读取 联系人

package com.xh.tx.readcontact;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;

public class MainActivity extends Activity {

private static final String TAG = "MainActivity";

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

readContact();
writeContact();
}

private void readContact() {

ContentResolver resolver = this.getContentResolver();
Cursor cursor = resolver.query(Uri.parse("content://com.android.contacts/raw_contacts"), new String[]{"contact_id"}, null, null, null);

if(null != cursor && cursor.getCount() > 0){
List<Contact> list = new ArrayList<Contact>();
while(cursor.moveToNext())
{
Integer contact_id = cursor.getInt(0);

Cursor cursor_data = resolver.query(Uri.parse("content://com.android.contacts/data"), new String[]{"mimetype","data1"},
"raw_contact_id = ?",
new String[]{String.valueOf(contact_id)},
null);
if(null!=cursor_data && cursor_data.getCount()>0){

Contact contact = new Contact();;
while(cursor_data.moveToNext())
{
String mimetype = cursor_data.getString(0);
String data = cursor_data.getString(1);

if("vnd.android.cursor.item/name".equals(mimetype))
{
contact.setName(data);
}else if("vnd.android.cursor.item/email_v2".equals(mimetype))
{
contact.setEmail(data);
}else if("vnd.android.cursor.item/phone_v2".equals(mimetype))
{
contact.getPhone().add(data);
}else if("vnd.android.cursor.item/postal-address_v2".equals(mimetype))
{
contact.setAddress(data);
}

list.add(contact);

Log.i(TAG, "mimetype=" + mimetype + "  data=" + data );

}

}
}
Log.i(TAG, "mimetype="  + "  data="  );
}

}

private void writeContact() {
//1.获得访问内容提供者的工具类
ContentResolver resolver = getContentResolver();
//2. 获取到已存入联系人数据库里面的最后一个联系人的contact_id，然后在加1 就是现在要添加的练习题的contact_id
Uri raw_contact_uri = Uri.parse("content://com.android.contacts/raw_contacts");
Cursor cursor = resolver.query(raw_contact_uri, new String[]{"contact_id"}, null, null, "contact_id desc limit 1");
Integer max_contact_id = 0;

if(null != cursor && cursor.moveToFirst())
{
max_contact_id = cursor.getInt(0);
}

max_contact_id = max_contact_id + 1;
//3. 往raw_contact表里面添加contact_id
ContentValues values = new ContentValues();
values.put("contact_id", max_contact_id);

raw_contact_uri = resolver.insert(raw_contact_uri, values);
Log.i(TAG, "raw_contact_uri=" + raw_contact_uri);
//4. 往data里面添加数据(姓名，email，address，phone等信息),注意:一个信息是一样记录，所以添加一个联系人的多个信息的时候要执行多个insert操作
Uri data_uri = Uri.parse("content://com.android.contacts/data");

values.clear(); //复用之前一定要清空否则会影响下面的插入操作
values.put("raw_contact_id", max_contact_id);
values.put("mimetype", "vnd.android.cursor.item/name");
values.put("data1", "1505");
resolver.insert(data_uri, values);

values.clear(); //复用之前一定要清空否则会影响下面的插入操作
values.put("raw_contact_id", max_contact_id);
values.put("mimetype", "vnd.android.cursor.item/email_v2");
values.put("data1", "4654654@qq,com");
resolver.insert(data_uri, values);

values.clear(); //复用之前一定要清空否则会影响下面的插入操作
values.put("raw_contact_id", max_contact_id);
values.put("mimetype", "vnd.android.cursor.item/phone_v2");
values.put("data1", "16824524");
resolver.insert(data_uri, values);

values.clear(); //复用之前一定要清空否则会影响下面的插入操作
values.put("raw_contact_id", max_contact_id);
values.put("mimetype", "vnd.android.cursor.item/postal-address_v2");
values.put("data1", "西安南路");
resolver.insert(data_uri, values);
}
}

package com.xh.tx.readcontact;

import java.util.ArrayList;
import java.util.List;

public class Contact {
private String name;
private String email;
private String address;
private List<String> phone = new ArrayList<String>();

public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public List<String> getPhone() {
return phone;
}
public void setPhone(List<String> phone) {
this.phone = phone;
}

}