查看Android 4.0源碼，發現packages\providers\ContactsProvider\src\com\android\providers\contacts\HanziToPinyin.java
可以實現漢字轉化為拼音，多音字貌似轉化為不正確
貼出源代碼
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', };
/**
* Pinyin array. Each pinyin is corresponding to unihans of same offset in the unihans array.
*/
public static final byte[][] PINYINS = {
{ 65, 0, 0, 0, 0, 0 }, { 65, 73, 0, 0, 0, 0 }, { 65, 78, 0, 0, 0, 0 },
{ 65, 78, 71, 0, 0, 0 }, { 65, 79, 0, 0, 0, 0 }, { 66, 65, 0, 0, 0, 0 },
{ 66, 65, 73, 0, 0, 0 }, { 66, 65, 78, 0, 0, 0 }, { 66, 65, 78, 71, 0, 0 },
{ 66, 65, 79, 0, 0, 0 }, { 66, 69, 73, 0, 0, 0 }, { 66, 69, 78, 0, 0, 0 },
{ 66, 69, 78, 71, 0, 0 }, { 66, 73, 0, 0, 0, 0 }, { 66, 73, 65, 78, 0, 0 },
{ 66, 73, 65, 79, 0, 0 }, { 66, 73, 69, 0, 0, 0 }, { 66, 73, 78, 0, 0, 0 },
{ 66, 73, 78, 71, 0, 0 }, { 66, 79, 0, 0, 0, 0 }, { 66, 85, 0, 0, 0, 0 },
{ 67, 65, 0, 0, 0, 0 }, { 67, 65, 73, 0, 0, 0 },
{ 67, 65, 78, 0, 0, 0 }, { 67, 65, 78, 71, 0, 0 }, { 67, 65, 79, 0, 0, 0 },
{ 67, 69, 0, 0, 0, 0 }, { 67, 69, 78, 0, 0, 0 }, { 67, 69, 78, 71, 0, 0 },
{ 67, 72, 65, 0, 0, 0 }, { 67, 72, 65, 73, 0, 0 }, { 67, 72, 65, 78, 0, 0 },
{ 67, 72, 65, 78, 71, 0 }, { 67, 72, 65, 79, 0, 0 }, { 67, 72, 69, 0, 0, 0 },
{ 67, 72, 69, 78, 0, 0 }, { 67, 72, 69, 78, 71, 0 }, { 67, 72, 73, 0, 0, 0 },
{ 67, 72, 79, 78, 71, 0 }, { 67, 72, 79, 85, 0, 0 }, { 67, 72, 85, 0, 0, 0 },
{ 67, 72, 85, 65, 0, 0 }, { 67, 72, 85, 65, 73, 0 }, { 67, 72, 85, 65, 78, 0 },
{ 67, 72, 85, 65, 78, 71 }, { 67, 72, 85, 73, 0, 0 }, { 67, 72, 85, 78, 0, 0 },
{ 67, 72, 85, 79, 0, 0 }, { 67, 73, 0, 0, 0, 0 }, { 67, 79, 78, 71, 0, 0 },
{ 67, 79, 85, 0, 0, 0 }, { 67, 85, 0, 0, 0, 0 }, { 67, 85, 65, 78, 0, 0 },
{ 67, 85, 73, 0, 0, 0 }, { 67, 85, 78, 0, 0, 0 }, { 67, 85, 79, 0, 0, 0 },
{ 68, 65, 0, 0, 0, 0 }, { 68, 65, 73, 0, 0, 0 }, { 68, 65, 78, 0, 0, 0 },
{ 68, 65, 78, 71, 0, 0 }, { 68, 65, 79, 0, 0, 0 }, { 68, 69, 0, 0, 0, 0 },
{ 68, 69, 73, 0, 0, 0 }, { 68, 69, 78, 0, 0, 0 }, { 68, 69, 78, 71, 0, 0 },
{ 68, 73, 0, 0, 0, 0 }, { 68, 73, 65, 0, 0, 0 }, { 68, 73, 65, 78, 0, 0 },
{ 68, 73, 65, 79, 0, 0 }, { 68, 73, 69, 0, 0, 0 }, { 68, 73, 78, 71, 0, 0 },
{ 68, 73, 85, 0, 0, 0 }, { 68, 79, 78, 71, 0, 0 }, { 68, 79, 85, 0, 0, 0 },
{ 68, 85, 0, 0, 0, 0 }, { 68, 85, 65, 78, 0, 0 }, { 68, 85, 73, 0, 0, 0 },
