location/java/android/location/GnssNavigationMessage.java - LeafOS-Project/android_frameworks_base - Gitiles

 /*
  * Copyright (C) 2014 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 android.location;

 import android.annotation.TestApi;
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.os.Parcel;
 import android.os.Parcelable;

 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.security.InvalidParameterException;

 /**
  * A class containing a GNSS satellite Navigation Message.
  */
 public final class GnssNavigationMessage implements Parcelable {

     private static final byte[] EMPTY_ARRAY = new byte[0];

     /**
      * The type of the GNSS Navigation Message
      * @hide
      */
     @Retention(RetentionPolicy.SOURCE)
     @IntDef({TYPE_UNKNOWN, TYPE_GPS_L1CA, TYPE_GPS_L2CNAV, TYPE_GPS_L5CNAV, TYPE_GPS_CNAV2,
         TYPE_GLO_L1CA, TYPE_BDS_D1, TYPE_BDS_D2, TYPE_GAL_I, TYPE_GAL_F})
     public @interface GnssNavigationMessageType {}

     // The following enumerations must be in sync with the values declared in gps.h

     /** Message type unknown */
     public static final int TYPE_UNKNOWN = 0;
     /** GPS L1 C/A message contained in the structure.  */
     public static final int TYPE_GPS_L1CA = 0x0101;
     /** GPS L2-CNAV message contained in the structure. */
     public static final int TYPE_GPS_L2CNAV = 0x0102;
     /** GPS L5-CNAV message contained in the structure. */
     public static final int TYPE_GPS_L5CNAV = 0x0103;
     /** GPS CNAV-2 message contained in the structure. */
     public static final int TYPE_GPS_CNAV2 = 0x0104;
     /** Glonass L1 CA message contained in the structure. */
     public static final int TYPE_GLO_L1CA = 0x0301;
     /** Beidou D1 message contained in the structure. */
     public static final int TYPE_BDS_D1 = 0x0501;
     /** Beidou D2 message contained in the structure. */
     public static final int TYPE_BDS_D2 = 0x0502;
     /** Galileo I/NAV message contained in the structure. */
     public static final int TYPE_GAL_I = 0x0601;
     /** Galileo F/NAV message contained in the structure. */
     public static final int TYPE_GAL_F = 0x0602;

     /**
      * The Navigation Message Status is 'unknown'.
      */
     public static final int STATUS_UNKNOWN = 0;

     /**
      * The Navigation Message was received without any parity error in its navigation words.
      */
     public static final int STATUS_PARITY_PASSED = (1<<0);

     /**
      * The Navigation Message was received with words that failed parity check, but the receiver was
      * able to correct those words.
      */
     public static final int STATUS_PARITY_REBUILT = (1<<1);

     /**
      * Used for receiving GNSS satellite Navigation Messages from the GNSS engine.
      *
      * <p>You can implement this interface and call
      * {@link LocationManager#registerGnssNavigationMessageCallback}.
      */
     public static abstract class Callback {
         /**
          * The status of GNSS measurements event.
          * @hide
          */
         @Retention(RetentionPolicy.SOURCE)
         @IntDef({STATUS_NOT_SUPPORTED, STATUS_READY, STATUS_LOCATION_DISABLED})
         public @interface GnssNavigationMessageStatus {}

         /**
          * The system does not support tracking of GNSS Navigation Messages.
          *
          * This status will not change in the future.
          */
         public static final int STATUS_NOT_SUPPORTED = 0;

         /**
          * GNSS Navigation Messages are successfully being tracked, it will receive updates once
          * they are available.
          */
         public static final int STATUS_READY = 1;

         /**
          * GNSS provider or Location is disabled, updated will not be received until they are
          * enabled.
          */
         public static final int STATUS_LOCATION_DISABLED = 2;

         /**
          * Returns the latest collected GNSS Navigation Message.
          */
         public void onGnssNavigationMessageReceived(GnssNavigationMessage event) {}

         /**
          * Returns the latest status of the GNSS Navigation Messages sub-system.
          */
         public void onStatusChanged(@GnssNavigationMessageStatus int status) {}
     }

     // End enumerations in sync with gps.h

     private int mType;
     private int mSvid;
     private int mMessageId;
     private int mSubmessageId;
     private byte[] mData;
     private int mStatus;

     /**
      * @hide
      */
     @TestApi
     public GnssNavigationMessage() {
         initialize();
     }

