Android中如何查询联系人信息

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Android查询联系人信息的功能主要是实现查询联系人的姓名，电话，邮件地址，

1. String columns[] = new String[] { People._ID, People.NAME,
   People.NUMBER, People.PRIMARY_EMAIL_ID,

2. People.PRIMARY_ORGANIZATION_ID, People.
   PRIMARY_PHONE_ID, People.DISPLAY_NAME,

3. People.IM_ACCOUNT, People.IM_HANDLE, People.PHONETIC_NAME, People.TYPE };

4. Uri mContacts = People.CONTENT_URI;

5. Cursor cur = managedQuery(mContacts, columns, // 要返回的数据字段

6. null, // WHERE子句

7. null, // WHERE 子句的参数

8. People.NAME // Order-by子句

9. );

10. if (cur.moveToFirst()) {

11. Cursor newcur = null;

12. do {

13. // 获取字段的值

14. String name = cur.getString(cur.getColumnIndex(People.NAME));

15. String phoneNo = cur.getString(cur.getColumnIndex(People.NUMBER));

16. String peopleId = cur.getString(cur.getColumnIndex(People._ID));

17. String[] PROJECTION = new String[] { Contacts.ContactMethods._ID,
    Contacts.ContactMethods.KIND, Contacts.ContactMethods.DATA };

18. newcur = managedQuery(Contacts.ContactMethods.CONTENT_URI,
    PROJECTION, Contacts.ContactMethods.PERSON_ID + "=\'"

19. + cur.getLong(cur.getColumnIndex(People._ID)) + "\'", null, null);

20. startManagingCursor(newcur);

21. String email = "";

22. if (newcur.moveToFirst()) {

23. email = newcur.getString(newcur.getColumnIndex
    (Contacts.ContactMethods.DATA));

24. }

25. log.info("name = " + name + "
    phoneNo = " + phoneNo + "email = " + email);

26. if (email != null && !"".equals(email) &&
    email.trim().length() != 0) {

27. //此处可以取到联系人邮件

28. }

29. } while (cur.moveToNext());

30. if (newcur != null) {

31. newcur.close();//用完得关闭吧

32. }

33. }

34. if (cur != null)

35. cur.close(); //用完得关闭吧

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