查看Android 4.0源码，发现packages\providers\ContactsProvider\src\com\android\providers\contacts\HanziToPinyin.Java
可以实现汉字转化为拼音，多音字貌似转化为不正确
贴出源代码
package com.android.providers.contacts;
import android.text.TextUtils;
import android.util.Log;
import java.text.Collator;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Locale;
import com.mediatek.providers.contacts.ContactsFeatureConstants.FeatureOption;
/**
* An object to convert Chinese character to its corresponding pinyin string. For characters with
* multiple possible pinyin string, only one is selected according to collator. Polyphone is not
* supported in this implementation. This class is implemented to achieve the best runtime
* performance and minimum runtime resources with tolerable sacrifice of accuracy. This
* implementation highly depends on zh_CN ICU collation data and must be always synchronized with
* ICU.
*
* Currently this file is aligned to zh.txt in ICU 4.6
*/
public class HanziToPinyin {
private static final String TAG = "HanziToPinyin";
// Turn on this flag when we want to check internal data structure.
private static final boolean DEBUG = false;
/**
* Unihans array. Each unihans is the first one within same pinyin. Use it to determine pinyin
* for all ~20k unihans.
*/
public static final char[] UNIHANS = {
'\u5475', '\u54ce', '\u5b89', '\u80ae', '\u51f9',
'\u516b', '\u6300', '\u6273', '\u90a6', '\u5305', '\u5351', '\u5954', '\u4f3b',
'\u5c44', '\u8fb9', '\u6807', '\u618b', '\u90a0', '\u69df', '\u7676', '\u5cec',
'\u5693', '\u5a47', '\u98e1', '\u4ed3', '\u64cd', '\u518a', '\u5d7e', '\u564c',
'\u53c9', '\u9497', '\u8fbf', '\u4f25', '\u6284', '\u8f66', '\u62bb', '\u67fd',
'\u5403', '\u5145', '\u62bd', '\u51fa', '\u6b3b', '\u63e3', '\u5ddd', '\u75ae',
'\u5439', '\u6776', '\u9034', '\u75b5', '\u5306', '\u51d1', '\u7c97', '\u6c46',
'\u5d14', '\u90a8', '\u6413', '\u5491', '\u5927', '\u75b8', '\u5f53', '\u5200',
'\u6dc2', '\u5f97', '\u6265', '\u706f', '\u6c10', '\u55f2', '\u7538', '\u5201',
'\u7239', '\u4ec3', '\u4e1f', '\u4e1c', '\u5517', '\u561f', '\u5073', '\u5806',
'\u9413', '\u591a', '\u5a40', '\u8bf6', '\u5940', '\u97a5', '\u800c', '\u53d1',
'\u5e06', '\u65b9', '\u98de', '\u5206', '\u4e30', '\u8985', '\u4ecf', '\u7d11',
'\u4f15', '\u65ee', '\u8be5', '\u7518', '\u5188', '\u768b', '\u6208', '\u7d66',
'\u6839', '\u5e9a', '\u5de5', '\u52fe', '\u4f30', '\u74dc', '\u7f6b', '\u5173',
'\u5149', '\u5f52', '\u886e', '\u5459', '\u54c8', '\u54b3', '\u9878', '\u82c0',
'\u84bf', '\u8bc3', '\u9ed2', '\u62eb', '\u4ea8', '\u5677', '\u543d', '\u9f41',
'\u5322', '\u82b1', '\u6000', '\u72bf', '\u5ddf', '\u7070', '\u660f', '\u5419',
'\u4e0c', '\u52a0', '\u620b', '\u6c5f', '\u827d', '\u9636', '\u5dfe', '\u52a4',
