android获取中文对应的汉语拼音

public static String getPingYin(String inputString) {
HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();
format.setCaseType(HanyuPinyinCaseType.LOWERCASE);
format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
format.setVCharType(HanyuPinyinVCharType.WITH_V);

Pattern p = Pattern.compile("^[\u4E00-\u9FA5A-Za-z_]+$");
Matcher matcher = p.matcher(inputString.substring(0, 1));
if (matcher.find()) {
char[] input = inputString.trim().toCharArray();
String output = "";
try {
for (int i = 0; i < input.length; i++) {
if (Character.toString(input[i]).matches(
"[\\u4E00-\\u9FA5]+")) {
String[] temp = PinyinHelper.toHanyuPinyinStringArray(
input[i], format);
output += temp[0];
} else
output += Character.toString(input[i]);
}
} catch (BadHanyuPinyinOutputFormatCombination e) {
e.printStackTrace();
}
return output;
} else {
return "";
}
}