RecycleView在eclipse的初体验

在sdk中找到v7包

\sdk\extras\android\support\v7\recyclerview

导入工程

Import\Android\Existing Android Code Into Workspace

将导入的recycleview作为依赖库Library

工程上右键properties,勾选is Library，Apply，ok

将recycleview\libs\android_support_v7_recycleview.jar包复制粘贴到主工程的libs文件夹下

在layout中使用<android.support.v7.widget.RecyclerView/>标签

MainActivity

 package com.jiatu.recyclerviewtest;

 import java.util.ArrayList;
 import java.util.List;
 import android.app.Activity;
 import android.content.Context;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
 import android.support.v7.widget.DefaultItemAnimator;
 import android.support.v7.widget.LinearLayoutManager;
 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;

 public class MainActivity extends Activity {
     private RecyclerView recyclerView;
     private List<Person> list = new ArrayList<Person>();
     private LinearLayoutManager mLayoutManager;
     // private GridLayoutManager mGridLayoutManager;

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
         recyclerView = (RecyclerView) findViewById(R.id.recycler_view_test_rv);
         recyclerView.setHasFixedSize(true); // 固定item的高或者宽，提高性能
         recyclerView.setItemAnimator(new DefaultItemAnimator());
         recyclerView.addItemDecoration(new MyDecoration(this, MyDecoration.VERTICAL_LIST));

         mLayoutManager = new LinearLayoutManager(this);
         // 设置list的方向，默认是垂直
         // mLayoutManager.setOrientation(LinearLayoutManager.HORIZONTAL);

         // 5，spanCount:列数
         // mGridLayoutManager = new GridLayoutManager(this, 5);

         recyclerView.setLayoutManager(mLayoutManager);

         initData();
         setPersonAdapter();

     }

     /**
      * 设置适配器
      */
     private void setPersonAdapter() {
         final PersonAdapter adapter = new PersonAdapter(this, list);
         adapter.setOnRecyclerViewListener(new OnRecyclerViewListener() {

             @Override
             public boolean onItemLongClick(int position) {
                 adapter.addData(position);
                 Toast.makeText(MainActivity.this, "吼吼吼吼吼", Toast.LENGTH_SHORT).show();
                 return true;
             }

             @Override
             public void onItemClick(int position) {
                 adapter.removeData(position);
                 Toast.makeText(MainActivity.this, "哈哈哈哈哈", Toast.LENGTH_SHORT).show();
             }
         });

         recyclerView.setAdapter(adapter);
     }

     /**
      * RecyclerView的单击和长按事件监听
      *
      * @author fans created on 2016年11月3日
      *
      */
     public interface OnRecyclerViewListener {
         void onItemClick(int position);

         boolean onItemLongClick(int position);
     }

     /**
      * 适配器
      *
      * @author fans created on 2016年11月3日
      *
      */
     class PersonAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {

         private OnRecyclerViewListener onRecyclerViewListener;

         public void setOnRecyclerViewListener(OnRecyclerViewListener onRecyclerViewListener) {
             this.onRecyclerViewListener = onRecyclerViewListener;
         }

         private List<Person> list = new ArrayList<Person>();
         private Context context;

         public PersonAdapter(Context context, List<Person> list) {
             this.context = context;
             this.list = list;
         }

         /**
          * 增加一个item
          *
          * @param position
          */
         public void addData(int position) {
             list.add(position, new Person("fans+", 23));
             notifyItemInserted(position);
             notifyItemRangeChanged(position, list.size());
         }

         /**
          * 删减一个item
          *
          * @param position
          */
         public void removeData(int position) {
             list.remove(position);
             notifyDataSetChanged();
             notifyItemRemoved(position);
             notifyItemRangeChanged(position, list.size());
         }

         @Override
         public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int i) {
             View view = LayoutInflater.from(context).inflate(R.layout.item, parent, false);
             return new PersonViewHolder(view);
         }

         @Override
         public void onBindViewHolder(RecyclerView.ViewHolder viewHolder, int i) {
             PersonViewHolder holder = (PersonViewHolder) viewHolder;
             holder.position = i;
             Person person = list.get(i);
             holder.tv.setText(person.name);

         }

         @Override
         public int getItemCount() {
             return list.size();
         }

         /**
          * 自定义holder
          *
          * @author fans created on 2016年11月4日
          *
          */
         class PersonViewHolder extends RecyclerView.ViewHolder
                 implements View.OnClickListener, View.OnLongClickListener {
             public View rootView;
             TextView tv;
             public int position;

             public PersonViewHolder(View itemView) {
                 super(itemView);
                 tv = (TextView) itemView.findViewById(R.id.list_item);
                 rootView = itemView.findViewById(R.id.recycler_view_test_item_person_view);
                 rootView.setOnClickListener(this);
                 rootView.setOnLongClickListener(this);
             }

