Cursor cursor = getContentResolver().query(
ContactsContract.CommonDataKinds.Phone.CONTENT_URI, 
null, null, null, null
);

//聯(lián)系人名字
ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME
//聯(lián)系人號(hào)碼
ContactsContract.CommonDataKinds.Phone.NUMBER

// 獲取聯(lián)系人姓名
 String displayName = cursor.getString(

      cursor.getColumnIndex(
      ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME
    )

);
// 獲取聯(lián)系人手機(jī)號(hào)
String number = cursor.getString(

      cursor.getColumnIndex(
      ContactsContract.ommonDataKinds.Phone.NUMBER
   )
);