Most visited

Recently visited

Results for

Location

public class Location
extends Object implements Parcelable

java.lang.Object
↳	android.location.Location

A data class representing a geographic location.

A location can consist of a latitude, longitude, timestamp, and other information such as bearing, altitude and velocity.

All locations generated by the LocationManager are guaranteed to have a valid latitude, longitude, and timestamp (both UTC time and elapsed real-time since boot), all other parameters are optional.

Summary

Constants
`int`	`FORMAT_DEGREES` Constant used to specify formatting of a latitude or longitude in the form "[+-]DDD.DDDDD where D indicates degrees.
`int`	`FORMAT_MINUTES` Constant used to specify formatting of a latitude or longitude in the form "[+-]DDD:MM.MMMMM" where D indicates degrees and M indicates minutes of arc (1 minute = 1/60th of a degree).
`int`	`FORMAT_SECONDS` Constant used to specify formatting of a latitude or longitude in the form "DDD:MM:SS.SSSSS" where D indicates degrees, M indicates minutes of arc, and S indicates seconds of arc (1 minute = 1/60th of a degree, 1 second = 1/3600th of a degree).

Inherited constants

From interface android.os.Parcelable

`int`	`CONTENTS_FILE_DESCRIPTOR` Descriptor bit used with `describeContents()`: indicates that the Parcelable object's flattened representation includes a file descriptor.
`int`	`PARCELABLE_WRITE_RETURN_VALUE` Flag for use with `writeToParcel(Parcel, int)`: the object being written is a return value, that is the result of a function such as "`Parcelable someFunction()`", "`void someFunction(out Parcelable)`", or "`void someFunction(inout Parcelable)`".

Fields
`public static final Creator<Location>`	`CREATOR`

Public constructors
`Location(String provider)` Construct a new Location with a named provider.
`Location(Location l)` Construct a new Location object that is copied from an existing one.

