android 汉字转拼音

http://blog.csdn.net/jnhoodlum/article/details/7687143

 Android提供了汉字转拼音的类，这个类是在联系人app下的。具体目录是packages/providers/ContactsProvider/src/com/android/providers/contacts的HanziToPinyin.java文件。如果想要这个工具类，可以直接拷贝来用。

package nd.ray.hanzi2pinyin;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

import java.text.Collator;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Locale;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import nd.ray.hanzi2pinyin.HanziToPinyin.Token;

public class FMain extends Activity implements View.OnClickListener{

    private TextView edHanzi = null;
    private TextView edPinYin = null;
    private TextView edPY = null;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_fmain);

        Button btn = (Button)findViewById(R.id.btnConvert);
        btn.setOnClickListener(this);

        edHanzi = (TextView)findViewById(R.id.edHanzi);
        edPinYin = (TextView)findViewById(R.id.edPinyin);
        edPY = (TextView)findViewById(R.id.edFirstPY);


        PatternStrStr();
        PatternSplit();
        PatternReplace();
    }

    private String getFullPinYin(String source) {
        if (!Arrays.asList(Collator.getAvailableLocales()).contains(Locale.CHINESE)) {
            return source;
        }

        ArrayList<HanziToPinyin.Token> tokens = HanziToPinyin.getInstance().get(source);

        if (tokens == null || tokens.size() == 0) {
            return source;
        }

        StringBuffer result = new StringBuffer();
        for (HanziToPinyin.Token token : tokens) {
            if (token.type == HanziToPinyin.Token.PINYIN) {
                result.append(token.target);
            } else {
                result.append(token.source);
            }
        }

        return result.toString();
    }

    public String getFirstPinYin(String source) {

        if (!Arrays.asList(Collator.getAvailableLocales()).contains(Locale.CHINESE)) {
            return source;
        }

        ArrayList<HanziToPinyin.Token> tokens = HanziToPinyin.getInstance().get(source);
        if (tokens == null || tokens.size() == 0) {
            return source;
        }
        StringBuffer result = new StringBuffer();
        for (HanziToPinyin.Token token : tokens) {
            if (token.type == HanziToPinyin.Token.PINYIN) {
                result.append(token.target.charAt(0));
            } else {
                result.append("#");
            }
        }

        return result.toString();
    }

        @Override
    public void onClick(View v) {
        if (v.getId() == R.id.btnConvert) {
            String szHanzi = edHanzi.getText().toString();
            String szPinYin = getFullPinYin(szHanzi);
            String szPY = getFirstPinYin(szHanzi);

            edPinYin.setText(szPinYin);
            edPY.setText(szPY);
        }
    }
    /*
    * 正则表达式
    * */

    //在字符串包含
    private boolean PatternStrStr()
    {
        Pattern pattern = Pattern.compile("正则表达式");
        Matcher matcher = pattern.matcher("要检测正则表达式是否出现的源串");
        return matcher.matches();
    }

    //分割字符串
    private String[] PatternSplit()
    {
        Pattern pattern = Pattern.compile("[, |]+"); //正则表达式
        String[] strs = pattern.split("Java Hello World Java,Hello,,World|SUN");
        return strs;
    }

    //文字替换
    private void PatternReplace()
    {
        Pattern pattern = Pattern.compile("要替换的内容");
        Matcher matcher = pattern.matcher("包含要替换的内容的源串, 可以包含要替换的内容多次");
        //String szResult = matcher.replaceFirst("要换成的新内容");
        String szResult = matcher.replaceAll("要换成的新内容");

        System.out.println(szResult);
    }
}