{ 68, 85, 78, 0, 0, 0 }, { 68, 85, 79, 0, 0, 0 }, { 69, 0, 0, 0, 0, 0 },
{ 69, 73, 0, 0, 0, 0 }, { 69, 78, 0, 0, 0, 0 }, { 69, 78, 71, 0, 0, 0 },
{ 69, 82, 0, 0, 0, 0 }, { 70, 65, 0, 0, 0, 0 }, { 70, 65, 78, 0, 0, 0 },
{ 70, 65, 78, 71, 0, 0 }, { 70, 69, 73, 0, 0, 0 }, { 70, 69, 78, 0, 0, 0 },
{ 70, 69, 78, 71, 0, 0 }, { 70, 73, 65, 79, 0, 0 }, { 70, 79, 0, 0, 0, 0 },
{ 70, 79, 85, 0, 0, 0 }, { 70, 85, 0, 0, 0, 0 }, { 71, 65, 0, 0, 0, 0 },
{ 71, 65, 73, 0, 0, 0 }, { 71, 65, 78, 0, 0, 0 }, { 71, 65, 78, 71, 0, 0 },
{ 71, 65, 79, 0, 0, 0 }, { 71, 69, 0, 0, 0, 0 }, { 71, 69, 73, 0, 0, 0 },
{ 71, 69, 78, 0, 0, 0 }, { 71, 69, 78, 71, 0, 0 }, { 71, 79, 78, 71, 0, 0 },
{ 71, 79, 85, 0, 0, 0 }, { 71, 85, 0, 0, 0, 0 }, { 71, 85, 65, 0, 0, 0 },
{ 71, 85, 65, 73, 0, 0 }, { 71, 85, 65, 78, 0, 0 }, { 71, 85, 65, 78, 71, 0 },
{ 71, 85, 73, 0, 0, 0 }, { 71, 85, 78, 0, 0, 0 }, { 71, 85, 79, 0, 0, 0 },
{ 72, 65, 0, 0, 0, 0 }, { 72, 65, 73, 0, 0, 0 }, { 72, 65, 78, 0, 0, 0 },
{ 72, 65, 78, 71, 0, 0 }, { 72, 65, 79, 0, 0, 0 }, { 72, 69, 0, 0, 0, 0 },
{ 72, 69, 73, 0, 0, 0 }, { 72, 69, 78, 0, 0, 0 }, { 72, 69, 78, 71, 0, 0 },
{ 72, 77, 0, 0, 0, 0 }, { 72, 79, 78, 71, 0, 0 }, { 72, 79, 85, 0, 0, 0 },
{ 72, 85, 0, 0, 0, 0 }, { 72, 85, 65, 0, 0, 0 }, { 72, 85, 65, 73, 0, 0 },
{ 72, 85, 65, 78, 0, 0 }, { 72, 85, 65, 78, 71, 0 }, { 72, 85, 73, 0, 0, 0 },
{ 72, 85, 78, 0, 0, 0 }, { 72, 85, 79, 0, 0, 0 }, { 74, 73, 0, 0, 0, 0 },
{ 74, 73, 65, 0, 0, 0 }, { 74, 73, 65, 78, 0, 0 }, { 74, 73, 65, 78, 71, 0 },
{ 74, 73, 65, 79, 0, 0 }, { 74, 73, 69, 0, 0, 0 }, { 74, 73, 78, 0, 0, 0 },
{ 74, 73, 78, 71, 0, 0 }, { 74, 73, 79, 78, 71, 0 }, { 74, 73, 85, 0, 0, 0 },
{ 74, 85, 0, 0, 0, 0 }, { 74, 85, 65, 78, 0, 0 }, { 74, 85, 69, 0, 0, 0 },
{ 74, 85, 78, 0, 0, 0 }, { 75, 65, 0, 0, 0, 0 }, { 75, 65, 73, 0, 0, 0 },
{ 75, 65, 78, 0, 0, 0 }, { 75, 65, 78, 71, 0, 0 }, { 75, 65, 79, 0, 0, 0 },
{ 75, 69, 0, 0, 0, 0 }, { 75, 69, 73, 0, 0, 0 }, { 75, 69, 78, 0, 0, 0 },
{ 75, 69, 78, 71, 0, 0 }, { 75, 79, 78, 71, 0, 0 }, { 75, 79, 85, 0, 0, 0 },
{ 75, 85, 0, 0, 0, 0 }, { 75, 85, 65, 0, 0, 0 }, { 75, 85, 65, 73, 0, 0 },
{ 75, 85, 65, 78, 0, 0 }, { 75, 85, 65, 78, 71, 0 }, { 75, 85, 73, 0, 0, 0 },
{ 75, 85, 78, 0, 0, 0 }, { 75, 85, 79, 0, 0, 0 }, { 76, 65, 0, 0, 0, 0 },
{ 76, 65, 73, 0, 0, 0 }, { 76, 65, 78, 0, 0, 0 }, { 76, 65, 78, 71, 0, 0 },
