LoadMoreWrapper

Start by reproducing the reported Java compilation error for the LoadMoreWrapper source shown in the issue. Check how the public LoadMoreWrapper class is stored and declared in the project, then run the Android build to confirm the class compiles without the filename error.

Error:(16, 8) 错误: 类LoadMoreWrapper是公共的, 应在名为 LoadMoreWrapper.java 的文件中声明
这个类报错 大神
`package com.zhy.adapter.recyclerview.wrapper;

import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.StaggeredGridLayoutManager;
import android.view.View;
import android.view.ViewGroup;

import com.zhy.adapter.recyclerview.base.ViewHolder;
import com.zhy.adapter.recyclerview.utils.WrapperUtils;

/**

• Created by zhy on 16/6/23.
  */
  public class LoadMoreWrapper extends RecyclerView.Adapter<RecyclerView.ViewHolder>
  {
  public static final int ITEM_TYPE_LOAD_MORE = Integer.MAX_VALUE - 2;

  private RecyclerView.Adapter mInnerAdapter;
  private View mLoadMoreView;
  private int mLoadMoreLayoutId;

  public LoadMoreWrapper(RecyclerView.Adapter adapter)
  {
  mInnerAdapter = adapter;
  }

  private boolean hasLoadMore()
  {
  return mLoadMoreView != null || mLoadMoreLayoutId != 0;
  }

  private boolean isShowLoadMore(int position)
  {
  return hasLoadMore() && (position >= mInnerAdapter.getItemCount());
  }

  @Override
  public int getItemViewType(int position)
  {
  if (isShowLoadMore(position))
  {
  return ITEM_TYPE_LOAD_MORE;
  }
  return mInnerAdapter.getItemViewType(position);
  }

  @Override
  public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType)
  {
  if (viewType == ITEM_TYPE_LOAD_MORE)
  {
  ViewHolder holder;
  if (mLoadMoreView != null)
  {
  holder = ViewHolder.createViewHolder(parent.getContext(), mLoadMoreView);
  } else
  {
  holder = ViewHolder.createViewHolder(parent.getContext(), parent, mLoadMoreLayoutId);
  }
  return holder;
  }
  return mInnerAdapter.onCreateViewHolder(parent, viewType);
  }

  @Override
  public void onBindViewHolder(RecyclerView.ViewHolder holder, int position)
  {
  if (isShowLoadMore(position))
  {
  if (mOnLoadMoreListener != null)
  {
  mOnLoadMoreListener.onLoadMoreRequested();
  }
  return;
  }
  mInnerAdapter.onBindViewHolder(holder, position);
  }

  @Override
  public void onAttachedToRecyclerView(RecyclerView recyclerView)
  {
  WrapperUtils.onAttachedToRecyclerView(mInnerAdapter, recyclerView, new WrapperUtils.SpanSizeCallback()
  {
  @Override
  public int getSpanSize(GridLayoutManager layoutManager, GridLayoutManager.SpanSizeLookup oldLookup, int position)
  {
  if (isShowLoadMore(position))
  {
  return layoutManager.getSpanCount();
  }
  if (oldLookup != null)
  {
  return oldLookup.getSpanSize(position);
  }
  return 1;
  }
  });
  }

  @Override
  public void onViewAttachedToWindow(RecyclerView.ViewHolder holder)
  {
  mInnerAdapter.onViewAttachedToWindow(holder);

   if (isShowLoadMore(holder.getLayoutPosition()))
   {
       setFullSpan(holder);
   }
  

  }

  private void setFullSpan(RecyclerView.ViewHolder holder)
  {
  ViewGroup.LayoutParams lp = holder.itemView.getLayoutParams();

   if (lp != null
           && lp instanceof StaggeredGridLayoutManager.LayoutParams)
   {
       StaggeredGridLayoutManager.LayoutParams p = (StaggeredGridLayoutManager.LayoutParams) lp;
  
       p.setFullSpan(true);
   }
  

  }

  @Override
  public int getItemCount()
  {
  return mInnerAdapter.getItemCount() + (hasLoadMore() ? 1 : 0);
  }

  public interface OnLoadMoreListener
  {
  void onLoadMoreRequested();
  }

  private OnLoadMoreListener mOnLoadMoreListener;

  public LoadMoreWrapper setOnLoadMoreListener(OnLoadMoreListener loadMoreListener)
  {
  if (loadMoreListener != null)
  {
  mOnLoadMoreListener = loadMoreListener;
  }
  return this;
  }

  public LoadMoreWrapper setLoadMoreView(View loadMoreView)
  {
  mLoadMoreView = loadMoreView;
  return this;
  }

  public LoadMoreWrapper setLoadMoreView(int layoutId)
  {
  mLoadMoreLayoutId = layoutId;
  return this;
  }
  }
  `