其实原理很简单，只需要设置监听listview的滚动事件即可，
01 package cn.stay.activity;
02 import java.util.ArrayList;
03 import java.util.List;
04 import com.aoran.R;
05 import android.app.Activity;
06 import android.os.Bundle;
07 import android.view.View;
08 import android.widget.AbsListView;
09 import android.widget.AbsListView.OnScrollListener;
10 import android.widget.LinearLayout;
11 import android.widget.ListView;
12 import android.widget.ProgressBar;
13
14 /**
15 * @author riddlezhang
16 * 滚动listview提示等待框
17 */
18 public class ListView_sep extends Activity implements OnScrollListener {
19
20 private List<String> list = new ArrayList<String>();
21 private ListView listv01;
22 private MyAdapter adapter;
23 private int current_page = 2;
24 ProgressBar progressBar;
25 private LinearLayout bottom_linear;
26 private int lastItem;
27
28 @Override
29 protected void onCreate(Bundle savedInstanceState) {
30 // TODO Auto-generated method stub
31 super.onCreate(savedInstanceState);
32 setContentView(R.layout.main);
33
34 listv01 = (ListView) findViewById(R.id.listv01);
35 bottom_linear=(LinearLayout) findViewById(R.id.bottom_linear);
36 for (int i = 0; i < 100; i++) {
37 list.add("i="+i);
38 }
39 adapter = new MyAdapter(ListView_sep.this, list);
40 listv01.setAdapter(adapter);
41 // listv01.setSelection(getSingerStrs().size()-1); 设置每次最后一行被选中
42 listv01.setOnScrollListener(this);
43 }
44 @Override
45 public void onScrollStateChanged(AbsListView view, int scrollState) {
46 if (lastItem==adapter.count && scrollState == OnScrollListener.SCROLL_STATE_IDLE) {
47 if ((list.size() - current_page * 10) > 0) {
48 bottom_linear.setVisibility(View.VISIBLE);
49 if ((list.size() - current_page * 10) >= 10) {
50 adapter.count += 10;
51 } else {
52 adapter.count += (list.size() - current_page * 10);
53 }
54 current_page++;
55 adapter.notifyDataSetChanged();
56 // bottom_linear.setVisibility(View.GONE);
57 }
58 }
59 }
60 @Override
61 public void onScroll(AbsListView view, int firstVisibleItem,
62 int visibleItemCount, int totalItemCount) {
63 lastItem=firstVisibleItem+visibleItemCount;
64 }
65 }
01 package cn.stay.activity;
02
03 import java.util.List;
04
05 import com.aoran.R;
06
07 import android.content.Context;
08 import android.view.LayoutInflater;
09 import android.view.View;
10 import android.view.ViewGroup;
11 import android.widget.BaseAdapter;
12 import android.widget.TextView;
13
14 public class MyAdapter extends BaseAdapter{
15 private Context mContext;
16 private List<String> list;
17 public int count=20;
18 private ViewHolder holder;
19
20 public MyAdapter(Context mContext,List<String> list) {
21 this.mContext=mContext;
22 this.list=list;
23 }
24 @Override
25 public int getCount() {
26 return count;
27 }
28
29 @Override
30 public Object getItem(int position) {
31 // TODO Auto-generated method stub
32 return list.get(position);
33 }
34
35 @Override
36 public long getItemId(int position) {
37 return position;
38 }
39
40 @Override
41 public View getView(int position, View convertView, ViewGroup parent) {
42 // TODO Auto-generated method stub
43 if(convertView==null || convertView.getTag()==null){
44 convertView=LayoutInflater.from(mContext).inflate(R.layout.adapter,null);
45 holder = new ViewHolder();
46 holder.adapter_tv=(TextView) convertView.findViewById(R.id.adapter_tv);
47 convertView.setTag(holder);
48 }else{
49 holder=(ViewHolder) convertView.getTag();
50 }
51 holder.adapter_tv.setText(list.get(position));
52 return convertView;
53 }
54
55 private class ViewHolder{
56 private TextView adapter_tv;
57 }
58 }
view sourceprint?
01 main.xml
02
03 <?xml version="1.0" encoding="utf-8"?>
04 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
05 android:orientation="vertical"
06 android:layout_width="fill_parent"
07 android:layout_height="fill_parent"
08 android:background="@drawable/project_main_bg"
09 >
10 <LinearLayout android:id="@+id/bottom_linear" android:layout_alignParentBottom="true" android:layout_width="fill_parent" android:layout_height="50dip" android:gravity="center" android:visibility="gone">
11 <ProgressBar android:layout_width="24dip" android:layout_height="24dip" android:layout_marginLeft="20dip" />
12 <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="正在加载，请稍后。。。" android:textColor="#FFFFFF" android:textSize="20sp" android:gravity="center"/>
13 </LinearLayout>
14 <ListView android:id="@+id/listv01" android:background="@null" android:layout_above="@id/bottom_linear" android:layout_width="fill_parent" android:layout_height="wrap_content" android:listSelector="#00000000" android:cacheColorHint="#00000000"/>
15 </RelativeLayout>
