解析汉字

public class PinyinHelper {
    private static PinyinHelper instance;
    private Properties properties = null;

    public static String[] getUnformattedHanyuPinyinStringArray(char ch) {
        return getInstance().getHanyuPinyinStringArray(ch);
    }

    private PinyinHelper() {
        initResource();
    }

    public static PinyinHelper getInstance() {
        if (instance == null) {
            instance = new PinyinHelper();
        }
        return instance;
    }

    private void initResource() {
        try {
            final String resourceName = "/assets/unicode_to_hanyu_pinyin.txt";
            // final String resourceName = "/assets/unicode_py.ini";

            properties = new Properties();
            properties.load(getResourceInputStream(resourceName));

        } catch (FileNotFoundException ex) {
            ex.printStackTrace();
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }

    private BufferedInputStream getResourceInputStream(String resourceName) {
        return new BufferedInputStream(
                PinyinHelper.class.getResourceAsStream(resourceName));
    }

    private String[] getHanyuPinyinStringArray(char ch) {
        String pinyinRecord = getHanyuPinyinRecordFromChar(ch);

        if (null != pinyinRecord) {
            int indexOfLeftBracket = pinyinRecord.indexOf(Field.LEFT_BRACKET);
            int indexOfRightBracket = pinyinRecord
                    .lastIndexOf(Field.RIGHT_BRACKET);

            String stripedString = pinyinRecord.substring(indexOfLeftBracket
                    + Field.LEFT_BRACKET.length(), indexOfRightBracket);

            return stripedString.split(Field.COMMA);

        } else
            return null;

    }

    private String getHanyuPinyinRecordFromChar(char ch) {
        int codePointOfChar = ch;
        String codepointHexStr = Integer.toHexString(codePointOfChar)
                .toUpperCase();
        String foundRecord = properties.getProperty(codepointHexStr);
        return foundRecord;
    }

    class Field {
        static final String LEFT_BRACKET = "(";
        static final String RIGHT_BRACKET = ")";
        static final String COMMA = ",";
    }

    public static String[] toHanyuPinyinStringArray(char ch) {
        return getUnformattedHanyuPinyinStringArray(ch);
    }
}

public class BookEntity {
    private String book;
    private String author;
    private String press;

    public BookEntity() {
    }

    public String getAuthor() {
        return author;
    }

    public void setAuthor(String author) {
        this.author = author;
    }

    public String getBook() {
        return book;
    }

    public void setBook(String book) {
        this.book = book;
    }

    public String getPress() {
        return press;
    }

    public void setPress(String press) {
        this.press = press;
    }

    public BookEntity(String author, String book, String press) {
        this.author = author;
        this.book = book;
        this.press = press;
    }

    @Override
    public String toString() {
        return "BookEntity{" +
                "author=‘" + author + ‘\‘‘ +
                ", book=‘" + book + ‘\‘‘ +
                ", press=‘" + press + ‘\‘‘ +
                ‘}‘;
    }
}

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initAuto1();
        initAuto2();
    }

    private void initAuto2() {
        List<BookEntity> list = new ArrayList<>();
        list.add(new BookEntity("施耐庵", "水浒传", "人民文学出版社"));
        list.add(new BookEntity("罗贯中", "三国演义", "人民文学出版社"));
        list.add(new BookEntity("吴承恩", "西游记", "三联出版社"));
        list.add(new BookEntity("曹雪芹", "红楼梦", "花城出版社"));
        MyAdapter adapter = new MyAdapter(this, list);
        AutoCompleteTextView auto2 = (AutoCompleteTextView) findViewById(R.id.auto2);
        auto2.setAdapter(adapter);
    }

    private void initAuto1() {
        AutoCompleteTextView auto1 = (AutoCompleteTextView) findViewById(R.id.auto1);
        String[] bookNames = getResources().getStringArray(R.array.arr);
        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, bookNames);
        auto1.setAdapter(adapter);
    }
}

public class MyAdapter extends BaseAdapter implements Filterable {
    //所有的书
    private List<BookEntity> mList;
    //过滤后的书
    private List<BookEntity> mFilterBooks;
    private Context context;
    private LayoutInflater inflater;
    //书名拼音全拼的集合，
    //假设有两本书，【水浒传，三国演义】，则List集合中有两项数据
    //1.[shuihuzhuan,shuihuchuan,shuixuzhuan,shuixuchuan]
    //2.[sanguoyanyi]
    private List<Set<String>> bookNamePinYin;
    //书名拼音简拼的集合
    //假设有两本书，【水浒传，三国演义】，则List集合中有两项数据
    //1.[shz,shc,sxz,sxc]
    //2.[sgyy]
    private List<Set<String>> bookNamePY;
    //该书是否被加入到过滤结果的集合中
    private boolean isNotAdd = true;

