代码：
ListViewActivity：
1 package com.vanceinfo.ListView;
2
3 import android.app.Activity;
4 import android.database.Cursor;
5 import android.graphics.Color;
6 import android.os.Bundle;
7 import android.provider.ContactsContract;
8 import android.provider.ContactsContract.PhoneLookup;
9 import android.view.View;
10 import android.widget.AdapterView;
11 import android.widget.LinearLayout;
12 import android.widget.ListAdapter;
13 import android.widget.ListView;
14 import android.widget.SimpleCursorAdapter;
15 import android.widget.Toast;
16
17 public class ListViewActivity extends Activity
18 {
19 LinearLayout mLinearLayout;
20
21 ListView mListView;
22
23 @Override
24 public void onCreate(Bundle savedInstanceState)
25 {
26 super.onCreate(savedInstanceState);
27 // setContentView(R.layout.main);
28 // 创建linearLayout布局对象
29 mLinearLayout = new LinearLayout(this);
30 // 设置布局LinearLayout的属性
31 mLinearLayout.setOrientation(LinearLayout.VERTICAL);
32 mLinearLayout.setBackgroundColor(android.graphics.Color.BLACK);
33 // 创建ListView对象
34 mListView = new ListView(this);
35 LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,
36 LinearLayout.LayoutParams.WRAP_CONTENT);
37 mListView.setBackgroundColor(Color.BLACK);
38 // 添加mListView到mLinearLayout布局
39 mLinearLayout.addView(mListView, params);
40 // 设置显示mLinearLayout
41 setContentView(mLinearLayout);
42 // 获取数据库Phones的Cursor
43 Cursor cursor = getContentResolver().query(ContactsContract.Contacts.CONTENT_URI, null, null, null, null);
44 startManagingCursor(cursor);
45 // ListAdapter是ListView和后台数据的桥梁
46 ListAdapter adapter = new SimpleCursorAdapter(this,
47 // 定义List中每一行的显示模板
48 // 表示每一行包含两个数据项
49 android.R.layout.simple_list_item_2,
50 // 数据库的Cursor对象
51 cursor,
52 // 从数据库的NAME和NUMBER两个列中取数据
53 new String[] {PhoneLookup.DISPLAY_NAME},
54 // 与NAME和NUMBER对应的Views
55 new int[] {android.R.id.text1});
56 // 将adpter添加到mListView中
57 mListView.setAdapter(adapter);
58 // 为mListView视图添加setOnItemSelectedListener监听
59 mListView.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener()
60 {
61
62 @Override
63 public void onItemSelected(AdapterView<?> parent, View view, int position, long id)
64 {
65 DisplayToast("滚动到第" + Long.toString(parent.getSelectedItemId()) + "项");
66 }
67
68 @Override
69 public void onNothingSelected(AdapterView<?> parent)
70 {
71 // 没有选中
72 }
73 });
74 // 为mListView视图添加setOnItemClickListener监听
75 mListView.setOnItemClickListener(new AdapterView.OnItemClickListener()
76 {
77
78 @Override
79 public void onItemClick(AdapterView<?> parent, View view, int position, long id)
80 {
81 DisplayToast("选中了第" + Integer.toString(position + 1) + "项");
82 }
83 });
84 }
85
86 // 显示Toast
87 public void DisplayToast(String string)
88 {
89 Toast.makeText(this, string, Toast.LENGTH_SHORT).show();
90 }
91 }
在AndroidManifest.xml中添加权限：
1 <?xml version="1.0" encoding="utf-8"?>
2 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
3 package="com.vanceinfo.ListView"
4 android:versionCode="1"
5 android:versionName="1.0">
6 <uses-sdk android:minSdkVersion="8" />
7
8 <application android:icon="@drawable/icon" android:label="@string/app_name">
9 <activity android:name="ListViewActivity"
10 android:label="@string/app_name">
11 <intent-filter>
12 <action android:name="android.intent.action.MAIN" />
13 <category android:name="android.intent.category.LAUNCHER" />
14 </intent-filter>
15 </activity>
16 </application>
17 <!--获得了电话本数据，需要在AndroidManifest.xml中加上权限 -->
18 <uses-permission android:name="android.permission.READ_CONTACTS"/>
19 </manifest>
效果图
