension = new int[1];
//
//    public MeasureLinearLayoutManager(Context context) {
//        super(context);
//    }
//
//    @Override
//    public void onMeasure(RecyclerView.Recycler recycler, RecyclerView.State state,
//                          int widthSpec, int heightSpec) {
//        super.onMeasure(recycler, state, widthSpec, heightSpec);
//        height = 0;
//
//        try {
//            for (int i = 0; i < getItemCount(); i++) {
//                measureScrapChild(recycler, i,
//                        View.MeasureSpec.makeMeasureSpec(i, View.MeasureSpec.UNSPECIFIED),
//                        View.MeasureSpec.makeMeasureSpec(i, View.MeasureSpec.UNSPECIFIED),
//                        mMeasuredDimension);
//                height = height + mMeasuredDimension[0];
//            }
//        } catch (Exception e) {
//            e.printStackTrace();
//        }
//
//    }
//
//    private void measureScrapChild(RecyclerView.Recycler recycler, int position, int widthSpec,
//                                   int heightSpec, int[] measuredDimension) throws Exception {
//        View view = recycler.getViewForPosition(position);
//        if (view.getVisibility() == View.GONE) {
//            measuredDimension[0] = 0;
//            return;
//        }
//        super.measureChildWithMargins(view, 0, 0);
//        RecyclerView.LayoutParams p = (RecyclerView.LayoutParams) view.getLayoutParams();
//        int childHeightSpec = ViewGroup.getChildMeasureSpec(
//                heightSpec,
//                getPaddingTop() + getPaddingBottom() + getDecoratedTop(view) + getDecoratedBottom(view),
//                p.height);
//
//        view.measure(0, childHeightSpec);
//        measuredDimension[0] = getDecoratedMeasuredHeight(view) + p.bottomMargin + p.topMargin;
//        recycler.recycleView(view);
//    }
//
//    public int getRvHeight() {
//        return height;
//    }
//}