bean类Contact：
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 }
Contact
读取联系人:
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 }
readContact
添加联系人：
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", "[email protected],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);
}
writeContact
时间： 2024-11-08 03:41:11