android.os.Parcel#readByteArray ( )源码实例Demo

private MasterSecret(Parcel in) {
    byte[] encryptionKeyBytes = new byte[in.readInt()];
    in.readByteArray(encryptionKeyBytes);

    byte[] macKeyBytes = new byte[in.readInt()];
    in.readByteArray(macKeyBytes);

    this.accountContext = (AccountContext) in.readSerializable();
    this.encryptionKey = new SecretKeySpec(encryptionKeyBytes, "AES");
    this.macKey = new SecretKeySpec(macKeyBytes, "HmacSHA1");
    if (null != accountContext) {
        this.tag = Integer.toString(accountContext.hashCode());
    } else {
        this.tag = "unknown";
    }

    // SecretKeySpec does an internal copy in its constructor.
    Arrays.fill(encryptionKeyBytes, (byte) 0x00);
    Arrays.fill(macKeyBytes, (byte) 0x00);
}
 

private MagicLinkParcel(Parcel in)
{
    magicLink.expiry = in.readLong();
    magicLink.price = in.readDouble();
    magicLink.ticketStart = in.readInt();
    magicLink.ticketCount = in.readInt();
    magicLink.contractAddress = in.readString();
    int ticketLength = in.readInt();
    magicLink.indices = new int[ticketLength];
    in.readIntArray(magicLink.indices);

    int sigLength = in.readInt();   // must not be higher than 65 bytes
    in.readByteArray(magicLink.signature);    // in my guess, it's always is 65 bytes so it should fit.

    int messageLength = in.readInt();
    magicLink.message = new byte[messageLength];
    in.readByteArray(magicLink.message);
    magicLink.priceWei = new BigInteger(in.readString());
}
 

public DesfireFileSettings createFromParcel(Parcel source) {
    byte fileType       = source.readByte();
    byte commSetting    = source.readByte();
    byte[] accessRights = new byte[source.readInt()];
    source.readByteArray(accessRights);

    if (fileType == STANDARD_DATA_FILE || fileType == BACKUP_DATA_FILE) {
        int fileSize = source.readInt();
        return new StandardDesfireFileSettings(fileType, commSetting, accessRights, fileSize);
    } else if (fileType == LINEAR_RECORD_FILE || fileType == CYCLIC_RECORD_FILE) {
        int recordSize = source.readInt();
        int maxRecords = source.readInt();
        int curRecords = source.readInt();
        return new RecordDesfireFileSettings(fileType, commSetting, accessRights, recordSize, maxRecords, curRecords);
    } else {
        return new UnsupportedDesfireFileSettings(fileType);
    }
}
 

private NanoApp(Parcel in) {
    mPublisher = in.readString();
    mName = in.readString();

    mAppId = in.readLong();
    mAppVersion = in.readInt();
    mNeededReadMemBytes = in.readInt();
    mNeededWriteMemBytes = in.readInt();
    mNeededExecMemBytes = in.readInt();

    int mNeededSensorsLength = in.readInt();
    mNeededSensors = new int[mNeededSensorsLength];
    in.readIntArray(mNeededSensors);

    int mOutputEventsLength = in.readInt();
    mOutputEvents = new int[mOutputEventsLength];
    in.readIntArray(mOutputEvents);

    int binaryLength = in.readInt();
    mAppBinary = new byte[binaryLength];
    in.readByteArray(mAppBinary);
}
 

@Override
public NdefRecord createFromParcel(Parcel in) {
    short tnf = (short)in.readInt();
    int typeLength = in.readInt();
    byte[] type = new byte[typeLength];
    in.readByteArray(type);
    int idLength = in.readInt();
    byte[] id = new byte[idLength];
    in.readByteArray(id);
    int payloadLength = in.readInt();
    byte[] payload = new byte[payloadLength];
    in.readByteArray(payload);

    return new NdefRecord(tnf, type, id, payload);
}
 

static byte[] readBytesWithNull(Parcel in) {
    int len = in.readInt();
    byte[] result = null;
    if (len >= 0) {
        result = new byte[len];
        in.readByteArray(result);
    }
    return result;
}
 

