android 获取汉字拼音
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由于前段时间项目需要，研究了下android各个版本中的汉字转拼音方法。
虽然Android系统本身自带有有将汉字转化为英文拼音的类和方法， 但是还没有对外开放接口， 需要把代码copy到项目中。其类为HanziToPinyin.Java，主要是在联系人应用中用到，但是在android中4.4版本（包含）和4.4之下的版本方法不一样。
直接上代码
android4.4之后的方法：
public class HanziToPinyinVL19{ private static final String TAG = "HanziToPinyinVL19"; private static HanziToPinyinVL19 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 HanziToPinyinVL19() { try { mPinyinTransliterator = new Transliterator("Han-Latin/Names; Latin-Ascii; Any-Upper"); mAsciiTransliterator = new Transliterator("Latin-Ascii"); } catch (Exception e) { e.printStackTrace(); Log.w(TAG, "Han-Latin/Names transliterator data is missing," + " HanziToPinyinVL19 is disabled"); } } public boolean hasChineseTransliterator() { return mPinyinTransliterator != null; } public static HanziToPinyinVL19 getInstance() { synchronized (HanziToPinyinVL19.class) { if (sInstance == null) { sInstance = new HanziToPinyinVL19(); } return sInstance; } } private void tokenize(char character, Token token) { token.source = Character.toString(character); // ASCII if (character < 128) { token.type = Token.LATIN; token.target = token.source; return; } // Extended Latin. Transcode these to ASCII equivalents if (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; } } @Nullable 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); } public String transliterateByToken(String input) { ArrayList<Token> tokens = getTokens(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(); }}由于4.4之后需要用到so文件，所以需要新建一个与系统一样的包名libcore.icu,里面新建Transliterator.java类:
package libcore.icu;/** * Exposes icu4c's Transliterator. */public final class Transliterator { private long peer; /** * Creates a new Transliterator for the given id. */ public Transliterator(String id) { peer = create(id); } @Override protected synchronized void finalize() throws Throwable { try { destroy(peer); peer = 0; } finally { super.finalize(); } } /** * Returns the ids of all known transliterators. */ public static native String[] getAvailableIDs(); /** * Transliterates the specified string. */ public String transliterate(String s) { return transliterate(peer, s); } private static native long create(String id); private static native void destroy(long peer); private static native String transliterate(long peer, String s);}android4.4之下的方法：
源码路径：frameworks/base /core/java/com/android/internal/util/HanziToPinyin.java
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 来自android4.2源码 */public class HanziToPinyinVL { 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 HanziToPinyinVL 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 HanziToPinyinVL(boolean hasChinaCollator) { mHasChinaCollator = hasChinaCollator; } public static HanziToPinyinVL getInstance() { synchronized (HanziToPinyinVL.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 HanziToPinyinVL(true); return sInstance; } } Log.w(TAG, "There is no Chinese collator, HanziToPinyin is disabled"); sInstance = new HanziToPinyinVL(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); } public String transliterate(String input) { ArrayList<Token> tokens = 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(); }}两个方法合起使用：
public class HanziToPinyin{ public static String getPinYin(String input) { String result; if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { result = HanziToPinyinVL19.getInstance().transliterate(input); } else { result = HanziToPinyinVL.getInstance().transliterate(input); } if (TextUtils.isEmpty(result)) { return input; } else { return result; } } public static String getLowerAndNoSpacePinYin(String input) { String result; if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { result = HanziToPinyinVL19.getInstance().transliterate(input); } else { result = HanziToPinyinVL.getInstance().transliterate(input); } if (TextUtils.isEmpty(result)) { result = input; } return result.replaceAll("\\s+", "").toLowerCase(); } public static String getPinyinByToken(String input) { String result; if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) { result = HanziToPinyinVL19.getInstance().transliterateByToken(input); } else { result = HanziToPinyinVL.getInstance().transliterate(input); } if (TextUtils.isEmpty(result)) { result = input; } return result; }} 0 0
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