'\u5182', '\u52fc', '\u530a', '\u5a1f', '\u5658', '\u519b', '\u5494', '\u5f00',
'\u520a', '\u95f6', '\u5c3b', '\u533c', '\u524b', '\u80af', '\u962c', '\u7a7a',
'\u62a0', '\u5233', '\u5938', '\u84af', '\u5bbd', '\u5321', '\u4e8f', '\u5764',
'\u6269', '\u5783', '\u6765', '\u5170', '\u5577', '\u635e', '\u4ec2', '\u52d2',
'\u5844', '\u5215', '\u5006', '\u5941', '\u826f', '\u64a9', '\u5217', '\u62ce',
'\u3007', '\u6e9c', '\u9f99', '\u779c', '\u565c', '\u5a08', '\u7567', '\u62a1',
'\u7f57', '\u5463', '\u5988', '\u973e', '\u5ada', '\u9099', '\u732b', '\u9ebc',
'\u6c92', '\u95e8', '\u753f', '\u54aa', '\u7720', '\u55b5', '\u54a9', '\u6c11',
'\u540d', '\u8c2c', '\u6478', '\u54de', '\u6bea', '\u62cf', '\u5b7b', '\u56e1',
'\u56ca', '\u5b6c', '\u8bb7', '\u9981', '\u6041', '\u80fd', '\u59ae', '\u62c8',
'\u5b22', '\u9e1f', '\u634f', '\u60a8', '\u5b81', '\u599e', '\u519c', '\u7fba',
'\u5974', '\u597b', '\u8650', '\u632a', '\u5594', '\u8bb4', '\u8db4', '\u62cd',
'\u7705', '\u4e53', '\u629b', '\u5478', '\u55b7', '\u5309', '\u4e15', '\u504f',
'\u527d', '\u6c15', '\u59d8', '\u4e52', '\u948b', '\u5256', '\u4ec6', '\u4e03',
'\u6390', '\u5343', '\u545b', '\u6084', '\u767f', '\u4fb5', '\u9751', '\u909b',
'\u4e18', '\u66f2', '\u5f2e', '\u7f3a', '\u590b', '\u5465', '\u7a63', '\u5a06',
'\u60f9', '\u4eba', '\u6254', '\u65e5', '\u8338', '\u53b9', '\u5982', '\u5827',
'\u6875', '\u95f0', '\u82e5', '\u4ee8', '\u6be2', '\u4e09', '\u6852', '\u63bb',
'\u8272', '\u68ee', '\u50e7', '\u6740', '\u7b5b', '\u5c71', '\u4f24', '\u5f30',
'\u5962', '\u7533', '\u5347', '\u5c38', '\u53ce', '\u4e66', '\u5237', '\u6454',
'\u95e9', '\u53cc', '\u8c01', '\u542e', '\u5981', '\u53b6', '\u5fea', '\u635c',
'\u82cf', '\u72fb', '\u590a', '\u5b59', '\u5506', '\u4ed6', '\u82d4', '\u574d',
'\u94f4', '\u5932', '\u5fd1', '\u71a5', '\u5254', '\u5929', '\u4f7b', '\u5e16',
'\u5385', '\u56f2', '\u5077', '\u92c0', '\u6e4d', '\u63a8', '\u541e', '\u6258',
'\u6316', '\u6b6a', '\u5f2f', '\u5c2a', '\u5371', '\u586d', '\u7fc1', '\u631d',
'\u5140', '\u5915', '\u867e', '\u4eda', '\u4e61', '\u7071', '\u4e9b', '\u5fc3',
'\u661f', '\u51f6', '\u4f11', '\u65f4', '\u8f69', '\u75b6', '\u52cb', '\u4e2b',
'\u6079', '\u592e', '\u5e7a', '\u8036', '\u4e00', '\u6b2d', '\u5e94', '\u54df',
'\u4f63', '\u4f18', '\u625c', '\u9e22', '\u66f0', '\u6655', '\u531d', '\u707d',
'\u7ccc', '\u7242', '\u50ae', '\u5219', '\u8d3c', '\u600e', '\u5897', '\u5412',
'\u635a', '\u6cbe', '\u5f20', '\u948a', '\u8707', '\u8d1e', '\u4e89', '\u4e4b',
'\u4e2d', '\u5dde', '\u6731', '\u6293', '\u8de9', '\u4e13', '\u5986', '\u96b9',
'\u5b92', '\u5353', '\u5b5c', '\u5b97', '\u90b9', '\u79df', '\u94bb', '\u539c',
'\u5c0a', '\u6628', };