             @Override
             public void onClick(View v) {
                 if (null != onRecyclerViewListener) {
                     onRecyclerViewListener.onItemClick(position);
                 }
             }

             @Override
             public boolean onLongClick(View v) {
                 if (null != onRecyclerViewListener) {
                     return onRecyclerViewListener.onItemLongClick(position);
                 }
                 return false;
             }
         }

     }

     /**
      * 填充数据
      */
     private void initData() {
         for (int i = 0; i < 10; i++) {
             list.add(new Person("fans" + i, 10 + i));
         }
     }

     class Person {
         public String name;
         public int age;

         public Person(String name, int age) {
             super();
             this.name = name;
             this.age = age;
         }

     }

     /**
      * 自定义的分割线
      *
      * @author fans created on 2016年11月4日
      *
      */
     class MyDecoration extends RecyclerView.ItemDecoration {

         private Context mContext;
         private Drawable mDivider;
         private int mOrientation;
         public static final int HORIZONTAL_LIST = LinearLayoutManager.HORIZONTAL;
         public static final int VERTICAL_LIST = LinearLayoutManager.VERTICAL;

         // 我们通过获取系统属性中的listDivider来添加，在系统中的AppTheme中设置
         public final int[] ATRRS = new int[] { android.R.attr.listDivider };

         public MyDecoration(Context context, int orientation) {
             this.mContext = context;
             final TypedArray ta = context.obtainStyledAttributes(ATRRS);
             this.mDivider = ta.getDrawable(0);
             ta.recycle();
             setOrientation(orientation);
         }

         // 设置屏幕的方向
         public void setOrientation(int orientation) {
             if (orientation != HORIZONTAL_LIST && orientation != VERTICAL_LIST) {
                 throw new IllegalArgumentException("invalid orientation");
             }
             mOrientation = orientation;
         }

         @Override
         public void onDraw(Canvas c, RecyclerView parent, RecyclerView.State state) {
             if (mOrientation == HORIZONTAL_LIST) {
                 drawVerticalLine(c, parent, state);
             } else {
                 drawHorizontalLine(c, parent, state);
             }
         }

         // 画横线, 这里的parent其实是显示在屏幕显示的这部分
         public void drawHorizontalLine(Canvas c, RecyclerView parent, RecyclerView.State state) {
             int left = parent.getPaddingLeft();
             int right = parent.getWidth() - parent.getPaddingRight();
             final int childCount = parent.getChildCount();
             for (int i = 0; i < childCount; i++) {
                 final View child = parent.getChildAt(i);

                 // 获得child的布局信息
                 final RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
                 final int top = child.getBottom() + params.bottomMargin;
                 final int bottom = top + mDivider.getIntrinsicHeight();
                 mDivider.setBounds(left, top, right, bottom);
                 mDivider.draw(c);
                 // Log.d("wnw", left + " " + top + " "+right+" "+bottom+" "+i);
             }
         }

         // 画竖线
         public void drawVerticalLine(Canvas c, RecyclerView parent, RecyclerView.State state) {
             int top = parent.getPaddingTop();
             int bottom = parent.getHeight() - parent.getPaddingBottom();
             final int childCount = parent.getChildCount();
             for (int i = 0; i < childCount; i++) {
                 final View child = parent.getChildAt(i);

                 // 获得child的布局信息
                 final RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
                 final int left = child.getRight() + params.rightMargin;
                 final int right = left + mDivider.getIntrinsicWidth();
                 mDivider.setBounds(left, top, right, bottom);
                 mDivider.draw(c);
             }
         }

         // 由于Divider也有长宽高，每一个Item需要向下或者向右偏移
         @Override
         public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
             if (mOrientation == HORIZONTAL_LIST) {
                 // 画横线，就是往下偏移一个分割线的高度
                 outRect.set(0, 0, 0, mDivider.getIntrinsicHeight());
             } else {
                 // 画竖线，就是往右偏移一个分割线的宽度
                 outRect.set(0, 0, mDivider.getIntrinsicWidth(), 0);
             }
         }
     }
 }

layout

 <RelativeLayout 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"
     tools:context="${relativePackage}.${activityClass}" >

     <android.support.v7.widget.RecyclerView
         android:id="@+id/recycler_view_test_rv"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:background="#bbccaa"
         android:scrollbars="vertical" />

 </RelativeLayout>

item

 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/recycler_view_test_item_person_view"
     android:layout_width="match_parent"
     android:layout_height="50dp"
     android:layout_margin="16sp"
     android:orientation="vertical" >

     <TextView
         android:id="@+id/list_item"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:background="#08da1d"
         android:gravity="center"
         android:textColor="#f7f4f7"
         android:textSize="20sp" />

 </LinearLayout>