{ 76, 65, 79, 0, 0, 0 }, { 76, 69, 0, 0, 0, 0 }, { 76, 69, 73, 0, 0, 0 },
{ 76, 69, 78, 71, 0, 0 }, { 76, 73, 0, 0, 0, 0 }, { 76, 73, 65, 0, 0, 0 },
{ 76, 73, 65, 78, 0, 0 }, { 76, 73, 65, 78, 71, 0 }, { 76, 73, 65, 79, 0, 0 },
{ 76, 73, 69, 0, 0, 0 }, { 76, 73, 78, 0, 0, 0 }, { 76, 73, 78, 71, 0, 0 },
{ 76, 73, 85, 0, 0, 0 }, { 76, 79, 78, 71, 0, 0 }, { 76, 79, 85, 0, 0, 0 },
{ 76, 85, 0, 0, 0, 0 }, { 76, 85, 65, 78, 0, 0 }, { 76, 85, 69, 0, 0, 0 },
{ 76, 85, 78, 0, 0, 0 }, { 76, 85, 79, 0, 0, 0 }, { 77, 0, 0, 0, 0, 0 },
{ 77, 65, 0, 0, 0, 0 }, { 77, 65, 73, 0, 0, 0 }, { 77, 65, 78, 0, 0, 0 },
{ 77, 65, 78, 71, 0, 0 }, { 77, 65, 79, 0, 0, 0 }, { 77, 69, 0, 0, 0, 0 },
{ 77, 69, 73, 0, 0, 0 }, { 77, 69, 78, 0, 0, 0 }, { 77, 69, 78, 71, 0, 0 },
{ 77, 73, 0, 0, 0, 0 }, { 77, 73, 65, 78, 0, 0 }, { 77, 73, 65, 79, 0, 0 },
{ 77, 73, 69, 0, 0, 0 }, { 77, 73, 78, 0, 0, 0 }, { 77, 73, 78, 71, 0, 0 },
{ 77, 73, 85, 0, 0, 0 }, { 77, 79, 0, 0, 0, 0 }, { 77, 79, 85, 0, 0, 0 },
{ 77, 85, 0, 0, 0, 0 }, { 78, 65, 0, 0, 0, 0 }, { 78, 65, 73, 0, 0, 0 },
{ 78, 65, 78, 0, 0, 0 }, { 78, 65, 78, 71, 0, 0 }, { 78, 65, 79, 0, 0, 0 },
{ 78, 69, 0, 0, 0, 0 }, { 78, 69, 73, 0, 0, 0 }, { 78, 69, 78, 0, 0, 0 },
{ 78, 69, 78, 71, 0, 0 }, { 78, 73, 0, 0, 0, 0 }, { 78, 73, 65, 78, 0, 0 },
{ 78, 73, 65, 78, 71, 0 }, { 78, 73, 65, 79, 0, 0 }, { 78, 73, 69, 0, 0, 0 },
{ 78, 73, 78, 0, 0, 0 }, { 78, 73, 78, 71, 0, 0 }, { 78, 73, 85, 0, 0, 0 },
{ 78, 79, 78, 71, 0, 0 }, { 78, 79, 85, 0, 0, 0 }, { 78, 85, 0, 0, 0, 0 },
{ 78, 85, 65, 78, 0, 0 }, { 78, 85, 69, 0, 0, 0 }, { 78, 85, 79, 0, 0, 0 },
{ 79, 0, 0, 0, 0, 0 }, { 79, 85, 0, 0, 0, 0 }, { 80, 65, 0, 0, 0, 0 },
{ 80, 65, 73, 0, 0, 0 }, { 80, 65, 78, 0, 0, 0 }, { 80, 65, 78, 71, 0, 0 },
{ 80, 65, 79, 0, 0, 0 }, { 80, 69, 73, 0, 0, 0 }, { 80, 69, 78, 0, 0, 0 },
{ 80, 69, 78, 71, 0, 0 }, { 80, 73, 0, 0, 0, 0 }, { 80, 73, 65, 78, 0, 0 },
{ 80, 73, 65, 79, 0, 0 }, { 80, 73, 69, 0, 0, 0 }, { 80, 73, 78, 0, 0, 0 },
{ 80, 73, 78, 71, 0, 0 }, { 80, 79, 0, 0, 0, 0 }, { 80, 79, 85, 0, 0, 0 },
{ 80, 85, 0, 0, 0, 0 }, { 81, 73, 0, 0, 0, 0 }, { 81, 73, 65, 0, 0, 0 },
{ 81, 73, 65, 78, 0, 0 }, { 81, 73, 65, 78, 71, 0 }, { 81, 73, 65, 79, 0, 0 },
{ 81, 73, 69, 0, 0, 0 }, { 81, 73, 78, 0, 0, 0 }, { 81, 73, 78, 71, 0, 0 },
