RecyclerView和PullToRefreshListView的对比

项目中上拉刷新和下拉加载一直都是比较常见的；以前一般都是重写ListView或直接用PullToRefreshListView的框架；最近尝试用RecyclerView来实现下拉加载上拉刷新也是不错的。

如图是Demo的效果图：

第一个效果图是用RecyclerView实现加的几个静态数据；

第二个是参考别人写的RefreshRecyclerView来实现上拉刷新下拉加载；我只是把他的静态数据改成网络的数据；不过原先那个有点问题我发现在2次以上的刷新加载后布局会混乱刷新的item竟然复制了一份漂浮在界面上方跟着屏幕一起在滑动！感觉蛮好玩的

第三个是用的PullToRefreshListView来实现的数据和第二个一样都是网络接数据

demo的下载地址：http://download.csdn.net/detail/qq_29774291/9648634

如下是主要代码

 package com.item.my.jiejie.activity;

 import java.util.ArrayList;

 import java.util.List;

 import com.item.my.jiejie.R;

 import com.item.my.jiejie.adpter.MyAdapterThree;

 import com.item.my.jiejie.adpter.MyAdapterThree.OnItemClickListener;

 import com.item.my.jiejie.view.DividerItemDecoration;

 import android.app.Activity;

 import android.os.Bundle;

 import android.support.v7.widget.DefaultItemAnimator;

 import android.support.v7.widget.LinearLayoutManager;

 import android.support.v7.widget.RecyclerView;

 import android.widget.Toast;

 /**

  * 用RecyclerView实现

  * @author Administrator

  *

  */

 public class MyRecyleActivity extends Activity{

     private RecyclerView mRecyclerView;

     private List<String> mDataStrings;

     private MyAdapterThree adapter;

     @Override

     protected void onCreate(Bundle savedInstanceState) {

         // TODO Auto-generated method stub

         super.onCreate(savedInstanceState);

         setContentView(R.layout.activity_myrecyle);

         initData();

         mRecyclerView = (RecyclerView)findViewById(R.id.my_recyler);

         mRecyclerView.setLayoutManager(new LinearLayoutManager(this));

         adapter = new MyAdapterThree(this, mDataStrings);

         mRecyclerView.setAdapter(adapter);

         //即给RecyclerView添加分隔线

         mRecyclerView.addItemDecoration(new DividerItemDecoration(MyRecyleActivity.this, LinearLayoutManager.VERTICAL));

         //设置RecyclerView添加或删除条目的动画

         mRecyclerView.setItemAnimator(new DefaultItemAnimator());

         //给RecyclerView设置点击事件

         adapter.setOnItemClickListener(new OnItemClickListener() {

             @Override

             public void onLongClick(int position) {

                 // TODO Auto-generated method stub

                 Toast.makeText(MyRecyleActivity.this, "onLongClick你点击了：" + position, Toast.LENGTH_SHORT).show();

             }

             @Override

             public void onClick(int position) {

                 // TODO Auto-generated method stub

                 Toast.makeText(MyRecyleActivity.this, "onClick 你点击了：" + position, Toast.LENGTH_SHORT).show();

             }

         });

     }

     /**

      * 添加数据

      */

     private void initData() {

         // TODO Auto-generated method stub

         mDataStrings = new ArrayList<String>();

         for (int i = 'A'; i < 'z'; i++)

         {

             mDataStrings.add("" + (char) i);

         }

     }

 }

 package com.item.my.jiejie.adpter;

 import java.util.List;

 import android.content.Context;

 import android.support.v7.widget.RecyclerView;

 import android.support.v7.widget.RecyclerView.ViewHolder;

 import android.view.LayoutInflater;

 import android.view.View;

 import android.view.ViewGroup;

 import android.view.View.OnClickListener;

 import android.view.View.OnLongClickListener;

 import android.widget.TextView;

 import com.item.my.jiejie.R;

 public class MyAdapterThree extends RecyclerView.Adapter<MyAdapterThree.MyViewHolder> {

     private Context mcontext;

     private List<String> data;

     private LayoutInflater inflater;

     private OnItemClickListener mOnItemClickListener;

     public interface OnItemClickListener {

         void onClick(int position);

         void onLongClick(int position);

     }

     public void setOnItemClickListener(OnItemClickListener onItemClickListener) {

         this.mOnItemClickListener = onItemClickListener;

