<?xml version="1.0" encoding="utf-8"?><LinearLayout    xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical"    android:paddingBottom="@dimen/activity_vertical_margin"    android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    tools:context="com.liu.swiperefreshlayoutrecyclerviewdemo.MainActivity">    <android.support.v4.widget.SwipeRefreshLayout        android:id="@+id/swipeRefreshLayout"        android:layout_width="match_parent"        android:layout_height="match_parent">        <android.support.v7.widget.RecyclerView            android:id="@+id/recyclerView"            android:layout_width="match_parent"            android:layout_height="match_parent">        </android.support.v7.widget.RecyclerView>    </android.support.v4.widget.SwipeRefreshLayout></LinearLayout>

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"              xmlns:app="http://schemas.android.com/apk/res-auto"              android:orientation="vertical"              android:layout_margin="5dp"              android:layout_width="match_parent"              android:layout_height="wrap_content">    <android.support.v7.widget.CardView        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_margin="5dp"        app:cardCornerRadius="10dp"        android:elevation="10dp">        <TextView            android:layout_margin="10dp"            android:textSize="18sp"            android:id="@+id/tvContent"            android:text="魂牵梦萦地"            android:layout_width="match_parent"            android:layout_height="wrap_content"/>    </android.support.v7.widget.CardView></LinearLayout>

package com.liu.swiperefreshlayoutrecyclerviewdemo.adapter;import android.content.Context;import android.support.v7.widget.RecyclerView;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.TextView;import android.widget.Toast;import com.liu.swiperefreshlayoutrecyclerviewdemo.R;import java.util.List;import butterknife.BindView;import butterknife.ButterKnife;/** * Created by 刘楠 on 2016/9/10 0010.18:06 */public class RefreshAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {    Context        mContext;    LayoutInflater mInflater;    List<String>   mDatas;    public RefreshAdapter(Context context, List<String> datas) {        mContext = context;        mInflater = LayoutInflater.from(context);        mDatas = datas;    }    @Override    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {        View itemView = mInflater.inflate(R.layout.item_refresh_recylerview, parent, false);        return new ItemViewHolder(itemView);    }    @Override    public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {        if(holder instanceof ItemViewHolder){            ItemViewHolder itemViewHolder = (ItemViewHolder) holder;            String str = mDatas.get(position);            itemViewHolder.mTvContent.setText(str);        }    }    @Override    public int getItemCount() {        return mDatas.size();    }    @Override    public int getItemViewType(int position) {        return super.getItemViewType(position);    }    public class ItemViewHolder extends RecyclerView.ViewHolder {        @BindView(R.id.tvContent)        TextView mTvContent;        public ItemViewHolder(View itemView) {            super(itemView);            ButterKnife.bind(this,itemView);            initListener(itemView);        }        private void initListener(View itemView) {            itemView.setOnClickListener(new View.OnClickListener() {                @Override                public void onClick(View v) {                    Toast.makeText(mContext, "poistion "+ getAdapterPosition(), Toast.LENGTH_SHORT).show();                }            });        }    }    public void AddHeaderItem(List<String> items){        mDatas.addAll(0,items);        notifyDataSetChanged();    }    public void AddFooterItem(List<String> items){        mDatas.addAll(items);        notifyDataSetChanged();    }}