{ 81, 73, 79, 78, 71, 0 }, { 81, 73, 85, 0, 0, 0 }, { 81, 85, 0, 0, 0, 0 },
{ 81, 85, 65, 78, 0, 0 }, { 81, 85, 69, 0, 0, 0 }, { 81, 85, 78, 0, 0, 0 },
{ 82, 65, 78, 0, 0, 0 }, { 82, 65, 78, 71, 0, 0 }, { 82, 65, 79, 0, 0, 0 },
{ 82, 69, 0, 0, 0, 0 }, { 82, 69, 78, 0, 0, 0 }, { 82, 69, 78, 71, 0, 0 },
{ 82, 73, 0, 0, 0, 0 }, { 82, 79, 78, 71, 0, 0 }, { 82, 79, 85, 0, 0, 0 },
{ 82, 85, 0, 0, 0, 0 }, { 82, 85, 65, 78, 0, 0 }, { 82, 85, 73, 0, 0, 0 },
{ 82, 85, 78, 0, 0, 0 }, { 82, 85, 79, 0, 0, 0 }, { 83, 65, 0, 0, 0, 0 },
{ 83, 65, 73, 0, 0, 0 }, { 83, 65, 78, 0, 0, 0 }, { 83, 65, 78, 71, 0, 0 },
{ 83, 65, 79, 0, 0, 0 }, { 83, 69, 0, 0, 0, 0 }, { 83, 69, 78, 0, 0, 0 },
{ 83, 69, 78, 71, 0, 0 }, { 83, 72, 65, 0, 0, 0 }, { 83, 72, 65, 73, 0, 0 },
{ 83, 72, 65, 78, 0, 0 }, { 83, 72, 65, 78, 71, 0 }, { 83, 72, 65, 79, 0, 0 },
{ 83, 72, 69, 0, 0, 0 }, { 83, 72, 69, 78, 0, 0 }, { 83, 72, 69, 78, 71, 0 },
{ 83, 72, 73, 0, 0, 0 }, { 83, 72, 79, 85, 0, 0 }, { 83, 72, 85, 0, 0, 0 },
{ 83, 72, 85, 65, 0, 0 }, { 83, 72, 85, 65, 73, 0 }, { 83, 72, 85, 65, 78, 0 },
{ 83, 72, 85, 65, 78, 71 }, { 83, 72, 85, 73, 0, 0 }, { 83, 72, 85, 78, 0, 0 },
{ 83, 72, 85, 79, 0, 0 }, { 83, 73, 0, 0, 0, 0 }, { 83, 79, 78, 71, 0, 0 },
{ 83, 79, 85, 0, 0, 0 }, { 83, 85, 0, 0, 0, 0 }, { 83, 85, 65, 78, 0, 0 },
{ 83, 85, 73, 0, 0, 0 }, { 83, 85, 78, 0, 0, 0 }, { 83, 85, 79, 0, 0, 0 },
{ 84, 65, 0, 0, 0, 0 }, { 84, 65, 73, 0, 0, 0 }, { 84, 65, 78, 0, 0, 0 },
{ 84, 65, 78, 71, 0, 0 }, { 84, 65, 79, 0, 0, 0 }, { 84, 69, 0, 0, 0, 0 },
{ 84, 69, 78, 71, 0, 0 }, { 84, 73, 0, 0, 0, 0 }, { 84, 73, 65, 78, 0, 0 },
{ 84, 73, 65, 79, 0, 0 }, { 84, 73, 69, 0, 0, 0 }, { 84, 73, 78, 71, 0, 0 },
{ 84, 79, 78, 71, 0, 0 }, { 84, 79, 85, 0, 0, 0 }, { 84, 85, 0, 0, 0, 0 },
{ 84, 85, 65, 78, 0, 0 }, { 84, 85, 73, 0, 0, 0 }, { 84, 85, 78, 0, 0, 0 },
{ 84, 85, 79, 0, 0, 0 }, { 87, 65, 0, 0, 0, 0 }, { 87, 65, 73, 0, 0, 0 },
{ 87, 65, 78, 0, 0, 0 }, { 87, 65, 78, 71, 0, 0 }, { 87, 69, 73, 0, 0, 0 },
{ 87, 69, 78, 0, 0, 0 }, { 87, 69, 78, 71, 0, 0 }, { 87, 79, 0, 0, 0, 0 },
{ 87, 85, 0, 0, 0, 0 }, { 88, 73, 0, 0, 0, 0 }, { 88, 73, 65, 0, 0, 0 },
{ 88, 73, 65, 78, 0, 0 }, { 88, 73, 65, 78, 71, 0 }, { 88, 73, 65, 79, 0, 0 },
{ 88, 73, 69, 0, 0, 0 }, { 88, 73, 78, 0, 0, 0 }, { 88, 73, 78, 71, 0, 0 },
{ 88, 73, 79, 78, 71, 0 }, { 88, 73, 85, 0, 0, 0 }, { 88, 85, 0, 0, 0, 0 },
