Android使用READ_CONTACTS读取手机联系人

实例代码：

package com.example.readcontacts;

import java.io.InputStream;
import java.util.ArrayList;

import android.app.ListActivity;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.provider.ContactsContract.CommonDataKinds.Photo;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.AdapterView.OnItemClickListener;

public class MainActivity extends ListActivity {

Context mContext = null;

/** 获取库Phon表字段 **/
private static final String[] PHONES_PROJECTION = new String[] {
Phone.DISPLAY_NAME, Phone.NUMBER, Photo.PHOTO_ID, Phone.CONTACT_ID };

/** 联系人显示名称 **/
private static final int PHONES_DISPLAY_NAME_INDEX = 0;

/** 电话号码 **/
private static final int PHONES_NUMBER_INDEX = 1;

/** 头像ID **/
private static final int PHONES_PHOTO_ID_INDEX = 2;

/** 联系人的ID **/
private static final int PHONES_CONTACT_ID_INDEX = 3;

/** 联系人名称 **/
private ArrayList<String> mContactsName = new ArrayList<String>();

/** 联系人头像 **/
private ArrayList<String> mContactsNumber = new ArrayList<String>();

/** 联系人头像 **/
private ArrayList<Bitmap> mContactsPhonto = new ArrayList<Bitmap>();

ListView mListView = null;
MyListAdapter myAdapter = null;

@Override
public void onCreate(Bundle savedInstanceState) {
mContext = this;
mListView = this.getListView();
/** 得到手机通讯录联系人信息 **/
getPhoneContacts();

myAdapter = new MyListAdapter(this);
setListAdapter(myAdapter);

mListView.setOnItemClickListener(new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> adapterView, View view,
int position, long id) {
// 调用系统方法拨打电话
Intent dialIntent = new Intent(Intent.ACTION_CALL, Uri
.parse("tel:" + mContactsNumber.get(position)));
startActivity(dialIntent);
}
});

super.onCreate(savedInstanceState);
}

/** 得到手机通讯录联系人信息 **/
private void getPhoneContacts() {
ContentResolver resolver = mContext.getContentResolver();

// 获取手机联系人
Cursor phoneCursor = resolver.query(Phone.CONTENT_URI,
PHONES_PROJECTION, null, null, null);

if (phoneCursor != null) {
while (phoneCursor.moveToNext()) {

// 得到手机号码
String phoneNumber = phoneCursor.getString(PHONES_NUMBER_INDEX);
// 当手机号码为空的或者为空字段 跳过当前循环
if (TextUtils.isEmpty(phoneNumber))
continue;

// 得到联系人名称
String contactName = phoneCursor
.getString(PHONES_DISPLAY_NAME_INDEX);

// 得到联系人ID
Long contactid = phoneCursor.getLong(PHONES_CONTACT_ID_INDEX);

// 得到联系人头像ID
Long photoid = phoneCursor.getLong(PHONES_PHOTO_ID_INDEX);

// 得到联系人头像Bitamp
Bitmap contactPhoto = null;

// photoid 大于0 表示联系人有头像 假设没有给此人设置头像则给他一个默认的
if (photoid > 0) {
Uri uri = ContentUris.withAppendedId(
ContactsContract.Contacts.CONTENT_URI, contactid);
InputStream input = ContactsContract.Contacts
.openContactPhotoInputStream(resolver, uri);
contactPhoto = BitmapFactory.decodeStream(input);
} else {
contactPhoto = BitmapFactory.decodeResource(getResources(),
R.drawable.contact_photo);
}

mContactsName.add(contactName);
mContactsNumber.add(phoneNumber);
mContactsPhonto.add(contactPhoto);
}

phoneCursor.close();
}
}

/** 得到手机SIM卡联系人人信息 **/
private void getSIMContacts() {
ContentResolver resolver = mContext.getContentResolver();
// 获取Sims卡联系人
Uri uri = Uri.parse("content://icc/adn");
Cursor phoneCursor = resolver.query(uri, PHONES_PROJECTION, null, null,
null);

if (phoneCursor != null) {
while (phoneCursor.moveToNext()) {

// 得到手机号码
String phoneNumber = phoneCursor.getString(PHONES_NUMBER_INDEX);
// 当手机号码为空的或者为空字段 跳过当前循环
if (TextUtils.isEmpty(phoneNumber))
continue;
// 得到联系人名称
String contactName = phoneCursor
.getString(PHONES_DISPLAY_NAME_INDEX);

// Sim卡中没有联系人头像

mContactsName.add(contactName);
mContactsNumber.add(phoneNumber);
}

phoneCursor.close();
}
}

class MyListAdapter extends BaseAdapter {
public MyListAdapter(Context context) {
mContext = context;
}

public int getCount() {
// 设置绘制数量
return mContactsName.size();
}

@Override
public boolean areAllItemsEnabled() {
return false;
}

public Object getItem(int position) {
return position;
}

public long getItemId(int position) {
return position;
}

public View getView(int position, View convertView, ViewGroup parent) {
ImageView image = null;
TextView title = null;
TextView text = null;
if (convertView == null || position < mContactsNumber.size()) {
convertView = LayoutInflater.from(mContext).inflate(
R.layout.colorlist, null);
image = (ImageView) convertView.findViewById(R.id.color_image);
title = (TextView) convertView.findViewById(R.id.color_title);
text = (TextView) convertView.findViewById(R.id.color_text);
}
// 绘制联系人名称
title.setText(mContactsName.get(position));
// 绘制联系人号码
text.setText(mContactsNumber.get(position));
// 绘制联系人头像
image.setImageBitmap(mContactsPhonto.get(position));
return convertView;
}

}
}

注意：用户权限

<uses-permission android:name="android.permission.READ_CONTACTS" />
<uses-permission android:name="ndroid.permission.CALL_PHONE" />