Public methods
`float`	`bearingTo(Location dest)` Returns the approximate initial bearing in degrees East of true North when traveling along the shortest path between this location and the given location.
`static String`	`convert(double coordinate, int outputType)` Converts a coordinate to a String representation.
`static double`	`convert(String coordinate)` Converts a String in one of the formats described by FORMAT_DEGREES, FORMAT_MINUTES, or FORMAT_SECONDS into a double.
`int`	`describeContents()` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.
`static void`	`distanceBetween(double startLatitude, double startLongitude, double endLatitude, double endLongitude, float[] results)` Computes the approximate distance in meters between two locations, and optionally the initial and final bearings of the shortest path between them.
`float`	`distanceTo(Location dest)` Returns the approximate distance in meters between this location and the given location.
`void`	`dump(Printer pw, String prefix)`
`float`	`getAccuracy()` Get the estimated horizontal accuracy of this location, radial, in meters.
`double`	`getAltitude()` Get the altitude if available, in meters above the WGS 84 reference ellipsoid.
`float`	`getBearing()` Get the bearing, in degrees.
`float`	`getBearingAccuracyDegrees()` Get the estimated bearing accuracy of this location, in degrees.
`long`	`getElapsedRealtimeNanos()` Return the time of this fix, in elapsed real-time since system boot.
`double`	`getElapsedRealtimeUncertaintyNanos()` Get estimate of the relative precision of the alignment of the ElapsedRealtimeNanos timestamp, with the reported measurements in nanoseconds (68% confidence).
`Bundle`	`getExtras()` Returns additional provider-specific information about the location fix as a Bundle.
`double`	`getLatitude()` Get the latitude, in degrees.
`double`	`getLongitude()` Get the longitude, in degrees.
`String`	`getProvider()` Returns the name of the provider that generated this fix.
`float`	`getSpeed()` Get the speed if it is available, in meters/second over ground.
`float`	`getSpeedAccuracyMetersPerSecond()` Get the estimated speed accuracy of this location, in meters per second.
`long`	`getTime()` Return the UTC time of this fix, in milliseconds since January 1, 1970.
`float`	`getVerticalAccuracyMeters()` Get the estimated vertical accuracy of this location, in meters.
`boolean`	`hasAccuracy()` True if this location has a horizontal accuracy.
`boolean`	`hasAltitude()` True if this location has an altitude.
`boolean`	`hasBearing()` True if this location has a bearing.
`boolean`	`hasBearingAccuracy()` True if this location has a bearing accuracy.
`boolean`	`hasElapsedRealtimeUncertaintyNanos()` True if this location has a elapsed realtime accuracy.
`boolean`	`hasSpeed()` True if this location has a speed.
`boolean`	`hasSpeedAccuracy()` True if this location has a speed accuracy.
`boolean`	`hasVerticalAccuracy()` True if this location has a vertical accuracy.
`boolean`	`isFromMockProvider()` Returns true if the Location came from a mock provider.
`void`	`removeAccuracy()` This method is deprecated. use a new Location object for location updates.
`void`	`removeAltitude()` This method is deprecated. use a new Location object for location updates.
`void`	`removeBearing()` This method is deprecated. use a new Location object for location updates.
`void`	`removeSpeed()` This method is deprecated. use a new Location object for location updates.
`void`	`reset()` Clears the contents of the location.
`void`	`set(Location l)` Sets the contents of the location to the values from the given location.
`void`	`setAccuracy(float horizontalAccuracy)` Set the estimated horizontal accuracy of this location, meters.
`void`	`setAltitude(double altitude)` Set the altitude, in meters above the WGS 84 reference ellipsoid.
`void`	`setBearing(float bearing)` Set the bearing, in degrees.
`void`	`setBearingAccuracyDegrees(float bearingAccuracyDegrees)` Set the estimated bearing accuracy of this location, degrees.
`void`	`setElapsedRealtimeNanos(long time)` Set the time of this fix, in elapsed real-time since system boot.
`void`	`setElapsedRealtimeUncertaintyNanos(double time)` Set estimate of the relative precision of the alignment of the ElapsedRealtimeNanos timestamp, with the reported measurements in nanoseconds (68% confidence).
`void`	`setExtras(Bundle extras)` Sets the extra information associated with this fix to the given Bundle.
`void`	`setLatitude(double latitude)` Set the latitude, in degrees.
`void`	`setLongitude(double longitude)` Set the longitude, in degrees.
`void`	`setProvider(String provider)` Sets the name of the provider that generated this fix.
`void`	`setSpeed(float speed)` Set the speed, in meters/second over ground.
`void`	`setSpeedAccuracyMetersPerSecond(float speedAccuracyMeterPerSecond)` Set the estimated speed accuracy of this location, meters per second.
`void`	`setTime(long time)` Set the UTC time of this fix, in milliseconds since January 1, 1970.
`void`	`setVerticalAccuracyMeters(float verticalAccuracyMeters)` Set the estimated vertical accuracy of this location, meters.
`String`	`toString()` Returns a string representation of the object.
`void`	`writeToParcel(Parcel parcel, int flags)` Flatten this object in to a Parcel.

Inherited methods

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

From interface


        
          android.os.Parcelable

`abstract int`	`describeContents()` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.
`abstract void`	`writeToParcel(Parcel dest, int flags)` Flatten this object in to a Parcel.

Constants

FORMAT_DEGREES

public static final int FORMAT_DEGREES

Constant used to specify formatting of a latitude or longitude in the form "[+-]DDD.DDDDD where D indicates degrees.

Constant Value: 0 (0x00000000)

FORMAT_MINUTES

public static final int FORMAT_MINUTES

Constant used to specify formatting of a latitude or longitude in the form "[+-]DDD:MM.MMMMM" where D indicates degrees and M indicates minutes of arc (1 minute = 1/60th of a degree).

Constant Value: 1 (0x00000001)

FORMAT_SECONDS

public static final int FORMAT_SECONDS

Constant used to specify formatting of a latitude or longitude in the form "DDD:MM:SS.SSSSS" where D indicates degrees, M indicates minutes of arc, and S indicates seconds of arc (1 minute = 1/60th of a degree, 1 second = 1/3600th of a degree).

Constant Value: 2 (0x00000002)

Fields

CREATOR

public static final Creator<Location> CREATOR

Public constructors

Location

public Location (String provider)

Construct a new Location with a named provider.