{ 88, 85, 65, 78, 0, 0 }, { 88, 85, 69, 0, 0, 0 }, { 88, 85, 78, 0, 0, 0 },
{ 89, 65, 0, 0, 0, 0 }, { 89, 65, 78, 0, 0, 0 }, { 89, 65, 78, 71, 0, 0 },
{ 89, 65, 79, 0, 0, 0 }, { 89, 69, 0, 0, 0, 0 }, { 89, 73, 0, 0, 0, 0 },
{ 89, 73, 78, 0, 0, 0 }, { 89, 73, 78, 71, 0, 0 }, { 89, 79, 0, 0, 0, 0 },
{ 89, 79, 78, 71, 0, 0 }, { 89, 79, 85, 0, 0, 0 }, { 89, 85, 0, 0, 0, 0 },
{ 89, 85, 65, 78, 0, 0 }, { 89, 85, 69, 0, 0, 0 }, { 89, 85, 78, 0, 0, 0 },
{ 90, 65, 0, 0, 0, 0 }, { 90, 65, 73, 0, 0, 0 }, { 90, 65, 78, 0, 0, 0 },
{ 90, 65, 78, 71, 0, 0 }, { 90, 65, 79, 0, 0, 0 }, { 90, 69, 0, 0, 0, 0 },
{ 90, 69, 73, 0, 0, 0 }, { 90, 69, 78, 0, 0, 0 }, { 90, 69, 78, 71, 0, 0 },
{ 90, 72, 65, 0, 0, 0 }, { 90, 72, 65, 73, 0, 0 }, { 90, 72, 65, 78, 0, 0 },
{ 90, 72, 65, 78, 71, 0 }, { 90, 72, 65, 79, 0, 0 }, { 90, 72, 69, 0, 0, 0 },
{ 90, 72, 69, 78, 0, 0 }, { 90, 72, 69, 78, 71, 0 }, { 90, 72, 73, 0, 0, 0 },
{ 90, 72, 79, 78, 71, 0 }, { 90, 72, 79, 85, 0, 0 }, { 90, 72, 85, 0, 0, 0 },
{ 90, 72, 85, 65, 0, 0 }, { 90, 72, 85, 65, 73, 0 }, { 90, 72, 85, 65, 78, 0 },
{ 90, 72, 85, 65, 78, 71 }, { 90, 72, 85, 73, 0, 0 }, { 90, 72, 85, 78, 0, 0 },
{ 90, 72, 85, 79, 0, 0 }, { 90, 73, 0, 0, 0, 0 }, { 90, 79, 78, 71, 0, 0 },
{ 90, 79, 85, 0, 0, 0 }, { 90, 85, 0, 0, 0, 0 }, { 90, 85, 65, 78, 0, 0 },
{ 90, 85, 73, 0, 0, 0 }, { 90, 85, 78, 0, 0, 0 }, { 90, 85, 79, 0, 0, 0 }, };
/** First and last Chinese character with known Pinyin according to zh collation */
private static final String FIRST_PINYIN_UNIHAN = "\u963F";
private static final String LAST_PINYIN_UNIHAN = "\u84D9";
/** The first Chinese character in Unicode block */
private static final char FIRST_UNIHAN = '\u3400';
private static final Collator COLLATOR = Collator.getInstance(Locale.CHINA);
private static HanziToPinyin sInstance;
private final boolean mHasChinaCollator;
public static class Token {
/**
* Separator between target string for each source char
*/
public static final String SEPARATOR = " ";
public static final int LATIN = 1;
public static final int PINYIN = 2;
public static final int UNKNOWN = 3;
public Token() {
}
public Token(int type, String source, String target) {
this.type = type;
this.source = source;
this.target = target;
}
/**
* Type of this token, ASCII, PINYIN or UNKNOWN.
