Android系统本身自带有有将汉字转化为英文拼音的类和方法。具体的类就是HanziToPinyin.Java。Android系统自身实现的通讯录中就使用了HanziToPinyin.java对中文通讯录做分组整理。通过HanziToPinyin.java可以将汉字转化为拼音输出，在一些应用中非常必须，比如联系人的分组，假设一个人通讯录中存有若干姓张（ZHANG）的联系人，那么所有姓张的联系人按理都应该分组在“Z”组下。又比如微信、QQ等等此类社交类APP，凡是涉及到联系人、好友分组排序的应用场景，则均需要将汉字转化为拼音然后依据首字母排序归类。
HanziToPinyin.java不是一个公开的类，只是谷歌官方内部在实现Android通讯录中私有使用的一个类，我们不能够直接像使用普通Android SDK API一样使用，但这没关系，我们完全可以将这个类文件拷贝出来，放到我们自己的项目中，直接使用。
HanziToPinyin.java的代码文件，谷歌官方的通讯录APP下：

packages/providers/ContactsProvider /src/com/android/providers/contacts/HanziToPinyin.java

网上也有这个HanziToPinyin.java类文件的项目地址。但是，直接使用这个 类不能正常工作，错误原因是：

"There is no Chinese collator, HanziToPinyin is disabled"

发生这一错误的代码块是在HanziToPinyin.java的方法：
public static HanziToPinyin getInstance();
具体原因是这个方法在一些非原生定制的Android系统中，对中文Locale的定义规则不同，导致原代码文件中的locale[i].equals(Locale.CHINA)返回false，不能识别，致使以后的代码全部失去功效。

对此问题的修复（解决方案）

我改进了判断条件，增加一些代码：
final Locale chinaAddition = new Locale("zh");
将此chinaAddition作为辅助条件也加入到条件判断中，

if ( locale[i].equals(Locale.CHINA) ||  locale[i].equals(chinaAddition) ){
…
}

下面是我改进后的getInstance()方法全部代码：

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();  // 增加的代码，增强。  final Locale chinaAddition = new Locale("zh");  for (int i = 0; i < locale.length; i++) {  if (locale[i].equals(Locale.CHINA)  || locale[i].equals(chinaAddition)) {  // 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;  }  }

