Reads an unsigned 16 bit integer from an array coming from a device, and returns it as an 'int' - Android java.lang

Android examples for java.lang:Array Element

  1. HOME
  2. Android
  3. java.lang
  4. Array Element

Description

Reads an unsigned 16 bit integer from an array coming from a device, and returns it as an 'int'

Demo Code

/*/*  w  w w  .  j a v  a  2s. c om*/
 * Copyright (C) 2007 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
//package com.java2s;

public class Main {
    /**
     * Reads an unsigned 16 bit integer from an array coming from a device,
     * and returns it as an 'int'
     * @param value the array containing the 16 bit int (2 byte).
     * @param offset the offset in the array at which the int starts
     *      Array length must be at least offset + 2
     * @return the integer read from the array.
     */
    public static int swapU16bitFromArray(byte[] value, int offset) {
        int v = 0;
        v |= ((int) value[offset]) & 0x000000FF;
        v |= (((int) value[offset + 1]) & 0x000000FF) << 8;

        return v;
    }
}

Related Tutorials