Android 中文汉字转拼音

1.引用:
implementation 'com.belerweb:pinyin4j:2.5.1'

2.代码如下：

   /**
     * 汉字转为拼音
     *
     * @param chinese
     * @return
     */
    public static String toPinyin(String chinese) {
        String pinyinStr = "";
        char[] newChar = chinese.toCharArray();
        HanyuPinyinOutputFormat defaultFormat = new HanyuPinyinOutputFormat();
        defaultFormat.setCaseType(HanyuPinyinCaseType.LOWERCASE);
        defaultFormat.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
        for (int i = 0; i < newChar.length; i++) {
            if (newChar[i] > 128) {
                try {
                    pinyinStr += PinyinHelper.toHanyuPinyinStringArray(newChar[i], defaultFormat)[0];
                } catch (BadHanyuPinyinOutputFormatCombination e) {
                    e.printStackTrace();
                }
            } else {
                pinyinStr += newChar[i];
            }
        }
        return pinyinStr;
    }