*/
public int type;
/**
* Original string before translation.
*/
public String source;
/**
* Translated string of source. For Han, target is corresponding Pinyin. Otherwise target is
* original string in source.
*/
public String target;
}
protected HanziToPinyin(boolean hasChinaCollator) {
mHasChinaCollator = hasChinaCollator;
}
public static HanziToPinyin getInstance() {
synchronized (HanziToPinyin.class) {
if (sInstance != null) {
return sInstance;
}
// Check if zh_CN collation data is available
final Locale locale[] = Collator.getAvailableLocales();
for (int i = 0; i < locale.length; i++) {
if (locale[i].equals(Locale.CHINA)) {
// Do self validation just once.
if (DEBUG) {
Log.d(TAG, "Self validation. Result: " + doSelfValidation());
}
sInstance = new HanziToPinyin(true);
return sInstance;
}
}
Log.w(TAG, "There is no Chinese collator, HanziToPinyin is disabled");
sInstance = new HanziToPinyin(false);
return sInstance;
}
}
/**
* Validate if our internal table has some wrong value.
*
* @return true when the table looks correct.
*/
private static boolean doSelfValidation() {
char lastChar = UNIHANS[0];
String lastString = Character.toString(lastChar);
for (char c : UNIHANS) {
if (lastChar == c) {
continue;
}
final String curString = Character.toString(c);
int cmp = COLLATOR.compare(lastString, curString);
if (cmp >= 0) {
Log.e(TAG, "Internal error in Unihan table. " + "The last string \"" + lastString
+ "\" is greater than current string \"" + curString + "\".");
return false;
}
lastString = curString;
}
return true;
}
private Token getToken(char character) {
Token token = new Token();
final String letter = Character.toString(character);
token.source = letter;
int offset = -1;
int cmp;
if (character < 256) {
token.type = Token.LATIN;
token.target = letter;
return token;
} else if (character < FIRST_UNIHAN) {
token.type = Token.UNKNOWN;
token.target = letter;
return token;
} else {
cmp = COLLATOR.compare(letter, FIRST_PINYIN_UNIHAN);
if (cmp < 0) {
token.type = Token.UNKNOWN;
token.target = letter;
return token;
} else if (cmp == 0) {
token.type = Token.PINYIN;
offset = 0;
} else {
cmp = COLLATOR.compare(letter, LAST_PINYIN_UNIHAN);
if (cmp > 0) {
token.type = Token.UNKNOWN;
token.target = letter;
return token;
} else if (cmp == 0) {
token.type = Token.PINYIN;
offset = UNIHANS.length - 1;
}
}
}
token.type = Token.PINYIN;
if (offset < 0) {
int begin = 0;
int end = UNIHANS.length - 1;
while (begin <= end) {
offset = (begin + end) / 2;
final String unihan = Character.toString(UNIHANS[offset]);
cmp = COLLATOR.compare(letter, unihan);
if (cmp == 0) {
break;
} else if (cmp > 0) {
begin = offset + 1;
} else {
end = offset - 1;
}
}
}
if (cmp < 0) {
offset--;
}
StringBuilder pinyin = new StringBuilder();
for (int j = 0; j < PINYINS[offset].length && PINYINS[offset][j] != 0; j++) {
pinyin.append((char) PINYINS[offset][j]);
}
token.target = pinyin.toString();
return token;
}
/**
* Convert the input to a array of tokens. The sequence of ASCII or Unknown characters without
* space will be put into a Token, One Hanzi character which has pinyin will be treated as a
* Token. If these is no China collator, the empty token array is returned.
