用ContentProvider获取通讯录联系人

 

手机中的联系人数据实际是保存在数据库中的,但Android并没有让我们通过操作数据库去读取数据,而是通过一个ContractProvider这个应用提供了一个ContentProvider访问接口。

 

获取email的方法与获取电话号码相同。

 

 

 

具体实现过程如下:

添加应用权限:

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

实际获取号码的代码如下:

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private void getContacts() { 
        // 得到ContentResolver对象    
        ContentResolver cr = this.getContentResolver();      
        // 取得电话本中开始一项的光标,主要就是查询"contacts"表 
        Cursor cursor = cr.query(ContactsContract.Contacts.CONTENT_URI, null, null, null, null);    
        while (cursor.moveToNext())    
        {    
            StringBuilder sbLog = new StringBuilder(); 
               
            // 取得联系人名字 (显示出来的名字),实际内容在 ContactsContract.Contacts中 
           int nameIndex = cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME);    
           String name = cursor.getString(nameIndex); 
           sbLog.append("name=" + name + ";"); 
               
            // 取得联系人ID 
            String contactId = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts._ID));    
               
            // 根据联系人ID查询对应的电话号码 
            Cursor phoneNumbers = cr.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null, ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = "   
                    + contactId, null, null);              
            // 取得电话号码(可能存在多个号码)    
            while (phoneNumbers.moveToNext())    
            
                String strPhoneNumber = phoneNumbers.getString(phoneNumbers.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));    
                sbLog.append("Phone=" + strPhoneNumber + ";"); 
            }    
            phoneNumbers.close();  
               
            // 根据联系人ID查询对应的email 
            Cursor emails = cr.query(ContactsContract.CommonDataKinds.Email.CONTENT_URI, null, ContactsContract.CommonDataKinds.Email.CONTACT_ID + " = "   
                    + contactId, null, null);              
            // 取得email(可能存在多个email)    
            while (emails.moveToNext())    
            
                String strEmail = emails.getString(emails.getColumnIndex(ContactsContract.CommonDataKinds.Email.DATA));    
                sbLog.append("Email=" + strEmail + ";"); 
            }    
            emails.close();  
               
            Log.v(TAG, sbLog.toString()); 
        
        cursor.close();          
    

  

posted @   钱大少丶  阅读(562)  评论(0编辑  收藏  举报
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