     }

     public MyAdapterThree(Context context, List<String> data) {

         this.mcontext = context;

         this.data = data;

         inflater = LayoutInflater.from(mcontext);

     }

     class MyViewHolder extends ViewHolder {

         private TextView tv;

         public MyViewHolder(View view) {

             super(view);

             tv = (TextView) view.findViewById(R.id.id_num);

         }

     }

     @Override

     public int getItemCount() {

         // TODO Auto-generated method stub

         return data.size();

     }

     @Override

     public void onBindViewHolder(MyViewHolder holder, final int position) {

         // TODO Auto-generated method stub

         holder.tv.setText(data.get(position));

         if (mOnItemClickListener != null) {

             holder.itemView.setOnClickListener(new OnClickListener() {

                 @Override

                 public void onClick(View v) {

                     mOnItemClickListener.onClick(position);

                 }

             });

             holder.itemView.setOnLongClickListener(new OnLongClickListener() {

                 @Override

                 public boolean onLongClick(View v) {

                     mOnItemClickListener.onLongClick(position);

                     return false;

                 }

             });

         }

     }

     @Override

     public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {

         // TODO Auto-generated method stub

         View view = inflater.inflate(R.layout.item_myrecyle, parent,false);

         MyViewHolder holder = new MyViewHolder(view);

         return holder;

     }

 }

重新RecyclerView来实现上拉刷新下拉加载

 package com.item.my.jiejie.activity;

 import java.util.ArrayList;

 import java.util.List;

 import org.xutils.x;

 import org.xutils.common.Callback;

 import org.xutils.http.RequestParams;

 import com.google.gson.Gson;

 import com.google.gson.JsonArray;

 import com.google.gson.JsonElement;

 import com.google.gson.JsonObject;

 import com.google.gson.JsonParser;

 import com.item.my.jiejie.R;

 import com.item.my.jiejie.adpter.MyAdapterOne;

 import com.item.my.jiejie.entity.Item;

 import com.item.my.jiejie.view.RefreshRecyclerView;

 import com.item.my.jiejie.view.RefreshRecyclerView.OnLoadMoreListener;

 import android.app.Activity;

 import android.os.Bundle;

 import android.os.Handler;

 import android.support.v4.widget.SwipeRefreshLayout;

 import android.support.v4.widget.SwipeRefreshLayout.OnRefreshListener;

 import android.support.v7.widget.LinearLayoutManager;

 import android.widget.Toast;

 /**

  * 实现

  * @author Administrator

  *

  */

 public class RecycleActivity extends Activity{

     private RefreshRecyclerView recyclerView;

     private SwipeRefreshLayout mRefreshLayout;

     private List<Item> lists = new ArrayList<Item>();

     private MyAdapterOne adapter;

     private int page= 0;

     @Override

     protected void onCreate(Bundle savedInstanceState) {

         // TODO Auto-generated method stub

         super.onCreate(savedInstanceState);

         setContentView(R.layout.activity_recyle);

         recyclerView = (RefreshRecyclerView)findViewById(R.id.lv_recycler);

         mRefreshLayout = (SwipeRefreshLayout)findViewById(R.id.swipe_refresh_widget);

         mRefreshLayout.setColorSchemeResources(android.R.color.holo_red_light,android.R.color.holo_blue_light,android.R.color.holo_green_light);

         //允许加载更多

         recyclerView.setLoadMoreEnable(true);

         //设置脚布局

         recyclerView.setFooterResource(R.layout.item_footer);

         final LinearLayoutManager layoutManager = new LinearLayoutManager(this);

         recyclerView.setLayoutManager(layoutManager);

         page = 1;

         //默认加载第一个页

         getHttp(page);

         adapter = new MyAdapterOne(this, lists);

         recyclerView.setAdapter(adapter);

         mRefreshLayout.setOnRefreshListener(new OnRefreshListener() {

             @Override

             public void onRefresh() {

                 // TODO Auto-generated method stub

                 page =1;

                 lists.clear();

                 getHttp(page);

                 mRefreshLayout.setRefreshing(false);

             }

         });

         recyclerView.setOnLoadMoreListener(new OnLoadMoreListener() {

             @Override

             public void loadMoreListener() {

                 // TODO Auto-generated method stub

                 page++;

                 System.out.println("加载更多" + page);

                 new Handler().postDelayed(new Runnable() {

                     @Override

                     public void run() {

                         // TODO Auto-generated method stub

                         getHttp(page);

