Android Byte Array to Little Endian Convert getByteLittleEndian_unit16(byte[] theBytes, int idx)

Description

pull out unsigned 16 bits integer out of the array.

Parameter

Parameter	Description
theBytes	- the array
idx	- the starting index

Return

the num (0-65535)

Declaration

public static int getByteLittleEndian_unit16(byte[] theBytes, int idx) 

Method Source Code

//package com.java2s;

public class Main {
    /**//from   www.  java 2  s .  c om
     * pull out unsigned 16 bits integer out of the array.
     * @param theBytes - the array
     * @param idx - the starting index
     * @return the num (0-65535)
     */
    public static int getByteLittleEndian_unit16(byte[] theBytes, int idx) {
        int sum = 0;
        for (int i = 0; i < 2; i++) {
            sum = (sum << 8) + (0xff & theBytes[i + idx]);
        }
        return flip16(sum);
    }

    /**
     * for switching big/small endian
     * @param num
     * @return filpped representation. 
     */
    public static int flip16(int num) {
        int tmp = num;

        tmp = ((tmp & 0x00FF) << 8) + ((tmp & 0xFF00) >> 8);
        return tmp;
    }
}

Related

1. getWord(byte[] buffer, int pos)