By default time, latitude and longitude are 0, and the location has no bearing, altitude, speed, accuracy or extras.

Parameters
`provider`	`String`: the source that provides the location. It can be of type `LocationManager#GPS_PROVIDER`, `LocationManager#NETWORK_PROVIDER`, or `LocationManager#PASSIVE_PROVIDER`. You can also define your own provider string, in which case an empty string is a valid provider.

Location

public Location (Location l)

Construct a new Location object that is copied from an existing one.

Parameters
`l`	`Location`

Public methods

bearingTo

public float bearingTo (Location dest)

Returns the approximate initial bearing in degrees East of true North when traveling along the shortest path between this location and the given location. The shortest path is defined using the WGS84 ellipsoid. Locations that are (nearly) antipodal may produce meaningless results.

Parameters
`dest`	`Location`: the destination location

Returns
`float`	the initial bearing in degrees

convert

public static String convert (double coordinate, 
                int outputType)

Converts a coordinate to a String representation. The outputType may be one of FORMAT_DEGREES, FORMAT_MINUTES, or FORMAT_SECONDS. The coordinate must be a valid double between -180.0 and 180.0. This conversion is performed in a method that is dependent on the default locale, and so is not guaranteed to round-trip with convert(java.lang.String).

Parameters
`coordinate`	`double`
`outputType`	`int`

Returns
`String`

Throws
`IllegalArgumentException`	if coordinate is less than -180.0, greater than 180.0, or is not a number.
`IllegalArgumentException`	if outputType is not one of FORMAT_DEGREES, FORMAT_MINUTES, or FORMAT_SECONDS.

convert

public static double convert (String coordinate)

Converts a String in one of the formats described by FORMAT_DEGREES, FORMAT_MINUTES, or FORMAT_SECONDS into a double. This conversion is performed in a locale agnostic method, and so is not guaranteed to round-trip with convert(double, int).

Parameters
`coordinate`	`String`

Returns
`double`

Throws
`NullPointerException`	if coordinate is null
`IllegalArgumentException`	if the coordinate is not in one of the valid formats.

describeContents

public int describeContents ()

Describe the kinds of special objects contained in this Parcelable instance's marshaled representation. For example, if the object will include a file descriptor in the output of writeToParcel(android.os.Parcel, int), the return value of this method must include the CONTENTS_FILE_DESCRIPTOR bit.

Returns
`int`	a bitmask indicating the set of special object types marshaled by this Parcelable object instance. Value is either `0` or `CONTENTS_FILE_DESCRIPTOR`

distanceBetween

public static void distanceBetween (double startLatitude, 
                double startLongitude, 
                double endLatitude, 
                double endLongitude, 
                float[] results)

Computes the approximate distance in meters between two locations, and optionally the initial and final bearings of the shortest path between them. Distance and bearing are defined using the WGS84 ellipsoid.

The computed distance is stored in results[0]. If results has length 2 or greater, the initial bearing is stored in results[1]. If results has length 3 or greater, the final bearing is stored in results[2].

Parameters
`startLatitude`	`double`: the starting latitude
`startLongitude`	`double`: the starting longitude
`endLatitude`	`double`: the ending latitude
`endLongitude`	`double`: the ending longitude
`results`	`float`: an array of floats to hold the results

Throws
`IllegalArgumentException`	if results is null or has length < 1

distanceTo

public float distanceTo (Location dest)

Returns the approximate distance in meters between this location and the given location. Distance is defined using the WGS84 ellipsoid.

Parameters
`dest`	`Location`: the destination location

Returns
`float`	the approximate distance in meters

dump

public void dump (Printer pw, 
                String prefix)

Parameters
`pw`	`Printer`
`prefix`	`String`

getAccuracy

public float getAccuracy ()

Get the estimated horizontal accuracy of this location, radial, in meters.

We define horizontal accuracy as the radius of 68% confidence. In other words, if you draw a circle centered at this location's latitude and longitude, and with a radius equal to the accuracy, then there is a 68% probability that the true location is inside the circle.