*/
public ArrayList<Token> get(final String input) {
ArrayList<Token> tokens = new ArrayList<Token>();
if (!mHasChinaCollator || TextUtils.isEmpty(input)) {
// return empty tokens.
return tokens;
}
final int inputLength = input.length();
final StringBuilder sb = new StringBuilder();
int tokenType = Token.LATIN;
// Go through the input, create a new token when
// a. Token type changed
// b. Get the Pinyin of current charater.
// c. current character is space.
for (int i = 0; i < inputLength; i++) {
final char character = input.charAt(i);
if (character == ' ') {
if (sb.length() > 0) {
addToken(sb, tokens, tokenType);
}
} else if (character < 256) {
if (tokenType != Token.LATIN && sb.length() > 0) {
addToken(sb, tokens, tokenType);
}
tokenType = Token.LATIN;
sb.append(character);
} else if (character < FIRST_UNIHAN) {
if (tokenType != Token.UNKNOWN && sb.length() > 0) {
addToken(sb, tokens, tokenType);
}
tokenType = Token.UNKNOWN;
sb.append(character);
} else {
Token t = getToken(character);
if (t.type == Token.PINYIN) {
if (sb.length() > 0) {
addToken(sb, tokens, tokenType);
}
tokens.add(t);
tokenType = Token.PINYIN;
} else {
if (tokenType != t.type && sb.length() > 0) {
addToken(sb, tokens, tokenType);
}
tokenType = t.type;
sb.append(character);
}
}
}
if (sb.length() > 0) {
addToken(sb, tokens, tokenType);
}
return tokens;
}
private void addToken(
final StringBuilder sb, final ArrayList<Token> tokens, final int tokenType) {
String str = sb.toString();
tokens.add(new Token(tokenType, str, str));
sb.setLength(0);
}
//The fillowing lines are provided and maintained by Mediatek inc.
private class DialerSearchToken extends Token {
static final int FIRSTCASE = 0;
static final int UPPERCASE = 1;
static final int LOWERCASE = 2;
}
public String getTokensForDialerSearch(final String input, StringBuilder offsets){
if(offsets == null || input == null || TextUtils.isEmpty(input)){
// return empty tokens
return null;
}
StringBuilder subStrSet = new StringBuilder();
ArrayList<Token> tokens = new ArrayList<Token>();
ArrayList<String> shortSubStrOffset = new ArrayList<String>();
final int inputLength = input.length();
final StringBuilder subString = new StringBuilder();
final StringBuilder subStrOffset = new StringBuilder();
int tokenType = Token.LATIN;
int caseTypePre = DialerSearchToken.FIRSTCASE;
int caseTypeCurr = DialerSearchToken.UPPERCASE;
int mPos = 0;
// Go through the input, create a new token when
// a. Token type changed
// b. Get the Pinyin of current charater.
// c. current character is space.
// d. Token case changed from lower case to upper case,
// e. the first character is always a separated one
// f character == '+' || character == '#' || character == '*' || character == ',' || character == ';'
for (int i = 0; i < inputLength; i++) {
final char character = input.charAt(i);
if (character == '-' || character == ',' ){
mPos++;
} else if (character == ' ') {
if (subString.length() > 0) {
addToken(subString, tokens, tokenType);
addOffsets(subStrOffset, shortSubStrOffset);
}
addSubString(tokens,shortSubStrOffset,subStrSet,offsets);
mPos++;
caseTypePre = DialerSearchToken.FIRSTCASE;
} else if (character < 256) {
if (tokenType != Token.LATIN && subString.length() > 0) {
addToken(subString, tokens, tokenType);
addOffsets(subStrOffset, shortSubStrOffset);
}
caseTypeCurr = (character>='A' && character<='Z')?DialerSearchToken.UPPERCASE:DialerSearchToken.LOWERCASE;
if(caseTypePre == DialerSearchToken.LOWERCASE && caseTypeCurr == DialerSearchToken.UPPERCASE){
addToken(subString, tokens, tokenType);
addOffsets(subStrOffset, shortSubStrOffset);
}
caseTypePre = caseTypeCurr;
tokenType = Token.LATIN;
Character c = Character.toUpperCase(character);
if(c != null){
subString.append(c);
subStrOffset.append((char)mPos);
}
mPos++;
} else if (character < FIRST_UNIHAN) {
//Comment out. Do not cover unknown characters SINCE they can not be input.
