private static String byteToHexStr(byte mByte){
		char[] Digit = {
				'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'
		};
		char[] tempArr = new char[2];
		tempArr[0] = Digit[(mByte >>> 4) & 0x0f];
		tempArr[1] = Digit[mByte & 0x0f];
		
		String s = new String(tempArr);
		return s;
	}