经由改进增强，HanziToPinyin.java的全部源代码如下（代码可以复制到自己的项目中直接使用）：

/* * Copyright (C) 2011 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * *      http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */  package zhangphil.hanyupinyin;  import android.text.TextUtils;
import android.util.Log;  import java.text.Collator;
import java.util.ArrayList;
import java.util.Locale;  /** * 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 鏉ヨ嚜android4.2婧愮爜 */
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 when collator is zh_CN. */  public static final char[] UNIHANS = { '\u963f', '\u54ce', '\u5b89',  '\u80ae', '\u51f9', '\u516b', '\u6300', '\u6273', '\u90a6',  '\u52f9', '\u9642', '\u5954', '\u4f3b', '\u5c44', '\u8fb9',  '\u706c', '\u618b', '\u6c43', '\u51ab', '\u7676', '\u5cec',  '\u5693', '\u5072', '\u53c2', '\u4ed3', '\u64a1', '\u518a',  '\u5d7e', '\u66fd', '\u66fe', '\u5c64', '\u53c9', '\u8286',  '\u8fbf', '\u4f25', '\u6284', '\u8f66', '\u62bb', '\u6c88',  '\u6c89', '\u9637', '\u5403', '\u5145', '\u62bd', '\u51fa',  '\u6b3b', '\u63e3', '\u5ddb', '\u5205', '\u5439', '\u65fe',  '\u9034', '\u5472', '\u5306', '\u51d1', '\u7c97', '\u6c46',  '\u5d14', '\u90a8', '\u6413', '\u5491', '\u5446', '\u4e39',  '\u5f53', '\u5200', '\u561a', '\u6265', '\u706f', '\u6c10',  '\u55f2', '\u7538', '\u5201', '\u7239', '\u4e01', '\u4e1f',  '\u4e1c', '\u543a', '\u53be', '\u8011', '\u8968', '\u5428',  '\u591a', '\u59b8', '\u8bf6', '\u5940', '\u97a5', '\u513f',  '\u53d1', '\u5e06', '\u531a', '\u98de', '\u5206', '\u4e30',  '\u8985', '\u4ecf', '\u7d11', '\u4f15', '\u65ee', '\u4f85',  '\u7518', '\u5188', '\u768b', '\u6208', '\u7ed9', '\u6839',  '\u522f', '\u5de5', '\u52fe', '\u4f30', '\u74dc', '\u4e56',  '\u5173', '\u5149', '\u5f52', '\u4e28', '\u5459', '\u54c8',  '\u548d', '\u4f44', '\u592f', '\u8320', '\u8bc3', '\u9ed2',  '\u62eb', '\u4ea8', '\u5677', '\u53ff', '\u9f41', '\u4e6f',  '\u82b1', '\u6000', '\u72bf', '\u5ddf', '\u7070', '\u660f',  '\u5419', '\u4e0c', '\u52a0', '\u620b', '\u6c5f', '\u827d',  '\u9636', '\u5dfe', '\u5755', '\u5182', '\u4e29', '\u51e5',  '\u59e2', '\u5658', '\u519b', '\u5494', '\u5f00', '\u520a',  '\u5ffc', '\u5c3b', '\u533c', '\u808e', '\u52a5', '\u7a7a',  '\u62a0', '\u625d', '\u5938', '\u84af', '\u5bbd', '\u5321',  '\u4e8f', '\u5764', '\u6269', '\u5783', '\u6765', '\u5170',  '\u5577', '\u635e', '\u808b', '\u52d2', '\u5d1a', '\u5215',  '\u4fe9', '\u5941', '\u826f', '\u64a9', '\u5217', '\u62ce',  '\u5222', '\u6e9c', '\u56d6', '\u9f99', '\u779c', '\u565c',  '\u5a08', '\u7567', '\u62a1', '\u7f57', '\u5463', '\u5988',  '\u57cb', '\u5ada', '\u7264', '\u732b', '\u4e48', '\u5445',  '\u95e8', '\u753f', '\u54aa', '\u5b80', '\u55b5', '\u4e5c',  '\u6c11', '\u540d', '\u8c2c', '\u6478', '\u54de', '\u6bea',  '\u55ef', '\u62cf', '\u8149', '\u56e1', '\u56d4', '\u5b6c',  '\u7592', '\u5a1e', '\u6041', '\u80fd', '\u59ae', '\u62c8',  '\u5b22', '\u9e1f', '\u634f', '\u56dc', '\u5b81', '\u599e',  '\u519c', '\u7fba', '\u5974', '\u597b', '\u759f', '\u9ec1',  '\u90cd', '\u5594', '\u8bb4', '\u5991', '\u62cd', '\u7705',  '\u4e53', '\u629b', '\u5478', '\u55b7', '\u5309', '\u4e15',  '\u56e8', '\u527d', '\u6c15', '\u59d8', '\u4e52', '\u948b',  '\u5256', '\u4ec6', '\u4e03', '\u6390', '\u5343', '\u545b',  '\u6084', '\u767f', '\u4eb2', '\u72c5', '\u828e', '\u4e18',  '\u533a', '\u5cd1', '\u7f3a', '\u590b', '\u5465', '\u7a63',  '\u5a06', '\u60f9', '\u4eba', '\u6254', '\u65e5', '\u8338',  '\u53b9', '\u909a', '\u633c', '\u5827', '\u5a51', '\u77a4',  '\u637c', '\u4ee8', '\u6be2', '\u4e09', '\u6852', '\u63bb',  '\u95aa', '\u68ee', '\u50e7', '\u6740', '\u7b5b', '\u5c71',  '\u4f24', '\u5f30', '\u5962', '\u7533', '\u8398', '\u6552',  '\u5347', '\u5c38', '\u53ce', '\u4e66', '\u5237', '\u8870',  '\u95e9', '\u53cc', '\u8c01', '\u542e', '\u8bf4', '\u53b6',  '\u5fea', '\u635c', '\u82cf', '\u72fb', '\u590a', '\u5b59',  '\u5506', '\u4ed6', '\u56fc', '\u574d', '\u6c64', '\u5932',  '\u5fd1', '\u71a5', '\u5254', '\u5929', '\u65eb', '\u5e16',  '\u5385', '\u56f2', '\u5077', '\u51f8', '\u6e4d', '\u63a8',  '\u541e', '\u4e47', '\u7a75', '\u6b6a', '\u5f2f', '\u5c23',  '\u5371', '\u6637', '\u7fc1', '\u631d', '\u4e4c', '\u5915',  '\u8672', '\u4eda', '\u4e61', '\u7071', '\u4e9b', '\u5fc3',  '\u661f', '\u51f6', '\u4f11', '\u5401', '\u5405', '\u524a',  '\u5743', '\u4e2b', '\u6079', '\u592e', '\u5e7a', '\u503b',  '\u4e00', '\u56d9', '\u5e94', '\u54df', '\u4f63', '\u4f18',  '\u625c', '\u56e6', '\u66f0', '\u6655', '\u7b60', '\u7b7c',  '\u5e00', '\u707d', '\u5142', '\u5328', '\u50ae', '\u5219',  '\u8d3c', '\u600e', '\u5897', '\u624e', '\u635a', '\u6cbe',  '\u5f20', '\u957f', '\u9577', '\u4f4b', '\u8707', '\u8d1e',  '\u4e89', '\u4e4b', '\u5cd9', '\u5ea2', '\u4e2d', '\u5dde',  '\u6731', '\u6293', '\u62fd', '\u4e13', '\u5986', '\u96b9',  '\u5b92', '\u5353', '\u4e72', '\u5b97', '\u90b9', '\u79df',  '\u94bb', '\u539c', '\u5c0a', '\u6628', '\u5159', '\u9fc3',  '\u9fc4', };  /** * 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 },  { 90, 69, 78, 71, 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 }, { 83, 72, 69, 78, 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, 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, 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, 0, 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, 0, 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, 78, 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, 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 },  { 88, 73, 78, 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 },  { 74, 85, 78, 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 }, { 67, 72, 65, 78, 71, 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 },  { 83, 72, 73, 0, 0, 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 },  { 0, 0, 0, 0, 0, 0 }, { 83, 72, 65, 78, 0, 0 },  { 0, 0, 0, 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 = "\u9FFF";  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();  // 增加的代码，增强。  final Locale chinaAddition = new Locale("zh");  for (int i = 0; i < locale.length; i++) {  if (locale[i].equals(Locale.CHINA)  || locale[i].equals(chinaAddition)) {  // 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 {  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();  if (TextUtils.isEmpty(token.target)) {  token.type = Token.UNKNOWN;  token.target = token.source;  }  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 {  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);  }
}

写一个MainActivity.java测试汉字转化为汉语拼音输出的效果：

package zhangphil.hanyupinyin;  import java.util.ArrayList;  import zhangphil.hanyupinyin.HanziToPinyin.Token;
import android.app.Activity;
import android.os.Bundle;  public class MainActivity extends Activity {  @Override  protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  String s = "安卓";  System.out.println("汉字转拼音输出: " + getPinYin(s));  }  // 输入汉字返回拼音的通用方法函数。  public static String getPinYin(String hanzi) {  ArrayList<Token> tokens = HanziToPinyin.getInstance().get(hanzi);  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().toUpperCase();  }
}

结果输出如图：

原文

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