4.08小技巧4

一、今日学习

 

8、规定只能输入中文

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/**    * 通过使用Android源码中的InputFilter接口    */   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 (!isChinese(source.charAt(i))) {                   return "";               }           }           return null;       }   };     /**    * 判定输入汉字    *    * @param c    * @return    */   public static boolean isChinese(char c) {       Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);       if (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) {           return true;       }       return false;   }

到这里就结束啦。

二、问题

 无

三、明日计划

继续Android学习