package com.liu.swiperefreshlayoutrecyclerviewdemo;import android.graphics.Color;import android.os.Bundle;import android.os.Handler;import android.support.v4.widget.SwipeRefreshLayout;import android.support.v7.app.AppCompatActivity;import android.support.v7.widget.LinearLayoutManager;import android.support.v7.widget.RecyclerView;import android.view.Window;import android.widget.Toast;import com.liu.swiperefreshlayoutrecyclerviewdemo.adapter.RefreshAdapter;import java.util.ArrayList;import java.util.List;import butterknife.BindView;import butterknife.ButterKnife;public class MainActivity extends AppCompatActivity {    @BindView(R.id.recyclerView)    RecyclerView       mRecyclerView;    @BindView(R.id.swipeRefreshLayout)    SwipeRefreshLayout mSwipeRefreshLayout;    List<String> mDatas = new ArrayList<>();    private RefreshAdapter mRefreshAdapter;    private LinearLayoutManager mLinearLayoutManager;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        requestWindowFeature(Window.FEATURE_NO_TITLE);        setContentView(R.layout.activity_main);        ButterKnife.bind(this);        initView();        initData();        initListener();    }    private void initView() {        mSwipeRefreshLayout.setColorSchemeColors(Color.RED,Color.BLUE,Color.GREEN);    }    private void initData() {        for (int i = 0; i < 10; i++) {            mDatas.add(" Item "+i);        }        initRecylerView();    }    private void initRecylerView() {        mRefreshAdapter = new RefreshAdapter(this,mDatas);        mLinearLayoutManager = new LinearLayoutManager(this,LinearLayoutManager.VERTICAL,false);        mRecyclerView.setLayoutManager(mLinearLayoutManager);        mRecyclerView.setAdapter(mRefreshAdapter);    }    private void initListener() {        initPullRefresh();        initLoadMoreListener();    }    private void initPullRefresh() {        mSwipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {            @Override            public void onRefresh() {                new Handler().postDelayed(new Runnable() {                    @Override                    public void run() {                        List<String> headDatas = new ArrayList<String>();                        for (int i = 20; i <30 ; i++) {                            headDatas.add("Heard Item "+i);                        }                        mRefreshAdapter.AddHeaderItem(headDatas);                        //刷新完成                        mSwipeRefreshLayout.setRefreshing(false);                        Toast.makeText(MainActivity.this, "更新了 "+headDatas.size()+" 条目数据", Toast.LENGTH_SHORT).show();                    }                }, 3000);            }        });    }    private void initLoadMoreListener() {        mRecyclerView.setOnScrollListener(new RecyclerView.OnScrollListener() {            int lastVisibleItem ;            @Override            public void onScrollStateChanged(RecyclerView recyclerView, int newState) {                super.onScrollStateChanged(recyclerView, newState);                //判断RecyclerView的状态 是空闲时，同时，是最后一个可见的ITEM时才加载                if(newState==RecyclerView.SCROLL_STATE_IDLE&&lastVisibleItem+1==mRefreshAdapter.getItemCount()){                    new Handler().postDelayed(new Runnable() {                        @Override                        public void run() {                            List<String> footerDatas = new ArrayList<String>();                            for (int i = 0; i< 10; i++) {                                footerDatas.add("footer  item" + i);                            }                            mRefreshAdapter.AddFooterItem(footerDatas);                            Toast.makeText(MainActivity.this, "更新了 "+footerDatas.size()+" 条目数据", Toast.LENGTH_SHORT).show();                        }                    }, 3000);                }            }            @Override            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {                super.onScrolled(recyclerView, dx, dy);               LinearLayoutManager layoutManager = (LinearLayoutManager) recyclerView.getLayoutManager();                //最后一个可见的ITEM                lastVisibleItem=layoutManager.findLastVisibleItemPosition();            }        });    }}

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"              android:id="@+id/loadLayout"              android:padding="10dp"              android:layout_width="match_parent"              android:layout_height="wrap_content"              android:gravity="center"              android:orientation="vertical">    <RelativeLayout        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_marginBottom="5dip"        android:layout_marginTop="5dip"        android:gravity="center">        <ProgressBar            android:id="@+id/pbLoad"            android:layout_width="20dp"            android:layout_height="20dp"            android:layout_centerVertical="true"            android:indeterminate="false"/>        <TextView            android:id="@+id/tvLoadText"            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_centerInParent="true"            android:layout_centerVertical="true"            android:layout_marginLeft="4dip"            android:layout_toRightOf="@id/pbLoad"            android:clickable="true"            android:text="魂牵梦萦 魂牵梦萦 "            android:textColor="#000000"            android:textSize="16sp"/>    </RelativeLayout></LinearLayout>