     /**
      * Sets all contents to the values stored in the provided object.
      * @hide
      */
     @TestApi
     public void set(GnssNavigationMessage navigationMessage) {
         mType = navigationMessage.mType;
         mSvid = navigationMessage.mSvid;
         mMessageId = navigationMessage.mMessageId;
         mSubmessageId = navigationMessage.mSubmessageId;
         mData = navigationMessage.mData;
         mStatus = navigationMessage.mStatus;
     }

     /**
      * Resets all the contents to its original state.
      * @hide
      */
     @TestApi
     public void reset() {
         initialize();
     }

     /**
      * Gets the type of the navigation message contained in the object.
      */
     @GnssNavigationMessageType
     public int getType() {
         return mType;
     }

     /**
      * Sets the type of the navigation message.
      * @hide
      */
     @TestApi
     public void setType(@GnssNavigationMessageType int value) {
         mType = value;
     }

     /**
      * Gets a string representation of the 'type'.
      * For internal and logging use only.
      */
     private String getTypeString() {
         switch (mType) {
             case TYPE_UNKNOWN:
                 return "Unknown";
             case TYPE_GPS_L1CA:
                 return "GPS L1 C/A";
             case TYPE_GPS_L2CNAV:
                 return "GPS L2-CNAV";
             case TYPE_GPS_L5CNAV:
                 return "GPS L5-CNAV";
             case TYPE_GPS_CNAV2:
                 return "GPS CNAV2";
             case TYPE_GLO_L1CA:
                 return "Glonass L1 C/A";
             case TYPE_BDS_D1:
                 return "Beidou D1";
             case TYPE_BDS_D2:
                 return "Beidou D2";
             case TYPE_GAL_I:
                 return "Galileo I";
             case TYPE_GAL_F:
                 return "Galileo F";
             default:
                 return "<Invalid:" + mType + ">";
         }
     }

     /**
      * Gets the satellite ID.
      *
      * <p>Range varies by constellation.  See definition at {@code GnssStatus#getSvid(int)}
      */
     public int getSvid() {
         return mSvid;
     }

     /**
      * Sets the satellite ID.
      * @hide
      */
     @TestApi
     public void setSvid(int value) {
         mSvid = value;
     }

     /**
      * Gets the Message identifier.
      *
      * <p>This provides an index to help with complete Navigation Message assembly. Similar
      * identifiers within the data bits themselves often supplement this information, in ways even
      * more specific to each message type; see the relevant satellite constellation ICDs for
      * details.
      *
      * <ul>
      * <li> For GPS L1 C/A subframe 4 and 5, this value corresponds to the 'frame id' of the
      * navigation message, in the range of 1-25 (Subframe 1, 2, 3 does not contain a 'frame id' and
      * this value can be set to -1.)</li>
      * <li> For Glonass L1 C/A, this refers to the frame ID, in the range of 1-5.</li>
      * <li> For BeiDou D1, this refers to the frame number in the range of 1-24</li>
      * <li> For Beidou D2, this refers to the frame number, in the range of 1-120</li>
      * <li> For Galileo F/NAV nominal frame structure, this refers to the subframe number, in the
      * range of 1-12</li>
      * <li> For Galileo I/NAV nominal frame structure, this refers to the subframe number in the
      * range of 1-24</li>
      * </ul>
      */
     public int getMessageId() {
         return mMessageId;
     }

     /**
      * Sets the Message Identifier.
      * @hide
      */
     @TestApi
     public void setMessageId(int value) {
         mMessageId = value;
     }

     /**
      * Gets the sub-message identifier, relevant to the {@link #getType()} of the message.
      *
      * <ul>
      * <li> For GPS L1 C/A, BeiDou D1 &amp; BeiDou D2, the submessage id corresponds to the subframe
      * number of the navigation message, in the range of 1-5.</li>
      * <li>For Glonass L1 C/A, this refers to the String number, in the range from 1-15</li>
      * <li>For Galileo F/NAV, this refers to the page type in the range 1-6</li>
      * <li>For Galileo I/NAV, this refers to the word type in the range 1-10+</li>
      * <li>For Galileo in particular, the type information embedded within the data bits may be even
      * more useful in interpretation, than the nominal page and word types provided in this
      * field.</li>
      * </ul>
      */
     public int getSubmessageId() {
         return mSubmessageId;
     }

     /**
      * Sets the Sub-message identifier.
      * @hide
      */
     @TestApi
     public void setSubmessageId(int value) {
         mSubmessageId = value;
     }