                     }

                 }, 1000);

             }

         });

     }

     /**

      * 网络请求加载数据

      * @param page2 页数

      */

     private String urlString = "http://111.39.245.156:8080/ccos/ddzx/getProjectByCom.appDo";

     private void getHttp(int page){

         RequestParams params = new RequestParams(urlString);

         params.addBodyParameter("pageSize", "6");

         params.addBodyParameter("pageNo", page + "");

         params.addBodyParameter("pageOn", "" + true);

         params.addBodyParameter("comId", "13");

         x.http().post(params, new Callback.CommonCallback<String>() {

             @Override

             public void onCancelled(CancelledException arg0) {

                 // TODO Auto-generated method stub

             }

             @Override

             public void onError(Throwable arg0, boolean arg1) {

                 // TODO Auto-generated method stub

                 System.out.println("请求失败" +arg0);

                 recyclerView.notifyData();

             }

             @Override

             public void onFinished() {

                 // TODO Auto-generated method stub

             }

             @Override

             public void onSuccess(String arg0) {

                 // TODO Auto-generated method stub

                 System.out.println("请求成功" + arg0);

                 //lists.clear();

                 try {

                     JsonParser parser = new JsonParser();

                     JsonElement element = parser.parse(arg0);

                     JsonObject root = element.getAsJsonObject();

                     JsonArray array = root.getAsJsonArray("missionsList");

                     for(JsonElement obj : array){

                         lists.add(new Gson().fromJson(obj, Item.class));

                         //recyclerView.notifyData();

                     }

                     if(lists.size()<1){

                         Toast.makeText(RecycleActivity.this, "暂无记录", Toast.LENGTH_SHORT).show();

                     }

                 } catch (Exception e) {

                     // TODO Auto-generated catch block

                     e.printStackTrace();

                 }finally{

                     recyclerView.notifyData();

                 }

             }

         });

     }

 }

用PullToRefreshListView 来实现上拉刷新下拉加载更多

 package com.item.my.jiejie.activity;

 import java.util.ArrayList;

 import java.util.List;

 import org.xutils.x;

 import org.xutils.common.Callback;

 import org.xutils.http.RequestParams;

 import com.google.gson.Gson;

 import com.google.gson.JsonArray;

 import com.google.gson.JsonElement;

 import com.google.gson.JsonObject;

 import com.google.gson.JsonParser;

 import com.handmark.pulltorefresh.library.PullToRefreshBase;

 import com.handmark.pulltorefresh.library.PullToRefreshBase.Mode;

 import com.handmark.pulltorefresh.library.PullToRefreshBase.OnRefreshListener2;

 import com.handmark.pulltorefresh.library.PullToRefreshListView;

 import com.item.my.jiejie.R;

 import com.item.my.jiejie.adpter.MyAdapterTwo;

 import com.item.my.jiejie.entity.Item;

 import android.app.Activity;

 import android.os.Bundle;

 import android.widget.ListView;

 import android.widget.Toast;

 /**

  * PullToRefreshListView 来实现上拉刷新下拉加载更多

  * @author Administrator

  *

  */

 public class PulltoActivity extends Activity{

     private PullToRefreshListView mListView;

     private int page = 0;

     private List<Item> lists = new ArrayList<Item>();

     private MyAdapterTwo adapter;

     @Override

     protected void onCreate(Bundle savedInstanceState) {

         // TODO Auto-generated method stub

         super.onCreate(savedInstanceState);

         setContentView(R.layout.activity_pullto);

         setView();

     }

     private void setView() {

         // TODO Auto-generated method stub

         mListView = (PullToRefreshListView)findViewById(R.id.lv_listviewtwo);

         mListView.setMode(Mode.BOTH);

         ListView listView = mListView.getRefreshableView();

         page = 1;

         getHttp(page);

         OnRefreshListener2<ListView> mListener2 = new OnRefreshListener2<ListView>() {

             @Override

             public void onPullDownToRefresh(

                     PullToRefreshBase<ListView> refreshView) {

                 // TODO Auto-generated method stub

                 lists.clear();

                 adapter.notifyDataSetChanged();

                 page = 1;

                 getHttp(page);

             }

             @Override

             public void onPullUpToRefresh(

                     PullToRefreshBase<ListView> refreshView) {

                 // TODO Auto-generated method stub

                 page++;

                 getHttp(page);

