android操作通讯录的联系人

界面配置文件

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent" >
    <TextView 
        android:id="@+id/text"
        android:textSize="30px"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:text="手机联系人列表"/>
    <ListView 
        android:id="@+id/contactslist"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"/>
</LinearLayout>

SimpleAdapter的配置文件

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="horizontal" >
    <TextView
        android:id="@+id/_id"
        android:textSize="30px"
        android:layout_width="240px"
        android:layout_height="wrap_content"/>
<TextView
        android:id="@+id/name"
        android:textSize="30px"
        android:layout_width="240px"
        android:layout_height="wrap_content"/>
</LinearLayout>

Acitivity程序

package com.example.contactproject;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.app.Activity;
import android.database.Cursor;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.Toast;
public class MainActivity extends Activity {
private ListView contactslist=null;
private SimpleAdapter simpleadapter=null;
private Cursor result=null;
private List<Map<String, Object>> allContacts=new ArrayList<Map<String,Object>>();
@Override
public boolean onContextItemSelected(MenuItem item) {//选中某个菜单项
AdapterView.AdapterContextMenuInfo info=(AdapterView.AdapterContextMenuInfo)
item.getMenuInfo();//取得菜单项
int position=info.position;//取得操作ID
String contactsId=this.allContacts.get(position).get("_id").toString();//取得数据ID
switch(item.getItemId()){//判断菜单项ID
case Menu.FIRST+1://查询数据
String phoneSelection=ContactsContract.CommonDataKinds.Phone.CONTACT_ID+"=?";//设置查询条件
   String[] phoneSelectionAras=new String[]{contactsId}; //查询参数
   Cursor result=super.getContentResolver().query(
   ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
   null, phoneSelection, phoneSelectionAras, null);//获得查询的手机号码
   StringBuffer buf=new StringBuffer();//用于接受号码
   buf.append("电话号码是："); 
   for(result.moveToFirst();!result.isAfterLast();result.moveToNext()){//循环取出数据
   buf.append(result.getString(result.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER))+"\\");
   }
   Toast.makeText(this, buf.toString(), Toast.LENGTH_LONG).show();
break;
case Menu.FIRST+2://删除数据 
super.getContentResolver().delete(Uri.withAppendedPath(
ContactsContract.Contacts.CONTENT_URI,
contactsId), 
null, null);//删除指定数据
   this.allContacts.remove(position);//删除数据项
   this.simpleadapter.notifyDataSetChanged();//更新列表项
   Toast.makeText(this, "数据已经删除", Toast.LENGTH_LONG).show();
break;
}
return super.onContextItemSelected(item);
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v,
ContextMenuInfo menuInfo) {//创建上下文菜单
super.onCreateContextMenu(menu, v, menuInfo);
menu.setHeaderTitle("联系人操作");
menu.add(Menu.NONE, Menu.FIRST+1, 1, "查看详情");
menu.add(Menu.NONE, Menu.FIRST+2, 2, "删除联系人");
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
super.setContentView(R.layout.activity_main);
this.contactslist=(ListView)super.findViewById(R.id.contactslist);
this.result=super.getContentResolver().query(
ContactsContract.Contacts.CONTENT_URI,
null, null, null, null);
super.startManagingCursor(result);
for(result.moveToFirst();!result.isAfterLast();result.moveToNext()){
Map<String,Object> map=new HashMap<String, Object>();
map.put("_id",result.getInt(result.getColumnIndex(
ContactsContract.Contacts._ID)));
map.put("name", result.getString(result.getColumnIndex(
ContactsContract.Contacts.DISPLAY_NAME)));
this.allContacts.add(map);
}
this.simpleadapter=new SimpleAdapter(
this, this.allContacts,
R.layout.contacts,
new String[]{"_id","name"},
new int[]{R.id._id,R.id.name});
this.contactslist.setAdapter(this.simpleadapter);
this.registerForContextMenu(this.contactslist);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}

权限设置

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.contactproject"
    android:versionCode="1"
    android:versionName="1.0" >

<uses-sdk
        android:minSdkVersion="10"
        android:targetSdkVersion="10" />

<application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.example.contactproject.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

<category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
    <uses-permission android:name="android.permission.READ_CONTACTS"/>
     <uses-permission android:name="android.permission.WRITE_CONTACTS"/>
</manifest>

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