     /**
      * Gets the data of the reported GPS message.
      *
      * <p>The bytes (or words) specified using big endian format (MSB first).
      *
      * <ul>
      * <li>For GPS L1 C/A, Beidou D1 &amp; Beidou D2, each subframe contains 10 30-bit words. Each
      * word (30 bits) should be fit into the last 30 bits in a 4-byte word (skip B31 and B32), with
      * MSB first, for a total of 40 bytes, covering a time period of 6, 6, and 0.6 seconds,
      * respectively.</li>
      * <li>For Glonass L1 C/A, each string contains 85 data bits, including the checksum.  These
      * bits should be fit into 11 bytes, with MSB first (skip B86-B88), covering a time period of 2
      * seconds.</li>
      * <li>For Galileo F/NAV, each word consists of 238-bit (sync &amp; tail symbols excluded). Each
      * word should be fit into 30-bytes, with MSB first (skip B239, B240), covering a time period of
      * 10 seconds.</li>
      * <li>For Galileo I/NAV, each page contains 2 page parts, even and odd, with a total of 2x114 =
      * 228 bits, (sync &amp; tail excluded) that should be fit into 29 bytes, with MSB first (skip
      * B229-B232).</li>
      * </ul>
      */
     @NonNull
     public byte[] getData() {
         return mData;
     }

     /**
      * Sets the data associated with the Navigation Message.
      * @hide
      */
     @TestApi
     public void setData(byte[] value) {
         if (value == null) {
             throw new InvalidParameterException("Data must be a non-null array");
         }

         mData = value;
     }

     /**
      * Gets the Status of the navigation message contained in the object.
      */
     public int getStatus() {
         return mStatus;
     }

     /**
      * Sets the status of the navigation message.
      * @hide
      */
     @TestApi
     public void setStatus(int value) {
         mStatus = value;
     }

     /**
      * Gets a string representation of the 'status'.
      * For internal and logging use only.
      */
     private String getStatusString() {
         switch (mStatus) {
             case STATUS_UNKNOWN:
                 return "Unknown";
             case STATUS_PARITY_PASSED:
                 return "ParityPassed";
             case STATUS_PARITY_REBUILT:
                 return "ParityRebuilt";
             default:
                 return "<Invalid:" + mStatus + ">";
         }
     }

     public static final Creator<GnssNavigationMessage> CREATOR =
             new Creator<GnssNavigationMessage>() {
         @Override
         public GnssNavigationMessage createFromParcel(Parcel parcel) {
             GnssNavigationMessage navigationMessage = new GnssNavigationMessage();

             navigationMessage.setType(parcel.readInt());
             navigationMessage.setSvid(parcel.readInt());
             navigationMessage.setMessageId(parcel.readInt());
             navigationMessage.setSubmessageId(parcel.readInt());
             int dataLength = parcel.readInt();
             byte[] data = new byte[dataLength];
             parcel.readByteArray(data);
             navigationMessage.setData(data);
             navigationMessage.setStatus(parcel.readInt());

             return navigationMessage;
         }

         @Override
         public GnssNavigationMessage[] newArray(int size) {
             return new GnssNavigationMessage[size];
         }
     };

     @Override
     public void writeToParcel(Parcel parcel, int flags) {
         parcel.writeInt(mType);
         parcel.writeInt(mSvid);
         parcel.writeInt(mMessageId);
         parcel.writeInt(mSubmessageId);
         parcel.writeInt(mData.length);
         parcel.writeByteArray(mData);
         parcel.writeInt(mStatus);
     }

     @Override
     public int describeContents() {
         return 0;
     }

     @Override
     public String toString() {
         final String format = "   %-15s = %s\n";
         StringBuilder builder = new StringBuilder("GnssNavigationMessage:\n");

         builder.append(String.format(format, "Type", getTypeString()));
         builder.append(String.format(format, "Svid", mSvid));
         builder.append(String.format(format, "Status", getStatusString()));
         builder.append(String.format(format, "MessageId", mMessageId));
         builder.append(String.format(format, "SubmessageId", mSubmessageId));

         builder.append(String.format(format, "Data", "{"));
         String prefix = "        ";
         for(byte value : mData) {
             builder.append(prefix);
             builder.append(value);
             prefix = ", ";
         }
         builder.append(" }");

         return builder.toString();
     }

     private void initialize() {
         mType = TYPE_UNKNOWN;
         mSvid = 0;
         mMessageId = -1;
         mSubmessageId = -1;
         mData = EMPTY_ARRAY;
         mStatus = STATUS_UNKNOWN;
     }
 }
	/*
	* Copyright (C) 2014 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 android.location;

	import android.annotation.TestApi;
	import android.annotation.IntDef;
	import android.annotation.NonNull;
	import android.os.Parcel;
	import android.os.Parcelable;

	import java.lang.annotation.Retention;
	import java.lang.annotation.RetentionPolicy;
	import java.security.InvalidParameterException;

