009_02访问系统联系人数据库

 1 package com.example.visit_contacts;
 2 
 3 import android.app.Activity;
 4 import android.content.ContentResolver;
 5 import android.content.ContentValues;
 6 import android.database.Cursor;
 7 import android.net.Uri;
 8 import android.os.Bundle;
 9 import android.util.Log;
10 import android.view.Menu;
11 import android.view.MenuItem;
12 import android.view.View;
13 
14 public class MainActivity extends Activity {
15 
16     @Override
17     protected void onCreate(Bundle savedInstanceState) {
18         super.onCreate(savedInstanceState);
19         setContentView(R.layout.activity_main);
20     }
21     public void getContact(View v){
22         ContentResolver cr = getContentResolver();
23         Cursor c = cr.query(Uri.parse("content://com.android.contacts/raw_contacts"), new String[]{"contact_id"}, null, null, null);
24         while(c.moveToNext()){
25             int id = c.getInt(0);
26             Cursor c2 = cr.query(Uri.parse("content://com.android.contacts/data"), new String[]{"mimetype","data1"}, 
27                     "raw_contact_id=?", new String[]{id+""}, null);
28             Contact contact = new Contact();
29             while(c2.moveToNext()){
30                 String type = c2.getString(0);
31                 String data1 = c2.getString(1);
32                 if("vnd.android.cursor.item/name".equals(type)){
33                     contact.setName(data1);
34                 }
35                 if("vnd.android.cursor.item/phone_v2".equals(type)){
36                     contact.setNumber(data1);
37                 }
38                 if("vnd.android.cursor.item/email_v2".equals(type)){
39                     contact.setEmail(data1);
40                 }
41                 Log.i("getContact", contact.toString());
42                 }
43             }
44     }
45     
46     public void addContact(View v){
47         ContentResolver cr = getContentResolver();
48         //step1:handle raw_contact table;
49         Cursor c = cr.query(Uri.parse("content://com.android.contacts/raw_contacts"), new String[]{"_id"}, null, null, null);
50         c.moveToLast();
51         int id = c.getInt(0);
52         int insert_id = id + 1;
53         
54         ContentValues cv = new ContentValues();
55         cv.put("_id", insert_id);
56         cv.put("contact_id", insert_id);
57         cr.insert(Uri.parse("content://com.android.contacts/raw_contacts"), cv);
58         
59          //step2. handle data table
60          //insert name 
61          cv.clear();
62          cv.put("_id", 9);
63          cv.put("mimetype", "vnd.android.cursor.item/name");
64          cv.put("raw_contact_id", insert_id);
65          cv.put("data1", "zhangsanfeng");
66          cr.insert(Uri.parse("content://com.android.contacts/data"), cv);
67          
68          //insert  phone_v2
69          cv.clear();
70          cv.put("_id", 10);
71          cv.put("mimetype", "vnd.android.cursor.item/phone_v2");
72          cv.put("raw_contact_id", insert_id);
73          cv.put("data1", "13899998888");         
74          cr.insert(Uri.parse("content://com.android.contacts/data"), cv);
75          
76          //insert email 
77          cv.clear();
78          cv.put("_id", 11);
79          cv.put("mimetype", "vnd.android.cursor.item/email_v2");
80          cv.put("raw_contact_id", insert_id);
81          cv.put("data1", "[email protected]");
82          cr.insert(Uri.parse("content://com.android.contacts/data"), cv);
83     }
84         
85 
86 }

 1 package com.example.visit_contacts;
 2 
 3 public class Contact {
 4 
 5      private String name;
 6      private String number;
 7      private String email;
 8     public String getName() {
 9         return name;
10     }
11     public void setName(String name) {
12         this.name = name;
13     }
14     public String getNumber() {
15         return number;
16     }
17     public void setNumber(String number) {
18         this.number = number;
19     }
20     public String getEmail() {
21         return email;
22     }
23     public void setEmail(String email) {
24         this.email = email;
25     }
26     public Contact(String name, String number, String email) {
27         super();
28         this.name = name;
29         this.number = number;
30         this.email = email;
31     }
32     public Contact() {
33         super();
34         // TODO Auto-generated constructor stub
35     }
36     @Override
37     public String toString() {
38         return "Contact [name=" + name + ", number=" + number + ", email="
39                 + email + "]";
40     }
41      
42 
43 }

 1 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2     xmlns:tools="http://schemas.android.com/tools"
 3     android:layout_width="match_parent"
 4     android:layout_height="match_parent"
 5     android:paddingBottom="@dimen/activity_vertical_margin"
 6     android:paddingLeft="@dimen/activity_horizontal_margin"
 7     android:paddingRight="@dimen/activity_horizontal_margin"
 8     android:paddingTop="@dimen/activity_vertical_margin"
 9     tools:context="com.example.visit_contacts.MainActivity"
10     android:orientation="vertical" >
11 
12     <TextView
13         android:layout_width="wrap_content"
14         android:layout_height="wrap_content"
15         android:text="@string/hello_world" />
16     
17      <Button
18         android:layout_width="wrap_content"
19         android:layout_height="wrap_content"
20         android:onClick="getContact"
21         android:text="获取系统的联系人信息" />
22       <Button
23         android:layout_width="wrap_content"
24         android:layout_height="wrap_content"
25         android:text="新增系统的联系人信息" 
26         android:onClick="addContact"
27         />
28 
29 </LinearLayout>