This accuracy estimation is only concerned with horizontal accuracy, and does not indicate the accuracy of bearing, velocity or altitude if those are included in this Location.

If this location does not have a horizontal accuracy, then 0.0 is returned. All locations generated by the LocationManager include horizontal accuracy.

Returns
`float`

getAltitude

public double getAltitude ()

Get the altitude if available, in meters above the WGS 84 reference ellipsoid.

If this location does not have an altitude then 0.0 is returned.

Returns
`double`

getBearing

public float getBearing ()

Get the bearing, in degrees.

Bearing is the horizontal direction of travel of this device, and is not related to the device orientation. It is guaranteed to be in the range (0.0, 360.0] if the device has a bearing.

If this location does not have a bearing then 0.0 is returned.

Returns
`float`

getBearingAccuracyDegrees

public float getBearingAccuracyDegrees ()

Get the estimated bearing accuracy of this location, in degrees.

We define bearing accuracy at 68% confidence. Specifically, as 1-side of the 2-sided range on each side of the estimated bearing reported by getBearing(), within which there is a 68% probability of finding the true bearing.

In the case where the underlying distribution is assumed Gaussian normal, this would be considered 1 standard deviation.

For example, if getBearing() returns 60, and getBearingAccuracyDegrees() returns 10, then there is a 68% probability of the true bearing being between 50 and 70 degrees.

If this location does not have a bearing accuracy, then 0.0 is returned.

Returns
`float`

getElapsedRealtimeNanos

public long getElapsedRealtimeNanos ()

Return the time of this fix, in elapsed real-time since system boot.

This value can be reliably compared to SystemClock.elapsedRealtimeNanos(), to calculate the age of a fix and to compare Location fixes. This is reliable because elapsed real-time is guaranteed monotonic for each system boot and continues to increment even when the system is in deep sleep (unlike getTime().

All locations generated by the LocationManager are guaranteed to have a valid elapsed real-time.

Returns
`long`	elapsed real-time of fix, in nanoseconds since system boot.

getElapsedRealtimeUncertaintyNanos

public double getElapsedRealtimeUncertaintyNanos ()

Get estimate of the relative precision of the alignment of the ElapsedRealtimeNanos timestamp, with the reported measurements in nanoseconds (68% confidence). This means that we have 68% confidence that the true timestamp of the event is within ElapsedReatimeNanos +/- uncertainty. Example : - getElapsedRealtimeNanos() returns 10000000 - getElapsedRealtimeUncertaintyNanos() returns 1000000 (equivalent to 1millisecond) This means that the event most likely happened between 9000000 and 11000000.

Returns
`double`	uncertainty of elapsed real-time of fix, in nanoseconds.

getExtras

public Bundle getExtras ()

Returns additional provider-specific information about the location fix as a Bundle. The keys and values are determined by the provider. If no additional information is available, null is returned.

A number of common key/value pairs are listed below. Providers that use any of the keys on this list must provide the corresponding value as described below.

satellites - the number of satellites used to derive the fix

Returns
`Bundle`

getLatitude

public double getLatitude ()

Get the latitude, in degrees.

All locations generated by the LocationManager will have a valid latitude.

Returns
`double`

getLongitude

public double getLongitude ()

Get the longitude, in degrees.

All locations generated by the LocationManager will have a valid longitude.

Returns
`double`

getProvider

public String getProvider ()

Returns the name of the provider that generated this fix.

Returns
`String`	the provider, or null if it has not been set

getSpeed

public float getSpeed ()

Get the speed if it is available, in meters/second over ground.

If this location does not have a speed then 0.0 is returned.

Returns
`float`

getSpeedAccuracyMetersPerSecond

public float getSpeedAccuracyMetersPerSecond ()

Get the estimated speed accuracy of this location, in meters per second.

We define speed accuracy at 68% confidence. Specifically, as 1-side of the 2-sided range above and below the estimated speed reported by getSpeed(), within which there is a 68% probability of finding the true speed.

In the case where the underlying distribution is assumed Gaussian normal, this would be considered 1 standard deviation.

For example, if getSpeed() returns 5, and getSpeedAccuracyMetersPerSecond() returns 1, then there is a 68% probability of the true speed being between 4 and 6 meters per second.

