java，

java，

 

 

private static final 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;
	 }

 (firstByte>>3) & (0x03)

0x31=0011 0001

取中间有效期10

 

/*      0 to 143                            --->       (TP-VP + 1) x 5 minutes
     *
     *      144 to 167                         --->        12 hours + ((TP-VP -143) x 30 minutes)
     *
     *      168 to 196                         --->        (TP-VP - 166) x 1 day
     *
     *      197 to 255                         --->        (TP-VP - 192) x 1 week
     *
     * @return relValidityPeriod Encoded Relative Validity Period Value.
     * @hide
     */
    public static int getRelativeValidityPeriod(int validityPeriod) {
        int relValidityPeriod = INVALID_VALIDITY_PERIOD;

        if (validityPeriod < VALIDITY_PERIOD_MIN  || validityPeriod > VALIDITY_PERIOD_MAX) {
            Rlog.e(LOG_TAG,"Invalid Validity Period" + validityPeriod);
            return relValidityPeriod;
        }

        if (validityPeriod <= 720) {
            relValidityPeriod = (validityPeriod  / 5) - 1;
        } else if (validityPeriod <= 1440) {
            relValidityPeriod = ((validityPeriod - 720) / 30) + 143;
        } else if (validityPeriod <= 43200) {
            relValidityPeriod = (validityPeriod  / 1440) + 166;
        } else if (validityPeriod <= 635040) {
            relValidityPeriod = (validityPeriod  / 10080) + 192;
        }
        return relValidityPeriod;
    }