利用内容提供者来操作联系人数据库

利用内容提供者来操作联系人数据库

添加权限
  <uses-permission android:name="android.permission.READ_CONTACTS"/>
    <uses-permission android:name="android.permission.WRITE_CONTACTS"/>

package cn.itcast.contacts.test;

import android.content.ContentUris;
import android.content.ContentValues;
import android.database.Cursor;
import android.net.Uri;
import android.test.AndroidTestCase;

public class TestContacts extends AndroidTestCase {

       
        public void  readContacts() throws Exception{
                //1. 查看源代码
                // com.android.contacts/raw_contacts
               
                Uri uri = Uri.parse("content://com.android.contacts/raw_contacts");
                Cursor  cursor =        getContext().getContentResolver().query(uri, null, null, null, null);
                while (cursor.moveToNext()) {
                       
                String id = cursor.getString( cursor.getColumnIndex("_id"));
                String name =        cursor.getString( cursor.getColumnIndex("display_name"));
                        //System.out.println(id);
                        System.out.println("姓名"+ name);
                        //System.out.println("--");
                       
                       
                       
                        Uri dataUri = Uri.parse("content://com.android.contacts/data");
                       
                        Cursor datacursor = getContext().getContentResolver().query(dataUri, null, "raw_contact_id=?", new String[]{id}, null);
                        while (datacursor.moveToNext()) {
                        /*   System.out.println( datacursor.getString(datacursor.getColumnIndex("data1")));
                          
                           System.out.println(   datacursor.getString( datacursor.getColumnIndex("mimetype")));
                           System.out.println("~~~~~~~~~~~~~");*/
                                if("vnd.android.cursor.item/phone_v2".equals(datacursor.getString( datacursor.getColumnIndex("mimetype")))){
                                        System.out.println("电话"+datacursor.getString(datacursor.getColumnIndex("data1")));
                                }else if("vnd.android.cursor.item/email_v2".equals(datacursor.getString( datacursor.getColumnIndex("mimetype")))){
                                        System.out.println("邮箱"+datacursor.getString(datacursor.getColumnIndex("data1")));
                                }
                               
                        }datacursor.close();
                }
                cursor.close();
               
        }
       
       
        public void insertContacts(){
                Uri uri = Uri.parse("content://com.android.contacts/raw_contacts");
                ContentValues values = new ContentValues();
                values.put("display_name", "zhaoba");
                Uri inserturi = getContext().getContentResolver().insert(uri, values);
                //得到插入的数据 在数据库中的_id
                long id = ContentUris.parseId(inserturi);
               
                Uri dataUri = Uri.parse("content://com.android.contacts/data");
                ContentValues phonevalues = new ContentValues();
                phonevalues.put("data1", "7777");
                phonevalues.put("raw_contact_id", id);
                phonevalues.put("mimetype", "vnd.android.cursor.item/phone_v2");
                getContext().getContentResolver().insert(dataUri, phonevalues);
               
               
                ContentValues emailvalues = new ContentValues();
                emailvalues.put("data1", [email protected]);
                emailvalues.put("raw_contact_id", id);
                emailvalues.put("mimetype", "vnd.android.cursor.item/email_v2");
                getContext().getContentResolver().insert(dataUri, emailvalues);
               
               
                ContentValues namevValues = new ContentValues();
                namevValues.put("mimetype", "vnd.android.cursor.item/name");
                namevValues.put("raw_contact_id", id);
                namevValues.put("data1", "yunchao");
               
                getContext().getContentResolver().insert(dataUri, namevValues);
        }
}
 

 

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