    public MyAdapter(Context context, List<BookEntity> list) {
        this.context = context;
        mList = list;
        inflater = LayoutInflater.from(context);
        initPinYin();
    }

    private void initPinYin() {
        bookNamePinYin = new ArrayList<>();
        bookNamePY = new ArrayList<>();
        PinYin4j pinYin4j = new PinYin4j();
        for (BookEntity bookEntity : mList) {
            bookNamePinYin.add(pinYin4j.getAllPinyin(bookEntity.getBook()));
            bookNamePY.add(pinYin4j.getPinyin(bookEntity.getBook()));
        }
//        for (Set<String> strings : bookNamePinYin) {
//            Log.d("google_lenve_fb", "initPinYin: " + strings);
//        }
//        for (Set<String> strings : bookNamePY) {
//            Log.d("google_lenve_fb", "initPinYin: " + strings);
//        }
    }

    @Override
    public int getCount() {
        return mList.size();
    }

    @Override
    public Object getItem(int position) {
        return mList.get(position);
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder holder;
        if (convertView == null) {
            convertView = inflater.inflate(R.layout.lv_item, null);
            holder = new ViewHolder();
            holder.bookName = (TextView) convertView.findViewById(R.id.bookName);
            holder.author = (TextView) convertView.findViewById(R.id.author);
            convertView.setTag(holder);
        } else {
            holder = (ViewHolder) convertView.getTag();
        }
        BookEntity bookEntity = mList.get(position);
        holder.bookName.setText(bookEntity.getBook());
        holder.author.setText(bookEntity.getAuthor());
        return convertView;
    }

    @Override
    public Filter getFilter() {
        return new MyFilter();
    }

    class MyFilter extends Filter {

        //当搜索条件发生改变时调用，即AutoCompleteTextView中的文本发生改变时调用
        //参数constraint表示过滤条件，即AutoCompleteTextView中的文本
        @Override
        protected FilterResults performFiltering(CharSequence constraint) {
            FilterResults result = new FilterResults();
            if (mFilterBooks == null) {
                //将所有的书拷贝到mFilterBooks集合中
                mFilterBooks = new ArrayList<>(mList);
            }
//            for (BookEntity filterBook : mFilterBooks) {
//                Log.d("google_lenve_fb", "performFiltering: " + filterBook.toString());
//            }
            //如果没有过滤条件的话，则过滤结果为mFilterBooks
            if (constraint == null || constraint.toString().length() == 0) {
                result.values = mFilterBooks;
                result.count = mFilterBooks.size();
                //如果有过滤条件的话
            } else {
                //将搜索条件全部转为小写字母
                String lowerCase = constraint.toString().toLowerCase();
                //保存搜索结果
                List<BookEntity> retList = new ArrayList<>();
                BookEntity book;
                //将所有的书过滤一遍，找出符合条件的书
                for (int i = 0; i < mFilterBooks.size(); i++) {
                    isNotAdd = true;
                    book = mFilterBooks.get(i);
                    //如果搜索条件是中文的话
                    if (book.getBook().contains(lowerCase)) {
                        if (isNotAdd) {
                            //将符合条件的书添加到搜索结果集合中
                            retList.add(book);
                            isNotAdd = false;
                        }
                        //如果搜索条件是拼音的话
                    } else {
                        /**************************过滤书名拼音全拼*********************/
                        if (isNotAdd) {
                            //获取该书的拼音集合
                            Set<String> bnPinYin = bookNamePinYin.get(i);
                            //bnPinYin = [shuixuchuan, shuihuzhuan, shuihuchuan, shuixuzhuan]
                            Iterator<String> iterator = bnPinYin.iterator();
                            while (iterator.hasNext()) {
                                //获取到set集合中的每一项
                                String next = iterator.next();
                                if (next.contains(lowerCase)) {
                                    retList.add(book);
                                    isNotAdd = false;
                                    break;
                                }
                            }
                        }
                        /****************************过滤书名拼音的简拼**********************************/
                        if (isNotAdd) {
                            Set<String> bnPY = bookNamePY.get(i);
                            //bnPY = [sxc, shc, sxz, shz]
                            Iterator<String> iterator1 = bnPY.iterator();
                            while (iterator1.hasNext()) {
                                if (iterator1.next().contains(lowerCase)) {
                                    retList.add(book);
                                    isNotAdd = false;
                                    break;
                                }
                            }
                        }
                        /****************************过滤作者姓名拼音的全拼**********************************/
                        /****************************过滤作者姓名拼音的简拼**********************************/
                        /****************************过滤出版社名称拼音的简拼**********************************/
                        /****************************过滤出版社名称拼音的全拼**********************************/
                    }
                }
                result.values = retList;
                result.count = retList.size();
            }
            return result;
        }

