读取联系人和添加联系人

 1 import java.util.ArrayList;
 2 import java.util.List;
 3 
 4 public class Contact {
 5     private String name;
 6     private String email;
 7     private String address;
 8     private List<String> phone = new ArrayList<String>();
 9 
10     public Contact() {
11         super();
12         // TODO Auto-generated constructor stub
13     }
14 
15     public Contact(String name, String email, String address, List<String> phone) {
16         super();
17         this.name = name;
18         this.email = email;
19         this.address = address;
20         this.phone = phone;
21     }
22 
23     public String getName() {
24         return name;
25     }
26 
27     public void setName(String name) {
28         this.name = name;
29     }
30 
31     public String getEmail() {
32         return email;
33     }
34 
35     public void setEmail(String email) {
36         this.email = email;
37     }
38 
39     public String getAddress() {
40         return address;
41     }
42 
43     public void setAddress(String address) {
44         this.address = address;
45     }
46 
47     public List<String> getPhone() {
48         return phone;
49     }
50 
51     public void setPhone(List<String> phone) {
52         this.phone = phone;
53     }
54 }

 1 import java.util.ArrayList;
 2 import java.util.List;
 3 
 4 import android.app.Activity;
 5 import android.content.ContentResolver;
 6 import android.database.Cursor;
 7 import android.net.Uri;
 8 import android.os.Bundle;
 9 import android.util.Log;
10 public class MainActivity extends Activity {
11     private static final String TAG = "MainActivity";
12     @Override
13     protected void onCreate(Bundle savedInstanceState) {
14         super.onCreate(savedInstanceState);
15         setContentView(R.layout.activity_main);
16         readContact();
17     }
18 
19     public List<Contact> readContact() {
20         List<Contact> list ;
21         ContentResolver resolver = getContentResolver();
22         Uri raw_contactUri = Uri.parse("content://com.android.contacts/raw_contacts");
23         Cursor cursor = resolver.query(raw_contactUri, new String[] { "contact_id" }, 
24                 null, null, null);
25         if (cursor != null && cursor.getCount() > 0) {
26             list= new ArrayList<Contact>();
27             while (cursor.moveToNext()) {
28                 Integer contact_id = cursor.getInt(0);
29                 Uri dataUri = Uri.parse("content://com.android.contacts/data");
30                 String selection = "raw_contact_id=?";
31                 String[] selectionArgs = new String[] { String.valueOf(contact_id) };
32                 Cursor cursor_data = resolver.query(dataUri, new String[] { "mimetype", 
33                         "data1" }, selection,
34                         selectionArgs, null);
35                 if (cursor_data != null && cursor_data.getCount() > 0) {
36                     Contact contact = new Contact();
37                     while (cursor_data.moveToNext()) {
38                         String mimetype = cursor_data.getString(0);
39                         String data1 = cursor_data.getString(1);
40                         if ("vnd.android.cursor.item/name".equals(mimetype)) {
41                             contact.setName(data1);
42                         } else if ("vnd.android.cursor.item/postal-address_v2".equals(mimetype)) {
43                             contact.setAddress(data1);
44                         } else if ("vnd.android.cursor.item/email_v2".equals(mimetype)) {
45                             contact.setEmail(data1);
46                         } else if ("vnd.android.cursor.item/phone_v2".equals(mimetype)) {
47                             contact.getPhone().add(data1);
48                         }
49                         list.add(contact);
50                         Log.i(TAG, "mimetype=" + mimetype + "\tdata1=" + data1);
51                     }
52                     cursor_data.close();
53                 }
54             }
55             cursor.close();
56             Log.i(TAG, "----------");
57             return list;
58         }
59         return null;
60     }
61 
62 }

public 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", "西安路");
        resolver.insert(data_uri, values);
    }