Android 系统汉字转拼音 HanziToPinyin

使用Android 自动代码实现汉字转拼音，满足普通的转换需求，避免引入第三方库带来的包体积增加

Android 不同版本实现方式有所不同；涉及到版本兼容问题，做点版本判断即可，不重要；

使用方式类似：

ArrayList<HanziToPinyin.Token> tokens = HanziToPinyin.getInstance(true).get("娜兼容问题");
for (int i = 0; i < tokens.size(); i++) {System.out.println("Token target:" + tokens.get(i).target);
}

输出结果：

System.out: Token target:NA
System.out: Token target:JIAN
System.out: Token target:RONG
System.out: Token target:WEN
System.out: Token target:TI

我们可以把这个三个版本代码稍作修改合成一个兼容所有版本的 $HanziToPinyin$

为了方便，我选择了稍作修改 Android 4.0.4版本的代码，其他版本的只是观察一下变动。

Android 4.0.4

/** 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.*/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*/
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(boolean hasChinaCollator) {sInstance = new HanziToPinyin(hasChinaCollator);return sInstance;}public static HanziToPinyin getInstance() {synchronized (HanziToPinyin.class) {if (sInstance != null) {return sInstance;}// Check if zh_CN collation data is availablefinal 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);}
}

Android 4.3

 implementation 'com.ibm.icu:icu4j:_version'

/** 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 com.android.providers.contacts;import android.text.TextUtils;
import android.util.Log;import java.util.ArrayList;
import java.util.Locale;import libcore.icu.Transliterator;/*** An object to convert Chinese character to its corresponding pinyin string.* For characters with multiple possible pinyin string, only one is selected* according to ICU Transliterator class. Polyphone is not supported in this* implementation.*/
public class HanziToPinyin {private static final String TAG = "HanziToPinyin";private static HanziToPinyin sInstance;private Transliterator mPinyinTransliterator;private Transliterator mAsciiTransliterator;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;}private HanziToPinyin() {try {mPinyinTransliterator = new Transliterator("Han-Latin/Names; Latin-Ascii; Any-Upper");mAsciiTransliterator = new Transliterator("Latin-Ascii");} catch (RuntimeException e) {Log.w(TAG, "Han-Latin/Names transliterator data is missing,"+ " HanziToPinyin is disabled");}}public boolean hasChineseTransliterator() {return mPinyinTransliterator != null;}public static HanziToPinyin getInstance() {synchronized (HanziToPinyin.class) {if (sInstance == null) {sInstance = new HanziToPinyin();}return sInstance;}}private void tokenize(char character, Token token) {token.source = Character.toString(character);// ASCIIif (character < 128) {token.type = Token.LATIN;token.target = token.source;return;}// Extended Latin. Transcode these to ASCII equivalentsif (character < 0x250 || (0x1e00 <= character && character < 0x1eff)) {token.type = Token.LATIN;token.target = mAsciiTransliterator == null ? token.source :mAsciiTransliterator.transliterate(token.source);return;}token.type = Token.PINYIN;token.target = mPinyinTransliterator.transliterate(token.source);if (TextUtils.isEmpty(token.target) ||TextUtils.equals(token.source, token.target)) {token.type = Token.UNKNOWN;token.target = token.source;}}/*** 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 there is no Chinese transliterator, the empty token array is returned.*/public ArrayList<Token> get(final String input) {ArrayList<Token> tokens = new ArrayList<Token>();if (!hasChineseTransliterator() || TextUtils.isEmpty(input)) {// return empty tokens.return tokens;}final int inputLength = input.length();final StringBuilder sb = new StringBuilder();int tokenType = Token.LATIN;Token token = new Token();// 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.isSpaceChar(character)) {if (sb.length() > 0) {addToken(sb, tokens, tokenType);}} else {tokenize(character, token);if (token.type == Token.PINYIN) {if (sb.length() > 0) {addToken(sb, tokens, tokenType);}tokens.add(token);token = new Token();} else {if (tokenType != token.type && sb.length() > 0) {addToken(sb, tokens, tokenType);}sb.append(token.target);}tokenType = token.type;}}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);}
}

Android 7.0

/** 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 com.android.providers.contacts;import android.icu.text.Transliterator;
import android.text.TextUtils;
import android.util.Log;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 ICU Transliterator class. Polyphone is not supported in this* implementation.*/
public class HanziToPinyin {private static final String TAG = "HanziToPinyin";private static HanziToPinyin sInstance;private Transliterator mPinyinTransliterator;private Transliterator mAsciiTransliterator;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;}private HanziToPinyin() {try {mPinyinTransliterator = Transliterator.getInstance("Han-Latin/Names; Latin-Ascii; Any-Upper");mAsciiTransliterator = Transliterator.getInstance("Latin-Ascii");} catch (IllegalArgumentException e) {Log.w(TAG, "Han-Latin/Names transliterator data is missing,"+ " HanziToPinyin is disabled");}}public boolean hasChineseTransliterator() {return mPinyinTransliterator != null;}public static HanziToPinyin getInstance() {synchronized (HanziToPinyin.class) {if (sInstance == null) {sInstance = new HanziToPinyin();}return sInstance;}}private void tokenize(char character, Token token) {token.source = Character.toString(character);// ASCIIif (character < 128) {token.type = Token.LATIN;token.target = token.source;return;}// Extended Latin. Transcode these to ASCII equivalentsif (character < 0x250 || (0x1e00 <= character && character < 0x1eff)) {token.type = Token.LATIN;token.target = mAsciiTransliterator == null ? token.source :mAsciiTransliterator.transliterate(token.source);return;}token.type = Token.PINYIN;token.target = mPinyinTransliterator.transliterate(token.source);if (TextUtils.isEmpty(token.target) ||TextUtils.equals(token.source, token.target)) {token.type = Token.UNKNOWN;token.target = token.source;}}public String transliterate(final String input) {if (!hasChineseTransliterator() || TextUtils.isEmpty(input)) {return null;}return mPinyinTransliterator.transliterate(input);}/*** 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 there is no Chinese transliterator, the empty token array is returned.*/public ArrayList<Token> getTokens(final String input) {ArrayList<Token> tokens = new ArrayList<Token>();if (!hasChineseTransliterator() || TextUtils.isEmpty(input)) {// return empty tokens.return tokens;}final int inputLength = input.length();final StringBuilder sb = new StringBuilder();int tokenType = Token.LATIN;Token token = new Token();// 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.isSpaceChar(character)) {if (sb.length() > 0) {addToken(sb, tokens, tokenType);}} else {tokenize(character, token);if (token.type == Token.PINYIN) {if (sb.length() > 0) {addToken(sb, tokens, tokenType);}tokens.add(token);token = new Token();} else {if (tokenType != token.type && sb.length() > 0) {addToken(sb, tokens, tokenType);}sb.append(token.target);}tokenType = token.type;}}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);}
}

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