android byte[] 和short[]转换的方法代码

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1，工具代码

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public class BytesTransUtil {

 

 private String TAG = "BytesTransUtil";
 private static BytesTransUtil instance = null;

 private BytesTransUtil() {
  // Log.i(TAG, "instance BytesTransUtil");
 }

 public static BytesTransUtil getInstance() {
  if (instance == null) {
   instance = new BytesTransUtil();
  }
  return instance;
 }

 public boolean testCPU() {
  if (ByteOrder.nativeOrder() == ByteOrder.BIG_ENDIAN) {
   // System.out.println("is big ending");
   return true;
  } else {
   // System.out.println("is little ending");
   return false;
  }
 }

 public byte[] getBytes(short s, boolean bBigEnding) {
  byte[] buf = new byte[2];
  if (bBigEnding)
   for (int i = buf.length - 1; i >= 0; i--) {
    buf[i] = (byte) (s & 0x00ff);
    s >>= 8;
   }
  else
   for (int i = 0; i < buf.length; i++) {
    buf[i] = (byte) (s & 0x00ff);
    s >>= 8;
   }
  return buf;
 }

 public byte[] getBytes(int s, boolean bBigEnding) {
  byte[] buf = new byte[4];
  if (bBigEnding) {
   for (int i = buf.length - 1; i >= 0; i--) {
    buf[i] = (byte) (s & 0x000000ff);
    s >>= 8;
   }
  } else {
   System.out.println("1");
   for (int i = 0; i < buf.length; i++) {
    buf[i] = (byte) (s & 0x000000ff);
    s >>= 8;
   }
  }
  return buf;
 }

 public byte[] getBytes(long s, boolean bBigEnding) {