	/**
	* A class containing a GNSS satellite Navigation Message.
	*/
	public final class GnssNavigationMessage implements Parcelable {

	private static final byte[] EMPTY_ARRAY = new byte[0];

	/**
	* The type of the GNSS Navigation Message
	* @hide
	*/
	@Retention(RetentionPolicy.SOURCE)
	@IntDef({TYPE_UNKNOWN, TYPE_GPS_L1CA, TYPE_GPS_L2CNAV, TYPE_GPS_L5CNAV, TYPE_GPS_CNAV2,
	TYPE_GLO_L1CA, TYPE_BDS_D1, TYPE_BDS_D2, TYPE_GAL_I, TYPE_GAL_F})
	public @interface GnssNavigationMessageType {}

	// The following enumerations must be in sync with the values declared in gps.h

	/** Message type unknown */
	public static final int TYPE_UNKNOWN = 0;
	/** GPS L1 C/A message contained in the structure. */
	public static final int TYPE_GPS_L1CA = 0x0101;
	/** GPS L2-CNAV message contained in the structure. */
	public static final int TYPE_GPS_L2CNAV = 0x0102;
	/** GPS L5-CNAV message contained in the structure. */
	public static final int TYPE_GPS_L5CNAV = 0x0103;
	/** GPS CNAV-2 message contained in the structure. */
	public static final int TYPE_GPS_CNAV2 = 0x0104;
	/** Glonass L1 CA message contained in the structure. */
	public static final int TYPE_GLO_L1CA = 0x0301;
	/** Beidou D1 message contained in the structure. */
	public static final int TYPE_BDS_D1 = 0x0501;
	/** Beidou D2 message contained in the structure. */
	public static final int TYPE_BDS_D2 = 0x0502;
	/** Galileo I/NAV message contained in the structure. */
	public static final int TYPE_GAL_I = 0x0601;
	/** Galileo F/NAV message contained in the structure. */
	public static final int TYPE_GAL_F = 0x0602;

	/**
	* The Navigation Message Status is 'unknown'.
	*/
	public static final int STATUS_UNKNOWN = 0;

	/**
	* The Navigation Message was received without any parity error in its navigation words.
	*/
	public static final int STATUS_PARITY_PASSED = (1<<0);

	/**
	* The Navigation Message was received with words that failed parity check, but the receiver was
	* able to correct those words.
	*/
	public static final int STATUS_PARITY_REBUILT = (1<<1);

	/**
	* Used for receiving GNSS satellite Navigation Messages from the GNSS engine.
	*
	* <p>You can implement this interface and call
	* {@link LocationManager#registerGnssNavigationMessageCallback}.
	*/
	public static abstract class Callback {
	/**
	* The status of GNSS measurements event.
	* @hide
	*/
	@Retention(RetentionPolicy.SOURCE)
	@IntDef({STATUS_NOT_SUPPORTED, STATUS_READY, STATUS_LOCATION_DISABLED})
	public @interface GnssNavigationMessageStatus {}

	/**
	* The system does not support tracking of GNSS Navigation Messages.
	*
	* This status will not change in the future.
	*/
	public static final int STATUS_NOT_SUPPORTED = 0;

	/**
	* GNSS Navigation Messages are successfully being tracked, it will receive updates once
	* they are available.
	*/
	public static final int STATUS_READY = 1;

	/**
	* GNSS provider or Location is disabled, updated will not be received until they are
	* enabled.
	*/
	public static final int STATUS_LOCATION_DISABLED = 2;

	/**
	* Returns the latest collected GNSS Navigation Message.
	*/
	public void onGnssNavigationMessageReceived(GnssNavigationMessage event) {}

	/**
	* Returns the latest status of the GNSS Navigation Messages sub-system.
	*/
	public void onStatusChanged(@GnssNavigationMessageStatus int status) {}
	}

	// End enumerations in sync with gps.h

	private int mType;
	private int mSvid;
	private int mMessageId;
	private int mSubmessageId;
	private byte[] mData;
	private int mStatus;

