通讯录使用侧栏字母索引

/* * 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.sjl.sectionindex.util; 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. * <p> * Currently this file is aligned to zh.txt in ICU 4.6 */ public class PinYinUtil { /** * 返回小写拼音 * * @param input 字符串 * @return 返回之后的数值 */ public static String getPinYin(String input) { ArrayList<Token> tokens = PinYinUtil.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); } } } if (TextUtils.isEmpty(sb.toString())) { sb.append(input); } return sb.toString().toLowerCase(); } private static final String TAG = "PinYinUtil"; // 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,