android 汉字，拼音和英文返回大写首字母

从源码里拷贝出来转换类，然后封装了一下.

首先是源码里面的转换代码，其中修改了一点——源码中获取实例方法中,会先判断手机支持的locale中是否包含locale.china,如果支持才会生成实例。在实际开发中华为的EMUI系统，locale中没有包含locale.china，但是实测是可以转换的，所以我直接修改代码为不判断直接返回实例.如果客户有国外手机的需要注意这一点.

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
 * 来自android4.2源码
 */
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.
     * <p/>
     * 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.
     * <p/>
     * 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();
            for (int i = 0; i < locale.length; i++) {
                if (true || locale[i].equals(Locale.CHINA)) {//华为手机支持中文，但是并没有在Local里面标明，国内手机应该都支持的，所以直接true就可以了.
                    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);
    }
}

　　然后是封装类

public class LanguageConvent {

    /**
     * 返回中文拼音及英文大写，
     *
     * @return
     */
    public static String getPinYin(String input) {
        ArrayList<HanziToPinyin.Token> tokens = HanziToPinyin.getInstance().get(input);
        StringBuilder sb = new StringBuilder();
        if (tokens != null && tokens.size() > 0) {
            for (HanziToPinyin.Token token : tokens) {
                if (HanziToPinyin.Token.PINYIN == token.type) {
                    sb.append(token.target);
                } else {
                    sb.append(token.source);
                }
            }
        }else{
            //如果获取不到实例，则返回一个特殊字符
            sb.append("%");
        }
        return sb.toString().toUpperCase();
    }

}

　　然后是使用方法

/**
     * 获取名字对应的首字母字符串
     * 规则：
     * 当名称为中文开头时，返回名称第一个汉字的拼音的首字母的大写
     * 当名称为英文开头时，返回第一次英文字母的大写
     * 当名称为数字开头或者是其他特殊符号时，返回字符串“其他”
     */
    public static String getFirstChar(String name) {
        if (name != null && name.length() > 0) {
            String firstChar = LanguageConvent.getPinYin(name).charAt(0) + "";
            if (Pattern.compile("[a-zA-Z]").matcher(firstChar).matches()) {//是字符
                return firstChar + "";
            } else {
                return "其他";
            }
        } else {
            return " ";
        }
    }