	/**
	* @hide
	*/
	@TestApi
	public GnssNavigationMessage() {
	initialize();
	}

	/**
	* Sets all contents to the values stored in the provided object.
	* @hide
	*/
	@TestApi
	public void set(GnssNavigationMessage navigationMessage) {
	mType = navigationMessage.mType;
	mSvid = navigationMessage.mSvid;
	mMessageId = navigationMessage.mMessageId;
	mSubmessageId = navigationMessage.mSubmessageId;
	mData = navigationMessage.mData;
	mStatus = navigationMessage.mStatus;
	}

	/**
	* Resets all the contents to its original state.
	* @hide
	*/
	@TestApi
	public void reset() {
	initialize();
	}

	/**
	* Gets the type of the navigation message contained in the object.
	*/
	@GnssNavigationMessageType
	public int getType() {
	return mType;
	}

	/**
	* Sets the type of the navigation message.
	* @hide
	*/
	@TestApi
	public void setType(@GnssNavigationMessageType int value) {
	mType = value;
	}

	/**
	* Gets a string representation of the 'type'.
	* For internal and logging use only.
	*/
	private String getTypeString() {
	switch (mType) {
	case TYPE_UNKNOWN:
	return "Unknown";
	case TYPE_GPS_L1CA:
	return "GPS L1 C/A";
	case TYPE_GPS_L2CNAV:
	return "GPS L2-CNAV";
	case TYPE_GPS_L5CNAV:
	return "GPS L5-CNAV";
	case TYPE_GPS_CNAV2:
	return "GPS CNAV2";
	case TYPE_GLO_L1CA:
	return "Glonass L1 C/A";
	case TYPE_BDS_D1:
	return "Beidou D1";
	case TYPE_BDS_D2:
	return "Beidou D2";
	case TYPE_GAL_I:
	return "Galileo I";
	case TYPE_GAL_F:
	return "Galileo F";
	default:
	return "<Invalid:" + mType + ">";
	}
	}

	/**
	* Gets the satellite ID.
	*
	* <p>Range varies by constellation. See definition at {@code GnssStatus#getSvid(int)}
	*/
	public int getSvid() {
	return mSvid;
	}

	/**
	* Sets the satellite ID.
	* @hide
	*/
	@TestApi
	public void setSvid(int value) {
	mSvid = value;
	}

	/**
	* Gets the Message identifier.
	*
	* <p>This provides an index to help with complete Navigation Message assembly. Similar
	* identifiers within the data bits themselves often supplement this information, in ways even
	* more specific to each message type; see the relevant satellite constellation ICDs for
	* details.
	*
	* <ul>
	* <li> For GPS L1 C/A subframe 4 and 5, this value corresponds to the 'frame id' of the
	* navigation message, in the range of 1-25 (Subframe 1, 2, 3 does not contain a 'frame id' and
	* this value can be set to -1.)</li>
	* <li> For Glonass L1 C/A, this refers to the frame ID, in the range of 1-5.</li>
	* <li> For BeiDou D1, this refers to the frame number in the range of 1-24</li>
	* <li> For Beidou D2, this refers to the frame number, in the range of 1-120</li>
	* <li> For Galileo F/NAV nominal frame structure, this refers to the subframe number, in the
	* range of 1-12</li>
	* <li> For Galileo I/NAV nominal frame structure, this refers to the subframe number in the
	* range of 1-24</li>
	* </ul>
	*/
	public int getMessageId() {
	return mMessageId;
	}

	/**
	* Sets the Message Identifier.
	* @hide
	*/
	@TestApi
	public void setMessageId(int value) {
	mMessageId = value;
	}

	/**
	* Gets the sub-message identifier, relevant to the {@link #getType()} of the message.
	*
	* <ul>
	* <li> For GPS L1 C/A, BeiDou D1 & BeiDou D2, the submessage id corresponds to the subframe
	* number of the navigation message, in the range of 1-5.</li>
	* <li>For Glonass L1 C/A, this refers to the String number, in the range from 1-15</li>
	* <li>For Galileo F/NAV, this refers to the page type in the range 1-6</li>
	* <li>For Galileo I/NAV, this refers to the word type in the range 1-10+</li>
	* <li>For Galileo in particular, the type information embedded within the data bits may be even
	* more useful in interpretation, than the nominal page and word types provided in this
	* field.</li>
	* </ul>
	*/
	public int getSubmessageId() {
	return mSubmessageId;
	}

	/**
	* Sets the Sub-message identifier.
	* @hide
	*/
	@TestApi
	public void setSubmessageId(int value) {
	mSubmessageId = value;
	}

