Android-实现汉字转拼音支持一词多音

<span style="font-family:KaiTi_GB2312;font-size:18px;"><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity">

<TextView
android:id="@+id/tv"
android:textSize="30sp"
android:layout_centerVertical="true"
android:layout_centerHorizontal="true"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<EditText
android:textSize="30sp"
android:layout_below="@+id/tv"
android:id="@+id/et"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
<Button
android:layout_centerVertical="true"
android:layout_centerHorizontal="true"
android:layout_below="@+id/et"
android:onClick="click"
android:text="开始转换"
android:layout_width="match_parent"
android:layout_height="wrap_content" />

</RelativeLayout>
</span>

<span style="font-family:KaiTi_GB2312;font-size:18px;">package com.example.yu_longji.android29;

/**
* Created by yu_longji on 2015/9/1.
*/

import net.sourceforge.pinyin4j.PinyinHelper;
import net.sourceforge.pinyin4j.format.HanyuPinyinCaseType;
import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat;
import net.sourceforge.pinyin4j.format.HanyuPinyinToneType;
import net.sourceforge.pinyin4j.format.HanyuPinyinVCharType;
import net.sourceforge.pinyin4j.format.exception.BadHanyuPinyinOutputFormatCombination;

import java.util.HashSet;
import java.util.Set;

/**
* Created by yu_longji on 2015/8/31.
*/
public class Pinyin {

public static 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();
}

/**
* 获取拼音集合
*
*/
public static Set<String> getPinyin(String src) {
if (src != null && !src.trim().equalsIgnoreCase("")) {
char[] srcChar;
srcChar = src.toCharArray();
//汉语拼音格式输出类
HanyuPinyinOutputFormat hanYuPinOutputFormat = new HanyuPinyinOutputFormat();

//输出设置，大小写，音标方式等
hanYuPinOutputFormat.setCaseType(HanyuPinyinCaseType.UPPERCASE);
hanYuPinOutputFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
hanYuPinOutputFormat.setVCharType(HanyuPinyinVCharType.WITH_U_UNICODE);
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]+")) {
try {
temp[i] = PinyinHelper.toHanyuPinyinStringArray(srcChar[i], hanYuPinOutputFormat);
} catch (BadHanyuPinyinOutputFormatCombination e) {
e.printStackTrace();
}
} else if (((int) c >= 65 && (int) c <= 90) || ((int) c >= 97 && (int) c <= 122)) {
temp[i] = new String[]{String.valueOf(srcChar[i])};
} else {
temp[i] = new String[]{""};
}
}
String[] pingyinArray = Exchange(temp);

Set<String> pinyinSet = new HashSet<String>();
for (int i = 0; i < pingyinArray.length; i++) {
pinyinSet.add(pingyinArray[i]);
}
return pinyinSet;
}
return null;
}

/**
* 递归
*
*/
public static String[] Exchange(String[][] strJaggedArray) {
String[][] temp = DoExchange(strJaggedArray);
return temp[0];
}

/**
* 递归
*
*/
private static String[][] DoExchange(String[][] strJaggedArray) {
int len = strJaggedArray.length;
if (len >= 2) {
int len1 = strJaggedArray[0].length;
int len2 = strJaggedArray[1].length;
int newlen = len1 * len2;
String[] temp = new String[newlen];
int Index = 0;
for (int i = 0; i < len1; i++) {
for (int j = 0; j < len2; j++) {
temp[Index] = strJaggedArray[0][i] + strJaggedArray[1][j];
Index++;
}
}
String[][] newArray = new String[len - 1][];
for (int i = 2; i < len; i++) {
newArray[i - 1] = strJaggedArray[i];
}
newArray[0] = temp;
return DoExchange(newArray);
} else {
return strJaggedArray;
}
}

}</span>

<span style="font-family:KaiTi_GB2312;font-size:18px;">package com.example.yu_longji.android29;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;

public class MainActivity extends Activity {

TextView tv;
EditText et;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tv = (TextView)findViewById(R.id.tv);
et = (EditText)findViewById(R.id.et);
}

public void click(View view){
String str =  et.getText().toString().trim();

tv.setText(Pinyin.makeStringByStringSet(Pinyin.getPinyin(str)));

}

}
</span>