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Added in API level 23

CallAudioState

public final class CallAudioState
extends Object implements Parcelable

java.lang.Object
   ↳ android.telecom.CallAudioState


Encapsulates the telecom audio state, including the current audio routing, supported audio routing and mute.

Summary

Constants

int ROUTE_BLUETOOTH

Direct the audio stream through Bluetooth.

int ROUTE_EARPIECE

Direct the audio stream through the device's earpiece.

int ROUTE_SPEAKER

Direct the audio stream through the device's speakerphone.

int ROUTE_WIRED_HEADSET

Direct the audio stream through a wired headset.

int ROUTE_WIRED_OR_EARPIECE

Direct the audio stream through the device's earpiece or wired headset if one is connected.

Inherited constants

From interface android.os.Parcelable

Fields

public static final Creator<CallAudioState> CREATOR

Responsible for creating AudioState objects for deserialized Parcels.

Public constructors

CallAudioState(boolean muted, int route, int supportedRouteMask)

Constructor for a CallAudioState object.

Public methods

static String audioRouteToString(int route)

Converts the provided audio route into a human readable string representation.

int describeContents()

Describe the kinds of special objects contained in this Parcelable instance's marshaled representation.

boolean equals(Object obj)

Indicates whether some other object is "equal to" this one.

int getRoute()
int getSupportedRouteMask()
boolean isMuted()
String toString()

Returns a string representation of the object.

void writeToParcel(Parcel destination, int flags)

Writes AudioState object into a serializeable Parcel.

Inherited methods

From class java.lang.Object
From interface android.os.Parcelable

Constants

ROUTE_BLUETOOTH

Added in API level 23
int ROUTE_BLUETOOTH

Direct the audio stream through Bluetooth.

Constant Value: 2 (0x00000002)

ROUTE_EARPIECE

Added in API level 23
int ROUTE_EARPIECE

Direct the audio stream through the device's earpiece.

Constant Value: 1 (0x00000001)

ROUTE_SPEAKER

Added in API level 23
int ROUTE_SPEAKER

Direct the audio stream through the device's speakerphone.

Constant Value: 8 (0x00000008)

ROUTE_WIRED_HEADSET

Added in API level 23
int ROUTE_WIRED_HEADSET

Direct the audio stream through a wired headset.

Constant Value: 4 (0x00000004)

ROUTE_WIRED_OR_EARPIECE

Added in API level 23
int ROUTE_WIRED_OR_EARPIECE

Direct the audio stream through the device's earpiece or wired headset if one is connected.

Constant Value: 5 (0x00000005)

Fields

CREATOR

Added in API level 23
Creator<CallAudioState> CREATOR

Responsible for creating AudioState objects for deserialized Parcels.

Public constructors

CallAudioState

Added in API level 23
CallAudioState (boolean muted, 
                int route, 
                int supportedRouteMask)

Constructor for a CallAudioState object.

Parameters
muted boolean: true if the call is muted, false otherwise.
route int: The current audio route being used. Allowed values: ROUTE_EARPIECE ROUTE_BLUETOOTH ROUTE_WIRED_HEADSET ROUTE_SPEAKER
supportedRouteMask int: Bit mask of all routes supported by this call. This should be a bitwise combination of the following values: ROUTE_EARPIECE ROUTE_BLUETOOTH ROUTE_WIRED_HEADSET ROUTE_SPEAKER

Public methods

audioRouteToString

Added in API level 23
String audioRouteToString (int route)

Converts the provided audio route into a human readable string representation.

Parameters
route int: to convert into a string.
Returns
String String representation of the provided audio route.

describeContents

Added in API level 23
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(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.

equals

Added in API level 23
boolean equals (Object obj)

Indicates whether some other object is "equal to" this one.

The equals method implements an equivalence relation on non-null object references:

  • It is reflexive: for any non-null reference value x, x.equals(x) should return true.
  • It is symmetric: for any non-null reference values x and y, x.equals(y) should return true if and only if y.equals(x) returns true.
  • It is transitive: for any non-null reference values x, y, and z, if x.equals(y) returns true and y.equals(z) returns true, then x.equals(z) should return true.
  • It is consistent: for any non-null reference values x and y, multiple invocations of x.equals(y) consistently return true or consistently return false, provided no information used in equals comparisons on the objects is modified.
  • For any non-null reference value x, x.equals(null) should return false.

The equals method for class Object implements the most discriminating possible equivalence relation on objects; that is, for any non-null reference values x and y, this method returns true if and only if x and y refer to the same object (x == y has the value true).

Note that it is generally necessary to override the hashCode method whenever this method is overridden, so as to maintain the general contract for the hashCode method, which states that equal objects must have equal hash codes.

Parameters
obj Object: the reference object with which to compare.
Returns
boolean true if this object is the same as the obj argument; false otherwise.

getRoute

Added in API level 23
int getRoute ()

Returns
int The current audio route being used.

getSupportedRouteMask

Added in API level 23
int getSupportedRouteMask ()

Returns
int Bit mask of all routes supported by this call.

isMuted

Added in API level 23
boolean isMuted ()

Returns
boolean true if the call is muted, false otherwise.

toString

Added in API level 23
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

Added in API level 23
void writeToParcel (Parcel destination, 
                int flags)

Writes AudioState object into a serializeable Parcel.

Parameters
destination 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_WRITE_RETURN_VALUE.

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