public int getItemCount() {
// TODO Auto-generated method stub
return list.size() + 1;
}
@Override
public void onBindViewHolder(ViewHolder holder, final int pos) {
// TODO Auto-generated method stub
if (holder instanceof ItemHolder) {
((ItemHolder) holder).mtv.setText(list.get(pos));
final Integer tag=new Integer(pos);
((ItemHolder) holder).mcb.setTag(tag);
if(map.containsKey(tag)){
((ItemHolder) holder).mcb.setChecked(map.get(tag));
}else{
((ItemHolder) holder).mcb.setChecked(false);
}
((ItemHolder) holder).mcb.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
// TODO Auto-generated method stub
if(!isChecked){
map.put(tag, true);
}else{
map.put(tag, false);
}
}
});
}
if (holder instanceof FooterHolder) {
//判断底部视图加载状态
switch (loadState) {
case LOADING:
((FooterHolder) holder).mpb.setVisibility(View.VISIBLE);
((FooterHolder) holder).mtv.setText(“正在加载更多数据…”);
break;
case NO_MORE:
((FooterHolder) holder).mpb.setVisibility(View.GONE);
((FooterHolder) holder).mtv.setText(“没有更多数据了…”);
break;
}
}
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
// TODO Auto-generated method stub
//根据viewHolder判断布局的加载
switch (viewType) {
case ITEM_VIEW:
View v = LayoutInflater.from(context).inflate(R.layout.item,
parent, false);
ItemHolder holder = new ItemHolder(v);
return holder;
case FOOTER_VIEW:
View fv = LayoutInflater.from(context).inflate(R.layout.footer,
parent, false);
FooterHolder fholder = new FooterHolder(fv);
return fholder;
}
return null;
}
}
class ItemHolder extends ViewHolder {
public TextView mtv;
public CheckBox mcb;
public ItemHolder(View v) {
super(v);
// TODO Auto-generated constructor stub
mtv = (TextView) v.findViewById(R.id.mtv);
mcb=(CheckBox) v.findViewById(R.id.mcb);
}
}
class FooterHolder extends ViewHolder {
public ProgressBar mpb;
public TextView mtv;
public FooterHolder(View v) {
super(v);
// TODO Auto-generated constructor stub
mpb = (ProgressBar) v.findViewById(R.id.mpb);
mtv = (TextView) v.findViewById(R.id.mtv);
}
}
然后就是MainActivity中的代码：
package com.example.cn.bgs.swiprecycleviewdemo;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import android.os.Bundle;
import android.os.Handler;
import android.app.Activity;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v4.widget.SwipeRefreshLayout.OnRefreshListener;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.RecyclerView.OnScrollListener;
import android.view.Menu;
public class MainActivity extends Activity {
private RecyclerView mrv;
private SwipeRefreshLayout mswip;
private MyAdapter adapter;
//判断是否加载数据
private boolean isLoading;
//当前页面能见的最后一个item的id
private int lastId;
private int state;
private LinearLayoutManager linearManager;
//能显示的数据最大值
private int maxSize = 48;
//底部视图的两种状态
private static final int LOADING = 3;
private static final int NO_MORE = 4;
private List list = new ArrayList();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mrv = (RecyclerView) findViewById(R.id.mrv);
linearManager = new LinearLayoutManager(this);
mswip = (SwipeRefreshLayout) findViewById(R.id.mswip);
list = new ArrayList();
for (int i = 0; i < 20; i++) {
list.add(“item” + i);
}
adapter = new MyAdapter(this, list);
mrv.setAdapter(adapter);
ter(adapter);