             }

         };

         mListView.setOnRefreshListener(mListener2);

         adapter = new MyAdapterTwo(PulltoActivity.this,lists);

         listView.setAdapter(adapter);

     }

     /**

      * 网络请求加载数据

      * @param page2 页数

      */

     private String urlString = "http://111.39.245.156:8080/ccos/ddzx/getProjectByCom.appDo";

     private void getHttp(int page2) {

         // TODO Auto-generated method stub

         RequestParams params = new RequestParams(urlString);

         params.addBodyParameter("pageSize", "6");

         params.addBodyParameter("pageNo", page2 + "");

         params.addBodyParameter("pageOn", "" + true);

         params.addBodyParameter("comId", "13");

         x.http().post(params, new Callback.CommonCallback<String>() {

             @Override

             public void onCancelled(CancelledException arg0) {

                 // TODO Auto-generated method stub

             }

             @Override

             public void onError(Throwable arg0, boolean arg1) {

                 // TODO Auto-generated method stub

                 System.out.println(arg0 + "请求失败");

                 adapter.notifyDataSetChanged();

                 mListView.postDelayed(new Runnable() {

                     @Override

                     public void run() {

                         // TODO Auto-generated method stub

                         mListView.onRefreshComplete();

                     }

                 }, 800);

             }

             @Override

             public void onFinished() {

                 // TODO Auto-generated method stub

             }

             @Override

             public void onSuccess(String arg0) {

                 // TODO Auto-generated method stub

                 System.out.println("请求成功 " +  arg0);

                 try {

                     JsonParser parser = new JsonParser();

                     JsonElement element = parser.parse(arg0);

                     JsonObject root = element.getAsJsonObject();

                     JsonArray array = root.getAsJsonArray("missionsList");

                     for(JsonElement obj : array){

                         lists.add(new Gson().fromJson(obj, Item.class));

                     }

                     if(lists.size()<1){

                         Toast.makeText(PulltoActivity.this, "暂无记录", Toast.LENGTH_SHORT).show();

                     }

                 } catch (Exception e) {

                     // TODO Auto-generated catch block

                     e.printStackTrace();

                 }finally{

                     adapter.notifyDataSetChanged();

                     mListView.postDelayed(new Runnable() {

                         @Override

                         public void run() {

                             // TODO Auto-generated method stub

                             mListView.onRefreshComplete();

                         }

                     }, 800);

                 }

             }

         });

     }

 }

 package com.item.my.jiejie.adpter;

 import java.text.DateFormat;

 import java.text.SimpleDateFormat;

 import java.util.Date;

 import java.util.List;

 import java.util.Locale;

 import com.item.my.jiejie.R;

 import com.item.my.jiejie.entity.Item;

 import android.content.Context;

 import android.text.TextUtils;

 import android.view.View;

 import android.view.ViewGroup;

 import android.widget.BaseAdapter;

 import android.widget.TextView;

 /**

  * 第二个的适配器

  *

  * @author Administrator

  *

  */

 public class MyAdapterTwo extends BaseAdapter {

     private Context context;

     private List<Item> list;

     public MyAdapterTwo(Context context, List<Item> list) {

         this.context = context;

         this.list = list;

     }

     @Override

     public int getCount() {

         // TODO Auto-generated method stub

         if (list != null) {

             return list.size();

         } else {

             return 0;

         }

     }

     @Override

     public Object getItem(int arg0) {

         // TODO Auto-generated method stub

         return null;

     }

     @Override

     public long getItemId(int arg0) {

         // TODO Auto-generated method stub

         return 0;

     }

     @Override

     public View getView(int arg0, View arg1, ViewGroup arg2) {

         // TODO Auto-generated method stub

         ViewHolder holder = null;

         if (arg1 == null) {

             holder = new ViewHolder();

             arg1 = View.inflate(context, R.layout.item_mytwo, null);

             holder.tv_place = (TextView) arg1.findViewById(R.id.item_place);

             holder.tv_code = (TextView) arg1.findViewById(R.id.item_code);

             holder.tv_time = (TextView) arg1.findViewById(R.id.item_time);

             arg1.setTag(holder);

         } else {

             holder = (ViewHolder) arg1.getTag();

         }

         Date time = new Date(list.get(arg0).getRequireDtime());

         DateFormat df = new SimpleDateFormat("yy-MM-dd HH:mm",Locale.getDefault());