	/**
	* Gets the data of the reported GPS message.
	*
	* <p>The bytes (or words) specified using big endian format (MSB first).
	*
	* <ul>
	* <li>For GPS L1 C/A, Beidou D1 & Beidou D2, each subframe contains 10 30-bit words. Each
	* word (30 bits) should be fit into the last 30 bits in a 4-byte word (skip B31 and B32), with
	* MSB first, for a total of 40 bytes, covering a time period of 6, 6, and 0.6 seconds,
	* respectively.</li>
	* <li>For Glonass L1 C/A, each string contains 85 data bits, including the checksum. These
	* bits should be fit into 11 bytes, with MSB first (skip B86-B88), covering a time period of 2
	* seconds.</li>
	* <li>For Galileo F/NAV, each word consists of 238-bit (sync & tail symbols excluded). Each
	* word should be fit into 30-bytes, with MSB first (skip B239, B240), covering a time period of
	* 10 seconds.</li>
	* <li>For Galileo I/NAV, each page contains 2 page parts, even and odd, with a total of 2x114 =
	* 228 bits, (sync & tail excluded) that should be fit into 29 bytes, with MSB first (skip
	* B229-B232).</li>
	* </ul>
	*/
	@NonNull
	public byte[] getData() {
	return mData;
	}

	/**
	* Sets the data associated with the Navigation Message.
	* @hide
	*/
	@TestApi
	public void setData(byte[] value) {
	if (value == null) {
	throw new InvalidParameterException("Data must be a non-null array");
	}

	mData = value;
	}

	/**
	* Gets the Status of the navigation message contained in the object.
	*/
	public int getStatus() {
	return mStatus;
	}

	/**
	* Sets the status of the navigation message.
	* @hide
	*/
	@TestApi
	public void setStatus(int value) {
	mStatus = value;
	}

	/**
	* Gets a string representation of the 'status'.
	* For internal and logging use only.
	*/
	private String getStatusString() {
	switch (mStatus) {
	case STATUS_UNKNOWN:
	return "Unknown";
	case STATUS_PARITY_PASSED:
	return "ParityPassed";
	case STATUS_PARITY_REBUILT:
	return "ParityRebuilt";
	default:
	return "<Invalid:" + mStatus + ">";
	}
	}

	public static final Creator<GnssNavigationMessage> CREATOR =
	new Creator<GnssNavigationMessage>() {
	@Override
	public GnssNavigationMessage createFromParcel(Parcel parcel) {
	GnssNavigationMessage navigationMessage = new GnssNavigationMessage();

	navigationMessage.setType(parcel.readInt());
	navigationMessage.setSvid(parcel.readInt());
	navigationMessage.setMessageId(parcel.readInt());
	navigationMessage.setSubmessageId(parcel.readInt());
	int dataLength = parcel.readInt();
	byte[] data = new byte[dataLength];
	parcel.readByteArray(data);
	navigationMessage.setData(data);
	navigationMessage.setStatus(parcel.readInt());

	return navigationMessage;
	}

	@Override
	public GnssNavigationMessage[] newArray(int size) {
	return new GnssNavigationMessage[size];
	}
	};

	@Override
	public void writeToParcel(Parcel parcel, int flags) {
	parcel.writeInt(mType);
	parcel.writeInt(mSvid);
	parcel.writeInt(mMessageId);
	parcel.writeInt(mSubmessageId);
	parcel.writeInt(mData.length);
	parcel.writeByteArray(mData);
	parcel.writeInt(mStatus);
	}

	@Override
	public int describeContents() {
	return 0;
	}

	@Override
	public String toString() {
	final String format = " %-15s = %s\n";
	StringBuilder builder = new StringBuilder("GnssNavigationMessage:\n");

	builder.append(String.format(format, "Type", getTypeString()));
	builder.append(String.format(format, "Svid", mSvid));
	builder.append(String.format(format, "Status", getStatusString()));
	builder.append(String.format(format, "MessageId", mMessageId));
	builder.append(String.format(format, "SubmessageId", mSubmessageId));

	builder.append(String.format(format, "Data", "{"));
	String prefix = " ";
	for(byte value : mData) {
	builder.append(prefix);
	builder.append(value);
	prefix = ", ";
	}
	builder.append(" }");

	return builder.toString();
	}

	private void initialize() {
	mType = TYPE_UNKNOWN;
	mSvid = 0;
	mMessageId = -1;
	mSubmessageId = -1;
	mData = EMPTY_ARRAY;
	mStatus = STATUS_UNKNOWN;
	}
	}