Android 获取联系人的姓名、电话信息

//获取联系人的姓名、电话信息
 public List<ContactInfo> getContact()
 {                 
         //取得ContentResolver
         ContentResolver content = getContentResolver();                                 
         Uri uri = ContactsContract.Contacts.CONTENT_URI;                //联系人的URI
         Cursor cursor = content.query(uri,null, null, null, null);
         int contactCount = cursor.getCount();                //获得联系人数目
  
         List<ContactInfo> contacts = new ArrayList<ContactInfo>(contactCount);         
  
         if (cursor.moveToFirst())
         {
                 // 循环遍历
                 for (;!cursor.isAfterLast();cursor.moveToNext())
                 {
                         List<String> allPhoneNum = null;
                         ContactInfo contact = new ContactInfo();
                                          
                         int idColumn = cursor.getColumnIndex(ContactsContract.Contacts._ID);
                         int displayNameColumn = cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME);
                         int phoneColumn = cursor.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER);                         
                  
                         // 获得联系人的ID号
                         String contactId = cursor.getString(idColumn);
                         contact.setContactId(contactId);
                         // 获得联系人姓名
                         String disPlayName = cursor.getString(displayNameColumn);
                         contact.setContactName(disPlayName);
                  
                         // 电话号码的个数
                         //String phoneString = cursor.getString(phoneColumn);
                         int phoneNum = cursor.getInt(phoneColumn);
                                                  
                         if (phoneNum > 0)
                         {
                                 // 获得联系人的电话号码的cursor;
                                 Cursor phones = content.query(
                                                 ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null,  ContactsContract.CommonDataKinds.Phone.CONTACT_ID+ " = " + contactId,   null, null);
     int phoneCount = phones.getCount();
                                 allPhoneNum = new ArrayList<String>(phoneCount);
                                 if (phones.moveToFirst())
                                 {
                                         // 遍历所有的电话号码
                                         for (;!phones.isAfterLast();phones.moveToNext())
                                         {                                                 
                                                 String phoneNumber = phones.getString(phones.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
                                                 allPhoneNum.add(phoneNumber);
                                         }
                                  
                                         if (!phones.isClosed())
                                         {
                                                 phones.close();
                                         }
                                 }
                         }
                  
                         contact.setContactPhone(allPhoneNum);
                         contacts.add(contact);
                 }
          
                 if (!cursor.isClosed())
                 {
                         cursor.close();
                 }
         }
         return contacts;

 }

public class ContactInfo
{
 private String contactId;
 private String contactName;
 private List<String> contactPhone;
 
 public String getContactId()
 {
         return contactId;
 }
 
 public String getContactName()
 {
         return contactName;
 }
 
 public List<String> getContactPhone()
 {
         return contactPhone;
 }
 
 public void setContactId(String id)
 {
         contactId = id;
 }
 
 public void setContactName(String name)
 {
         contactName = name;
 }
 
 public void setContactPhone(List<String> phone)
 {
         contactPhone = phone;
 }

}