Android 代码设置EditText过滤汉字

/**     * 设置EditText是否过滤汉字     */    public static void SetEditTextFilter(EditText editText, final boolean filterChinese) {        InputFilter filter = new InputFilter() {            public CharSequence filter(CharSequence source, int start, int end,                                       Spanned dest, int dStart, int dEnd) {                for (int i = start; i < end; i++) {                    if (filterChinese == (isChinese(source.charAt(i)))) {                        return "";                    }                }                return null;            }        };        editText.setFilters(new InputFilter[]{filter});    }    /**     * 判断输入字符是否是汉字     *     * @param c 输入字符     * @return 是否是汉字     */    public static boolean isChinese(char c) {        Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);        return ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS                || ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS                || ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A                || ub == Character.UnicodeBlock.GENERAL_PUNCTUATION                || ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION                || ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS;    }
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