package com.liu.swiperefreshlayoutrecyclerviewdemo.adapter;import android.content.Context;import android.support.v7.widget.RecyclerView;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.LinearLayout;import android.widget.ProgressBar;import android.widget.TextView;import android.widget.Toast;import com.liu.swiperefreshlayoutrecyclerviewdemo.R;import java.util.List;import butterknife.BindView;import butterknife.ButterKnife;/** * Created by 刘楠 on 2016/9/10 0010.18:06 */public class RefreshAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {    Context        mContext;    LayoutInflater mInflater;    List<String>   mDatas;    private static final int TYPE_ITEM   = 0;    private static final int TYPE_FOOTER = 1;    //上拉加载更多    public static final int PULLUP_LOAD_MORE = 0;    //正在加载中    public static final int LOADING_MORE     = 1;    //没有加载更多 隐藏    public static final int NO_LOAD_MORE     = 2;    //上拉加载更多状态-默认为0    private int mLoadMoreStatus = 0;    public RefreshAdapter(Context context, List<String> datas) {        mContext = context;        mInflater = LayoutInflater.from(context);        mDatas = datas;    }    @Override    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {        if (viewType == TYPE_ITEM) {            View itemView = mInflater.inflate(R.layout.item_refresh_recylerview, parent, false);            return new ItemViewHolder(itemView);        } else if (viewType == TYPE_FOOTER) {            View itemView = mInflater.inflate(R.layout.load_more_footview_layout, parent, false);            return new FooterViewHolder(itemView);        }        return null;    }    @Override    public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {        if (holder instanceof ItemViewHolder) {            ItemViewHolder itemViewHolder = (ItemViewHolder) holder;            String         str            = mDatas.get(position);            itemViewHolder.mTvContent.setText(str);        } else if (holder instanceof FooterViewHolder) {            FooterViewHolder footerViewHolder = (FooterViewHolder) holder;            switch (mLoadMoreStatus) {                case PULLUP_LOAD_MORE:                    footerViewHolder.mTvLoadText.setText("上拉加载更多...");                    break;                case LOADING_MORE:                    footerViewHolder.mTvLoadText.setText("正加载更多...");                    break;                case NO_LOAD_MORE:                    //隐藏加载更多                    footerViewHolder.mLoadLayout.setVisibility(View.GONE);                    break;            }        }    }    @Override    public int getItemCount() {        //RecyclerView的count设置为数据总条数+ 1（footerView）        return mDatas.size() + 1;    }    @Override    public int getItemViewType(int position) {        if (position + 1 == getItemCount()) {            //最后一个item设置为footerView            return TYPE_FOOTER;        } else {            return TYPE_ITEM;        }    }    public class ItemViewHolder extends RecyclerView.ViewHolder {        @BindView(R.id.tvContent)        TextView mTvContent;        public ItemViewHolder(View itemView) {            super(itemView);            ButterKnife.bind(this, itemView);            initListener(itemView);        }        private void initListener(View itemView) {            itemView.setOnClickListener(new View.OnClickListener() {                @Override                public void onClick(View v) {                    Toast.makeText(mContext, "poistion " + getAdapterPosition(), Toast.LENGTH_SHORT).show();                }            });        }    }    public class FooterViewHolder extends RecyclerView.ViewHolder {        @BindView(R.id.pbLoad)        ProgressBar  mPbLoad;        @BindView(R.id.tvLoadText)        TextView     mTvLoadText;        @BindView(R.id.loadLayout)        LinearLayout mLoadLayout;        public FooterViewHolder(View itemView) {            super(itemView);            ButterKnife.bind(this,itemView);        }    }    public void AddHeaderItem(List<String> items) {        mDatas.addAll(0, items);        notifyDataSetChanged();    }    public void AddFooterItem(List<String> items) {        mDatas.addAll(items);        notifyDataSetChanged();    }    /**     * 更新加载更多状态     * @param status     */    public void changeMoreStatus(int status){        mLoadMoreStatus=status;        notifyDataSetChanged();    }}

  private void initLoadMoreListener() {        mRecyclerView.setOnScrollListener(new RecyclerView.OnScrollListener() {            int lastVisibleItem ;            @Override            public void onScrollStateChanged(RecyclerView recyclerView, int newState) {                super.onScrollStateChanged(recyclerView, newState);                //判断RecyclerView的状态 是空闲时，同时，是最后一个可见的ITEM时才加载                if(newState==RecyclerView.SCROLL_STATE_IDLE&&lastVisibleItem+1==mRefreshAdapter.getItemCount()){                    //设置正在加载更多                    mRefreshAdapter.changeMoreStatus(mRefreshAdapter.LOADING_MORE);                    new Handler().postDelayed(new Runnable() {                        @Override                        public void run() {                            List<String> footerDatas = new ArrayList<String>();                            for (int i = 0; i< 10; i++) {                                footerDatas.add("footer  item" + i);                            }                            mRefreshAdapter.AddFooterItem(footerDatas);                            //设置回到上拉加载更多                            mRefreshAdapter.changeMoreStatus(mRefreshAdapter.PULLUP_LOAD_MORE);                            Toast.makeText(MainActivity.this, "更新了 "+footerDatas.size()+" 条目数据", Toast.LENGTH_SHORT).show();                        }                    }, 3000);                }            }            @Override            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {                super.onScrolled(recyclerView, dx, dy);               LinearLayoutManager layoutManager = (LinearLayoutManager) recyclerView.getLayoutManager();                //最后一个可见的ITEM                lastVisibleItem=layoutManager.findLastVisibleItemPosition();            }        });    }