Note that the speed and speed accuracy is often better than would be obtained simply from differencing sequential positions, such as when the Doppler measurements from GNSS satellites are used.

If this location does not have a speed accuracy, then 0.0 is returned.

Returns
`float`

getTime

public long getTime ()

Return the UTC time of this fix, in milliseconds since January 1, 1970.

Note that the UTC time on a device is not monotonic: it can jump forwards or backwards unpredictably. So always use getElapsedRealtimeNanos() when calculating time deltas.

On the other hand, getTime() is useful for presenting a human readable time to the user, or for carefully comparing location fixes across reboot or across devices.

All locations generated by the LocationManager are guaranteed to have a valid UTC time, however remember that the system time may have changed since the location was generated.

Returns
`long`	time of fix, in milliseconds since January 1, 1970.

getVerticalAccuracyMeters

public float getVerticalAccuracyMeters ()

Get the estimated vertical accuracy of this location, in meters.

We define vertical accuracy at 68% confidence. Specifically, as 1-side of the 2-sided range above and below the estimated altitude reported by getAltitude(), within which there is a 68% probability of finding the true altitude.

In the case where the underlying distribution is assumed Gaussian normal, this would be considered 1 standard deviation.

For example, if getAltitude() returns 150, and getVerticalAccuracyMeters() returns 20 then there is a 68% probability of the true altitude being between 130 and 170 meters.

If this location does not have a vertical accuracy, then 0.0 is returned.

Returns
`float`

hasAccuracy

public boolean hasAccuracy ()

True if this location has a horizontal accuracy.

All locations generated by the LocationManager have an horizontal accuracy.

Returns
`boolean`

hasAltitude

public boolean hasAltitude ()

True if this location has an altitude.

Returns
`boolean`

hasBearing

public boolean hasBearing ()

True if this location has a bearing.

Returns
`boolean`

hasBearingAccuracy

public boolean hasBearingAccuracy ()

True if this location has a bearing accuracy.

Returns
`boolean`

hasElapsedRealtimeUncertaintyNanos

public boolean hasElapsedRealtimeUncertaintyNanos ()

True if this location has a elapsed realtime accuracy.

Returns
`boolean`

hasSpeed

public boolean hasSpeed ()

True if this location has a speed.

Returns
`boolean`

hasSpeedAccuracy

public boolean hasSpeedAccuracy ()

True if this location has a speed accuracy.

Returns
`boolean`

hasVerticalAccuracy

public boolean hasVerticalAccuracy ()

True if this location has a vertical accuracy.

Returns
`boolean`

isFromMockProvider

public boolean isFromMockProvider ()

Returns true if the Location came from a mock provider.

Returns
`boolean`	true if this Location came from a mock provider, false otherwise

removeAccuracy

public void removeAccuracy ()

This method is deprecated.
use a new Location object for location updates.

Remove the horizontal accuracy from this location.

Following this call hasAccuracy() will return false, and getAccuracy() will return 0.0.

removeAltitude

public void removeAltitude ()

This method is deprecated.
use a new Location object for location updates.

Remove the altitude from this location.

Following this call hasAltitude() will return false, and getAltitude() will return 0.0.

removeBearing

public void removeBearing ()

This method is deprecated.
use a new Location object for location updates.

Remove the bearing from this location.

Following this call hasBearing() will return false, and getBearing() will return 0.0.

removeSpeed

public void removeSpeed ()

This method is deprecated.
use a new Location object for location updates.

Remove the speed from this location.

Following this call hasSpeed() will return false, and getSpeed() will return 0.0.

reset

public void reset ()

Clears the contents of the location.

set

public void set (Location l)

Sets the contents of the location to the values from the given location.

Parameters
`l`	`Location`

setAccuracy

public void setAccuracy (float horizontalAccuracy)

Set the estimated horizontal accuracy of this location, meters.

See getAccuracy() for the definition of horizontal accuracy.

Following this call hasAccuracy() will return true.

Parameters
`horizontalAccuracy`	`float`

setAltitude

public void setAltitude (double altitude)

Set the altitude, in meters above the WGS 84 reference ellipsoid.

