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Summary: Constants | Inherited Constants | Fields | Methods | Inherited Methods

Characteristics

public final class Characteristics
extends Object implements Parcelable

java.lang.Object
↳	android.net.wifi.aware.Characteristics

The characteristics of the Wi-Fi Aware implementation.

Summary

Constants
`int`	`WIFI_AWARE_CIPHER_SUITE_NCS_SK_128` Wi-Fi Aware supported ciphier suite representing NCS SK 128: 128 bit shared-key.
`int`	`WIFI_AWARE_CIPHER_SUITE_NCS_SK_256` Wi-Fi Aware supported ciphier suite representing NCS SK 256: 256 bit shared-key.

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<Characteristics>`	`CREATOR`

Public methods
`int`	`describeContents()` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.
`int`	`getMaxMatchFilterLength()` Returns the maximum length of byte array that can be used to specify a Aware match filter.
`int`	`getMaxServiceNameLength()` Returns the maximum string length that can be used to specify a Aware service name.
`int`	`getMaxServiceSpecificInfoLength()` Returns the maximum length of byte array that can be used to specify a Aware service specific information field: the arbitrary load used in discovery or the message length of Aware message exchange.
`int`	`getSupportedCipherSuites()` Returns the set of cipher suites supported by the device for use in Wi-Fi Aware data-paths.
`boolean`	`isInstantCommunicationModeSupported()` Check if instant communication mode is supported by device.
`void`	`writeToParcel(Parcel dest, 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

WIFI_AWARE_CIPHER_SUITE_NCS_SK_128

public static final int WIFI_AWARE_CIPHER_SUITE_NCS_SK_128

Wi-Fi Aware supported ciphier suite representing NCS SK 128: 128 bit shared-key.

Constant Value: 1 (0x00000001)

WIFI_AWARE_CIPHER_SUITE_NCS_SK_256

public static final int WIFI_AWARE_CIPHER_SUITE_NCS_SK_256

Wi-Fi Aware supported ciphier suite representing NCS SK 256: 256 bit shared-key.

Constant Value: 2 (0x00000002)

Fields

CREATOR

public static final Creator<Characteristics> CREATOR

Public methods

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`

getMaxMatchFilterLength

public int getMaxMatchFilterLength ()

Returns the maximum length of byte array that can be used to specify a Aware match filter. Restricts the parameters of the PublishConfig.Builder#setMatchFilter(java.util.List) and SubscribeConfig.Builder#setMatchFilter(java.util.List).

Returns
`int`	A positive integer, maximum length of byte array for Aware discovery match filter.

getMaxServiceNameLength

public int getMaxServiceNameLength ()

Returns the maximum string length that can be used to specify a Aware service name. Restricts the parameters of the PublishConfig.Builder#setServiceName(String) and SubscribeConfig.Builder#setServiceName(String).

Returns
`int`	A positive integer, maximum string length of Aware service name.

getMaxServiceSpecificInfoLength

public int getMaxServiceSpecificInfoLength ()

Returns the maximum length of byte array that can be used to specify a Aware service specific information field: the arbitrary load used in discovery or the message length of Aware message exchange. Restricts the parameters of the PublishConfig.Builder#setServiceSpecificInfo(byte[]), SubscribeConfig.Builder#setServiceSpecificInfo(byte[]), and DiscoverySession#sendMessage(PeerHandle, int, byte[]) variants.

Returns
`int`	A positive integer, maximum length of byte array for Aware messaging.

getSupportedCipherSuites

public int getSupportedCipherSuites ()

Returns the set of cipher suites supported by the device for use in Wi-Fi Aware data-paths. The device automatically picks the strongest cipher suite when initiating a data-path setup.

Returns
`int`	A set of flags from `WIFI_AWARE_CIPHER_SUITE_NCS_SK_128`, or `WIFI_AWARE_CIPHER_SUITE_NCS_SK_256`. Value is either `0` or a combination of `WIFI_AWARE_CIPHER_SUITE_NCS_SK_128`, and `WIFI_AWARE_CIPHER_SUITE_NCS_SK_256`

isInstantCommunicationModeSupported

public boolean isInstantCommunicationModeSupported ()

Check if instant communication mode is supported by device. The instant communication mode is defined as per Wi-Fi Alliance (WFA) Wi-Fi Aware specifications version 3.1 Section 12.3.

Returns
`boolean`	True if supported, false otherwise.

writeToParcel

public void writeToParcel (Parcel dest, 
                int flags)

Flatten this object in to a Parcel.

Parameters
`dest`	`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