         String resultTime = df.format(time);

         String misName = list.get(arg0).getMisName();

         if(!TextUtils.isEmpty(misName)){

             holder.tv_place.setText(misName + "");

         }else {

             holder.tv_place.setText("该地点暂无名称");

         }

         holder.tv_code.setText(list.get(arg0).getCurLoad() + "/"

                 + list.get(arg0).getRequireAmount());

         holder.tv_time.setText(resultTime);

         return arg1;

     }

     static class ViewHolder {

         private TextView tv_place;

         private TextView tv_code;

         private TextView tv_time;

     }

 }

补充：当我们需要ScrollView上下拉刷新

提供2种简单的方式

第一种用PullToRefreshScrollView

    <com.handmark.pulltorefresh.library.PullToRefreshScrollView

        android:id="@+id/pull_my_scrollview"

        android:layout_width="match_parent"

        android:layout_height="match_parent"

        ptr:ptrAnimationStyle="flip"

        ptr:ptrDrawable="@drawable/pull_icon_big"

        ptr:ptrHeaderBackground="#6593CB"

        ptr:ptrHeaderTextColor="#FFFFFF" >

        <LinearLayout

            android:layout_width="match_parent"

            android:layout_height="wrap_content"

            android:orientation="vertical" >

        mRefreshScrollView = (PullToRefreshScrollView) findViewById(R.id.pull_my_scrollview);

        tv_text = (TextView) findViewById(R.id.tv_text);

        mRefreshScrollView.setMode(Mode.PULL_FROM_START);

        // 上拉监听函数

        mRefreshScrollView

                .setOnRefreshListener(new OnRefreshListener<ScrollView>() {

                    @Override

                    public void onRefresh(

                            PullToRefreshBase<ScrollView> refreshView) {

                        // TODO Auto-generated method stub

                        String label = DateUtils.formatDateTime(ScrollActivity.this.getApplicationContext(),

                                System.currentTimeMillis(),

                                DateUtils.FORMAT_SHOW_TIME | DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_ABBREV_ALL);

                        // Update the LastUpdatedLabel

                        refreshView.getLoadingLayoutProxy().setLastUpdatedLabel(label);

                        getHttp();

                    }

                });
//mRefreshScrollView.setRefreshing(true);

第二种用android.support.v4.widget.SwipeRefreshLayout

<?xml version="1.0" encoding="utf-8"?>

<android.support.v4.widget.SwipeRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:id="@+id/swipe"

    android:layout_width="match_parent"

    android:layout_height="match_parent" >

    <ScrollView

        android:layout_width="match_parent"

        android:layout_height="wrap_content" >

        <LinearLayout

            android:layout_width="match_parent"

            android:layout_height="wrap_content"

            android:orientation="vertical" >

            <TextView

                android:id="@+id/tv_swipe"

                android:layout_width="match_parent"

                android:layout_height="wrap_content"

                android:text="wodsdfsf" />

        </LinearLayout>

    </ScrollView>

</android.support.v4.widget.SwipeRefreshLayout>

package com.item.jiejie.activity;

import com.item.jiejie.R;

import android.app.Activity;

import android.os.Bundle;

import android.support.v4.widget.SwipeRefreshLayout;

import android.support.v4.widget.SwipeRefreshLayout.OnRefreshListener;

import android.widget.TextView;

/**

 * SwipeRefreshLayout

 *

 * @author Administrator

 *

 */

public class SwipeActivity extends Activity {

    private SwipeRefreshLayout swipeLayout;

    private TextView tv_sView;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        // TODO Auto-generated method stub

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_swipe);

        swipeLayout = (SwipeRefreshLayout)findViewById(R.id.swipe);

        tv_sView =(TextView)findViewById(R.id.tv_swipe);

        swipeLayout.setColorSchemeResources(android.R.color.holo_red_light,android.R.color.holo_blue_light,android.R.color.holo_green_light);

        swipeLayout.setOnRefreshListener(new OnRefreshListener() {

            @Override

            public void onRefresh() {

                // TODO Auto-generated method stub

                tv_sView.setText("刷新完成");

                swipeLayout.postDelayed(new Runnable() {

                    @Override

                    public void run() {

                        // TODO Auto-generated method stub

                        swipeLayout.setRefreshing(false);

                    }

                }, 2000);

                System.out.println("1");

            }

        });

    }

}

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