Following this call hasAltitude() will return true.

Parameters
`altitude`	`double`

setBearing

public void setBearing (float bearing)

Set the bearing, in degrees.

Bearing is the horizontal direction of travel of this device, and is not related to the device orientation.

The input will be wrapped into the range (0.0, 360.0].

Parameters
`bearing`	`float`

setBearingAccuracyDegrees

public void setBearingAccuracyDegrees (float bearingAccuracyDegrees)

Set the estimated bearing accuracy of this location, degrees.

See getBearingAccuracyDegrees() for the definition of bearing accuracy.

Following this call hasBearingAccuracy() will return true.

Parameters
`bearingAccuracyDegrees`	`float`

setElapsedRealtimeNanos

public void setElapsedRealtimeNanos (long time)

Set the time of this fix, in elapsed real-time since system boot.

Parameters
`time`	`long`: elapsed real-time of fix, in nanoseconds since system boot.

setElapsedRealtimeUncertaintyNanos

public void setElapsedRealtimeUncertaintyNanos (double time)

Set estimate of the relative precision of the alignment of the ElapsedRealtimeNanos timestamp, with the reported measurements in nanoseconds (68% confidence).

Parameters
`time`	`double`: uncertainty of the elapsed real-time of fix, in nanoseconds.

setExtras

public void setExtras (Bundle extras)

Sets the extra information associated with this fix to the given Bundle.

Note this stores a copy of the given extras, so any changes to extras after calling this method won't be reflected in the location bundle.

Parameters
`extras`	`Bundle`

setLatitude

public void setLatitude (double latitude)

Set the latitude, in degrees.

Parameters
`latitude`	`double`

setLongitude

public void setLongitude (double longitude)

Set the longitude, in degrees.

Parameters
`longitude`	`double`

setProvider

public void setProvider (String provider)

Sets the name of the provider that generated this fix.

Parameters
`provider`	`String`

setSpeed

public void setSpeed (float speed)

Set the speed, in meters/second over ground.

Following this call hasSpeed() will return true.

Parameters
`speed`	`float`

setSpeedAccuracyMetersPerSecond

public void setSpeedAccuracyMetersPerSecond (float speedAccuracyMeterPerSecond)

Set the estimated speed accuracy of this location, meters per second.

See getSpeedAccuracyMetersPerSecond() for the definition of speed accuracy.

Following this call hasSpeedAccuracy() will return true.

Parameters
`speedAccuracyMeterPerSecond`	`float`

setTime

public void setTime (long time)

Set the UTC time of this fix, in milliseconds since January 1, 1970.

Parameters
`time`	`long`: UTC time of this fix, in milliseconds since January 1, 1970

setVerticalAccuracyMeters

public void setVerticalAccuracyMeters (float verticalAccuracyMeters)

Set the estimated vertical accuracy of this location, meters.

See getVerticalAccuracyMeters() for the definition of vertical accuracy.

Following this call hasVerticalAccuracy() will return true.

Parameters
`verticalAccuracyMeters`	`float`

toString

public String toString ()

Returns a string representation of the object. In general, the toString method returns a string that "textually represents" this object. The result should be a concise but informative representation that is easy for a person to read. It is recommended that all subclasses override this method.

The toString method for class Object returns a string consisting of the name of the class of which the object is an instance, the at-sign character `@', and the unsigned hexadecimal representation of the hash code of the object. In other words, this method returns a string equal to the value of:

 getClass().getName() + '@' + Integer.toHexString(hashCode())

Returns
`String`	a string representation of the object.

writeToParcel

public void writeToParcel (Parcel parcel, 
                int flags)

Flatten this object in to a Parcel.

Parameters
`parcel`	`Parcel`: The Parcel in which the object should be written.
`flags`	`int`: Additional flags about how the object should be written. May be 0 or `Parcelable.PARCELABLE_WRITE_RETURN_VALUE`. Value is either `0` or a combination of `Parcelable.PARCELABLE_WRITE_RETURN_VALUE`, and android.os.Parcelable.PARCELABLE_ELIDE_DUPLICATES