RegistrationManager

public interface RegistrationManager

android.telephony.ims.RegistrationManager

Manages IMS Service registration state for associated ImsFeatures.
Requires the PackageManager#FEATURE_TELEPHONY_IMS feature which can be detected using PackageManager.hasSystemFeature(String).

Summary

Nested classes

class RegistrationManager.RegistrationCallback

Callback class for receiving IMS network Registration callback events. 

Constants

int REGISTRATION_STATE_NOT_REGISTERED

The IMS service is currently not registered to the carrier network.

int REGISTRATION_STATE_REGISTERED

The IMS service is currently registered to the carrier network.

int REGISTRATION_STATE_REGISTERING

The IMS service is currently in the process of registering to the carrier network.

Public methods

abstract void getRegistrationState(Executor executor, Consumer<Integer> stateCallback)

Gets the registration state of the IMS service.

abstract void getRegistrationTransportType(Executor executor, Consumer<Integer> transportTypeCallback)

Gets the Transport Type associated with the current IMS registration.

abstract void registerImsRegistrationCallback(Executor executor, RegistrationManager.RegistrationCallback c)

Registers a RegistrationCallback with the system.

abstract void unregisterImsRegistrationCallback(RegistrationManager.RegistrationCallback c)

Removes an existing RegistrationCallback.

Constants

REGISTRATION_STATE_NOT_REGISTERED

Added in API level 30 
public static final int REGISTRATION_STATE_NOT_REGISTERED

The IMS service is currently not registered to the carrier network.

Constant Value: 0 (0x00000000)

REGISTRATION_STATE_REGISTERED

Added in API level 30 
public static final int REGISTRATION_STATE_REGISTERED

The IMS service is currently registered to the carrier network.

Constant Value: 2 (0x00000002)

REGISTRATION_STATE_REGISTERING

Added in API level 30 
public static final int REGISTRATION_STATE_REGISTERING

The IMS service is currently in the process of registering to the carrier network.

Constant Value: 1 (0x00000001)

Public methods

getRegistrationState

Added in API level 30 
public abstract void getRegistrationState (Executor executor, 
                Consumer<Integer> stateCallback)

Gets the registration state of the IMS service.
Requires android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE

Parameters
executor Executor: The Executor that will be used to call the IMS registration state callback. This value cannot be null. Callback and listener events are dispatched through this Executor, providing an easy way to control which thread is used. To dispatch events through the main thread of your application, you can use Context.getMainExecutor(). Otherwise, provide an Executor that dispatches to an appropriate thread.
stateCallback Consumer: A callback called on the supplied Executor that will contain the registration state of the IMS service, which will be one of the following: REGISTRATION_STATE_NOT_REGISTERED, REGISTRATION_STATE_REGISTERING, or REGISTRATION_STATE_REGISTERED. This value cannot be null. Value is REGISTRATION_STATE_NOT_REGISTERED, REGISTRATION_STATE_REGISTERING, or REGISTRATION_STATE_REGISTERED

getRegistrationTransportType

Added in API level 30 
public abstract void getRegistrationTransportType (Executor executor, 
                Consumer<Integer> transportTypeCallback)

Gets the Transport Type associated with the current IMS registration.
Requires android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE

Parameters
executor Executor: The Executor that will be used to call the transportTypeCallback. This value cannot be null. Callback and listener events are dispatched through this Executor, providing an easy way to control which thread is used. To dispatch events through the main thread of your application, you can use Context.getMainExecutor(). Otherwise, provide an Executor that dispatches to an appropriate thread.
transportTypeCallback Consumer: The transport type associated with the current IMS registration, which will be one of following: , , or . This value cannot be null. Value is android.telephony.AccessNetworkConstants.TRANSPORT_TYPE_INVALID, AccessNetworkConstants.TRANSPORT_TYPE_WWAN, or AccessNetworkConstants.TRANSPORT_TYPE_WLAN

registerImsRegistrationCallback

Added in API level 30 
public abstract void registerImsRegistrationCallback (Executor executor, 
                RegistrationManager.RegistrationCallback c)

Registers a RegistrationCallback with the system. Use
Requires android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE

Parameters
executor Executor: The Executor that will be used to call the IMS registration state callback. This value cannot be null. Callback and listener events are dispatched through this Executor, providing an easy way to control which thread is used. To dispatch events through the main thread of your application, you can use Context.getMainExecutor(). Otherwise, provide an Executor that dispatches to an appropriate thread.
c RegistrationManager.RegistrationCallback: A callback called on the supplied Executor that will contain the registration state of the IMS service, which will be one of the to listen to Subscription changed events and call unregisterImsRegistrationCallback(android.telephony.ims.RegistrationManager.RegistrationCallback) to clean up. When the callback is registered, it will initiate the callback c to be called with the current registration state. This value cannot be null.
Throws
ImsException if the subscription associated with this callback is valid, but the ImsService associated with the subscription is not available. This can happen if the service crashed, for example. See ImsException.getCode() for a more detailed reason.

unregisterImsRegistrationCallback

Added in API level 30 
public abstract void unregisterImsRegistrationCallback (RegistrationManager.RegistrationCallback c)

Removes an existing RegistrationCallback. When the subscription associated with this callback is removed (SIM removed, ESIM swap, etc...), this callback will automatically be removed. If this method is called for an inactive subscription, it will result in a no-op.
Requires android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE

Parameters
c RegistrationManager.RegistrationCallback: The RegistrationCallback to be removed. This value cannot be null.