DownloadRequest(Parcel in) {
  id = castNonNull(in.readString());
  type = castNonNull(in.readString());
  uri = Uri.parse(castNonNull(in.readString()));
  int streamKeyCount = in.readInt();
  ArrayList<StreamKey> mutableStreamKeys = new ArrayList<>(streamKeyCount);
  for (int i = 0; i < streamKeyCount; i++) {
    mutableStreamKeys.add(in.readParcelable(StreamKey.class.getClassLoader()));
  }
  streamKeys = Collections.unmodifiableList(mutableStreamKeys);
  customCacheKey = in.readString();
  data = new byte[in.readInt()];
  in.readByteArray(data);
}
 

public void readFromParcel(Parcel in) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        this.scanResult = in.readParcelable(ScanResult.class.getClassLoader());
    }
    int scanRecordLen = in.readInt();
    if (scanRecordLen > 0) {
        this.scanRecord = new byte[scanRecordLen];
        in.readByteArray(this.scanRecord);
    }
    String inName = in.readString();
    this.name = inName == null ? "" : inName;
    this.address = Objects.requireNonNull(in.readString());
    this.rssi = in.readInt();
    this.connectionState = ConnectionState.valueOf(in.readString());
}
 

private byte[] readArrayFromParcel(Parcel src) {
	if (src.readByte() == (byte)1) {
		return null;
	}
	int arraySize = src.readInt();
	byte[] result = new byte[arraySize];
	src.readByteArray(result);
	return result;
}
 

static byte[] readBytesWithNull(Parcel in) {
    int len = in.readInt();
    byte[] result = null;
    if (len >= 0) {
        result = new byte[len];
        in.readByteArray(result);
    }
    return result;
}
 

private MdtaMetadataEntry(Parcel in) {
  key = Util.castNonNull(in.readString());
  value = new byte[in.readInt()];
  in.readByteArray(value);
  localeIndicator = in.readInt();
  typeIndicator = in.readInt();
}
 

public SdpOppOpsRecord(Parcel in) {
    mRfcommChannel = in.readInt();
    mL2capPsm = in.readInt();
    mProfileVersion = in.readInt();
    mServiceName = in.readString();
    int arrayLength = in.readInt();
    if (arrayLength > 0) {
        byte[] bytes = new byte[arrayLength];
        in.readByteArray(bytes);
        mFormatsList = bytes;
    } else {
        mFormatsList = null;
    }
}
 

private ContextHubMessage(Parcel in) {
    mType = in.readInt();
    mVersion = in.readInt();
    int bufferLength = in.readInt();
    mData = new byte[bufferLength];
    in.readByteArray(mData);
}
 

private NanoAppBinary(Parcel in) {
    int binaryLength = in.readInt();
    mNanoAppBinary = new byte[binaryLength];
    in.readByteArray(mNanoAppBinary);

    parseBinaryHeader();
}
 

private NanoAppMessage(Parcel in) {
    mNanoAppId = in.readLong();
    mIsBroadcasted = (in.readInt() == 1);
    mMessageType = in.readInt();

    int msgSize = in.readInt();
    mMessageBody = new byte[msgSize];
    in.readByteArray(mMessageBody);
}
 

private RssiCurve(Parcel in) {
    start = in.readInt();
    bucketWidth = in.readInt();
    int bucketCount = in.readInt();
    rssiBuckets = new byte[bucketCount];
    in.readByteArray(rssiBuckets);
    activeNetworkRssiBoost = in.readInt();
}
 

/**
 * Constructor for Parcelable implementation
 *
 * @param in parecel object
 */
public ObservationLocation(Parcel in) {
    byte[] geometryBytes = new byte[in.readInt()];
    in.readByteArray(geometryBytes);
    geometry = GeometryUtility.toGeometry(geometryBytes);
    accuracy = (Float) in.readValue(Float.class.getClassLoader());
    provider = in.readString();
    time = in.readLong();
    elapsedRealtimeNanos = in.readLong();
}
 

private PrivateCommand(Parcel in) {
  ptsAdjustment = in.readLong();
  identifier = in.readLong();
  commandBytes = new byte[in.readInt()];
  in.readByteArray(commandBytes);
}
 

private static byte[] readBytes(Parcel in) {
    byte[] bytes = new byte[in.readInt()];
    in.readByteArray(bytes);
    return bytes;
}
 

private PrivateCommand(Parcel in) {
  ptsAdjustment = in.readLong();
  identifier = in.readLong();
  commandBytes = new byte[in.readInt()];
  in.readByteArray(commandBytes);
}