Added in API level 31

TelephonyCallback.MessageWaitingIndicatorListener


public static interface TelephonyCallback.MessageWaitingIndicatorListener

android.telephony.TelephonyCallback.MessageWaitingIndicatorListener


Interface for message waiting indicator listener.

Summary

Public methods

abstract void onMessageWaitingIndicatorChanged(boolean mwi)

Callback invoked when the message-waiting indicator changes on the registered subscription.

Public methods

onMessageWaitingIndicatorChanged

Added in API level 31
public abstract void onMessageWaitingIndicatorChanged (boolean mwi)

Callback invoked when the message-waiting indicator changes on the registered subscription. Note, the registration subscription ID comes from TelephonyManager object by TelephonyManager.registerTelephonyCallback(Executor, TelephonyCallback). If this TelephonyManager object was created with TelephonyManager.createForSubscriptionId(int), then the callback applies to the subscription ID. Otherwise, this callback applies to SubscriptionManager.getDefaultSubscriptionId(). The calling app should have carrier privileges (see TelephonyManager.hasCarrierPrivileges) if it does not have the Manifest.permission.READ_PHONE_STATE.
Requires Manifest.permission.READ_PHONE_STATE

Parameters
mwi boolean