Added in API level 31

SignalStrengthsListener


interface SignalStrengthsListener
android.telephony.TelephonyCallback.SignalStrengthsListener

Interface for network signal strengths listener.

Summary

Public methods
abstract Unit

Callback invoked when network signal strengths changes on the registered subscription.

Public methods

onSignalStrengthsChanged

Added in API level 31
abstract fun onSignalStrengthsChanged(signalStrength: SignalStrength): Unit

Callback invoked when network signal strengths changes on the registered subscription. Note, the registration subscription ID comes from TelephonyManager object which registers TelephonyCallback 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().

Parameters
signalStrength SignalStrength: This value cannot be null.