        //发布过滤结果
        //参数result表示performFiltering方法返回的结果
        @Override
        protected void publishResults(CharSequence constraint, FilterResults results) {
            mList = (List<BookEntity>) results.values;
            if (mList.size() > 0) {
                notifyDataSetChanged();
            }
        }
    }

    class ViewHolder {
        TextView author, bookName;
    }
}

public class PinYin4j {  
      
      
    public PinYin4j(){  
    }  
    /** 
     * 字符串集合转换字符串(逗号分隔) 
     *  
     * @author wangsong 
     * @param stringSet 
     * @return 
     */  
    public String makeStringByStringSet(Set<String> stringSet) {  
        StringBuilder str = new StringBuilder();  
        int i = 0;  
        for (String s : stringSet) {  
            if (i == stringSet.size() - 1) {  
                str.append(s);  
            } else {  
                str.append(s + ",");  
            }  
            i++;  
        }  
        return str.toString().toLowerCase();  
    }  
  
      
    /** 
     * 获取汉字拼音全拼
     *  
     * @author wangsong 
     * @param src 
     * @return Set<String> 
     */  
    public Set<String> getAllPinyin(String src) {  
        char[] srcChar;  
        srcChar = src.toCharArray();  
        
        //1:多少个汉字  
        //2:每个汉字多少种读音  
        String[][] temp = new String[src.length()][];  
        for (int i = 0; i < srcChar.length; i++) {  
            char c = srcChar[i];  
            // 是中文或者a-z或者A-Z转换拼音(我的需求，是保留中文或者a-z或者A-Z)  
            if (String.valueOf(c).matches("[\\u4E00-\\u9FA5]+")) {  
                String[] t = PinyinHelper.getUnformattedHanyuPinyinStringArray(c);  
                temp[i] = new String[t.length];  
                for(int j=0;j<t.length;j++){  
                    temp[i][j]=t[j].replaceAll("\\d", "");//获取全拼  
                }  
            } else if (((int) c >= 65 && (int) c <= 90)  
                    || ((int) c >= 97 && (int) c <= 122)||c>=48&&c<=57||c==42) {//a-zA-Z0-9*  
                temp[i] = new String[] { String.valueOf(srcChar[i]) };  
            } else {  
                temp[i] = new String[] {"null!"};  
            }  
            
        }  
        String[] pingyinArray = paiLie(temp);  
        return array2Set(pingyinArray);//为了去掉重复项  
    }  
    /** 
     * 获取汉字拼音首字母集合
     *  
     * @author wangsong 
     * @param src 
     * @return Set<String> 
     */  
    public Set<String> getPinyin(String src) {  
            char[] srcChar;  
            srcChar = src.toCharArray();  
  
            //1:多少个汉字  
            //2:每个汉字多少种读音  
            String[][] temp = new String[src.length()][];  
            for (int i = 0; i < srcChar.length; i++) {  
                char c = srcChar[i];  
                // 是中文或者a-z或者A-Z转换拼音(我的需求，是保留中文或者a-z或者A-Z)  
                if (String.valueOf(c).matches("[\\u4E00-\\u9FA5]+")) {  
                        String[] t = PinyinHelper.getUnformattedHanyuPinyinStringArray(c);  
                        temp[i] = new String[t.length];  
                        for(int j=0;j<t.length;j++){  
                            temp[i][j]=t[j].substring(0,1);//获取首字母  
                        }  
                } else if (((int) c >= 65 && (int) c <= 90)  
                        || ((int) c >= 97 && (int) c <= 122)||c>=48&&c<=57||c==42) {//a-zA-Z0-9*  
                    temp[i] = new String[] { String.valueOf(srcChar[i]) };  
                } else {  
                    temp[i] = new String[] {"null!"};  
                }  
                  
            }  
            String[] pingyinArray = paiLie(temp);  
            return array2Set(pingyinArray);//为了去掉重复项  
    }  
      
    /* 
     * 求2维数组所有排列组合情况 
     * 比如:{{1,2},{3},{4},{5,6}}共有2中排列,为:1345,1346,2345,2346 
     */  
    private String[] paiLie(String[][] str){  
        int max=1;  
        for(int i=0;i<str.length;i++){  
            max*=str[i].length;  
        }  
        String[] result=new String[max];  
        for(int i = 0; i < max; i++){  
                String s = "";  
                int temp = 1;      //注意这个temp的用法。  
                for(int j = 0; j < str.length; j++){  
                    temp *= str[j].length;  
                    s += str[j][i / (max / temp) % str[j].length];  
                }  
                result[i]=s;  
        }  
          
        return result;  
    }  
      
    public static <T extends Object> Set<T> array2Set(T[] tArray) {     
        Set<T> tSet = new HashSet<T>(Arrays.asList(tArray));     
        // TODO 没有一步到位的方法，根据具体的作用，选择合适的Set的子类来转换。     
        return tSet;     
    }   
}