// if (tokenType != Token.UNKNOWN && subString.length() > 0) {
// addToken(subString, tokens, tokenType);
// addOffsets(subStrOffset, shortSubStrOffset);
// caseTypePre = Token.FIRSTCASE;
// }
// tokenType = Token.UNKNOWN;
// Character c = Character.toUpperCase(character);
// if(c != null){
// subString.append(c);
// subStrOffset.append((char)(mPos));
// }
mPos++;
} else {
Token t = getToken(character);
int tokenSize = t.target.length();
//Current type is PINYIN
if (t.type == Token.PINYIN) {
if (subString.length() > 0) {
addToken(subString, tokens, tokenType);
addOffsets(subStrOffset, shortSubStrOffset);
}
tokens.add(t);
for(int j=0; j < tokenSize;j++)
subStrOffset.append((char)mPos);
addOffsets(subStrOffset,shortSubStrOffset);
tokenType = Token.PINYIN;
caseTypePre = DialerSearchToken.FIRSTCASE;
mPos++;
} else {
//Comment out. Do not cover special characters SINCE they can not be input.
// if (tokenType != t.type && subString.length() > 0) {
// addToken(subString, tokens, tokenType);
// addOffsets(subStrOffset, shortSubStrOffset);
// caseTypePre = Token.FIRSTCASE;
// }else{
// caseTypeCurr = (character>='A' && character<='Z')?Token.UPPERCASE:Token.LOWERCASE;
// if(caseTypePre == Token.LOWERCASE && caseTypeCurr == Token.UPPERCASE){
// addToken(subString, tokens, tokenType);
// addOffsets(subStrOffset, shortSubStrOffset);
// }
// caseTypePre = caseTypeCurr;
// }
// tokenType = t.type;
// Character c = Character.toUpperCase(character);
// if(c != null){
// subString.append(c);
// subStrOffset.append(mPos);
// }
mPos++;
}
}
//IF the name string is too long, cut it off to meet the storage request of dialer search.
if(mPos > 127)
break;
}
if (subString.length() > 0) {
addToken(subString, tokens, tokenType);
addOffsets(subStrOffset, shortSubStrOffset);
}
addSubString(tokens,shortSubStrOffset,subStrSet,offsets);
return subStrSet.toString();
}
private void addOffsets(final StringBuilder sb, final ArrayList<String> shortSubStrOffset){
String str = sb.toString();
shortSubStrOffset.add(str);
sb.setLength(0);
}
private void addSubString(final ArrayList<Token> tokens, final ArrayList<String> shortSubStrOffset,
StringBuilder subStrSet, StringBuilder offsets){
if(tokens == null || tokens.isEmpty())
return;
int size = tokens.size();
int len = 0;
StringBuilder mShortSubStr = new StringBuilder();
StringBuilder mShortSubStrOffsets = new StringBuilder();
StringBuilder mShortSubStrSet = new StringBuilder();
StringBuilder mShortSubStrOffsetsSet = new StringBuilder();
for(int i=size-1; i>=0 ; i--){
String mTempStr = tokens.get(i).target;
len += mTempStr.length();
String mTempOffset = shortSubStrOffset.get(i);
if(mShortSubStr.length()>0){
mShortSubStr.deleteCharAt(0);
mShortSubStrOffsets.deleteCharAt(0);
}
mShortSubStr.insert(0, mTempStr);
mShortSubStr.insert(0,(char)len);
mShortSubStrOffsets.insert(0,mTempOffset);
mShortSubStrOffsets.insert(0,(char)len);
mShortSubStrSet.insert(0,mShortSubStr);
mShortSubStrOffsetsSet.insert(0, mShortSubStrOffsets);
}
subStrSet.append(mShortSubStrSet);
offsets.append(mShortSubStrOffsetsSet);
tokens.clear();
shortSubStrOffset.clear();
}
//The previous lines are provided and maintained by Mediatek inc.
}
使用方法
/*漢字轉為拼音*/
public static String getPinYin(String input) {
ArrayList<Token> tokens = HanziToPinyin.getInstance().get(input);
StringBuilder sb = new StringBuilder();
if (tokens != null && tokens.size() > 0) {
for (Token token : tokens) {
if (Token.PINYIN == token.type) {
sb.append(token.target);
} else {
sb.append(token.source);
}
}
}
return sb.toString().toLowerCase();
}
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