android utils

gistfile1.txt

 // 判断是否是中文
 private 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;
 }
 
 // 半角转化为全角的方法
	 private String ToSBC(String input) {
	  char[] c = input.toCharArray();
	  for (int i = 0; i < c.length; i++) {
	   if (c[i] == 32) {
	    c[i] = (char) 12288;
	    continue;
	   }
	   if (c[i] < 127 && c[i]>32)
	    c[i] = (char) (c[i] + 65248);
	  }
	  return new String(c);
	 }
	 
	 // 全角转化为半角的方法
	private String ToDBC(String input) {  
        char[] c = input.toCharArray();  
        for (int i = 0; i < c.length; i++) {  
            if (c[i] == 12288) {  
                c[i] = (char) 32;  
                continue;  
            }  
            if (c[i] > 65280 && c[i] < 65375)  
                c[i] = (char) (c[i] - 65248);  
        }  
        return new String(c);  
    }