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TelephonyCallback.SignalStrengthsListener
public
static
interface
TelephonyCallback.SignalStrengthsListener
| android.telephony.TelephonyCallback.SignalStrengthsListener
|
Interface for network signal strengths listener.
Summary
Public methods
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Last updated 2025-02-10 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-02-10 UTC."],[],[],null,["# TelephonyCallback.SignalStrengthsListener\n\nAdded in [API level 31](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\nTelephonyCallback.SignalStrengthsListener\n=========================================\n\n*** ** * ** ***\n\n[Kotlin](/reference/kotlin/android/telephony/TelephonyCallback.SignalStrengthsListener \"View this page in Kotlin\") \\|Java\n\n\n`\npublic\nstatic\n\n\ninterface\nTelephonyCallback.SignalStrengthsListener\n`\n\n\n`\n\n\n`\n\n|-------------------------------------------------------------|\n| android.telephony.TelephonyCallback.SignalStrengthsListener |\n\n\u003cbr /\u003e\n\n*** ** * ** ***\n\nInterface for network signal strengths listener.\n\nSummary\n-------\n\n| ### Public methods ||\n|------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| ` abstract void` | ` `[onSignalStrengthsChanged](/reference/android/telephony/TelephonyCallback.SignalStrengthsListener#onSignalStrengthsChanged(android.telephony.SignalStrength))`(`[SignalStrength](/reference/android/telephony/SignalStrength)` signalStrength) ` Callback invoked when network signal strengths changes on the registered subscription. |\n\nPublic methods\n--------------\n\n### onSignalStrengthsChanged\n\nAdded in [API level 31](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\n```\npublic abstract void onSignalStrengthsChanged (SignalStrength signalStrength)\n```\n\nCallback invoked when network signal strengths changes on the registered subscription.\nNote, the registration subscription ID comes from [TelephonyManager](/reference/android/telephony/TelephonyManager) object\nwhich registers TelephonyCallback by\n[TelephonyManager.registerTelephonyCallback(Executor, TelephonyCallback)](/reference/android/telephony/TelephonyManager#registerTelephonyCallback(java.util.concurrent.Executor,%20android.telephony.TelephonyCallback)).\nIf this TelephonyManager object was created with\n[TelephonyManager.createForSubscriptionId(int)](/reference/android/telephony/TelephonyManager#createForSubscriptionId(int)), then the callback applies to the\nsubscription ID. Otherwise, this callback applies to\n[SubscriptionManager.getDefaultSubscriptionId()](/reference/android/telephony/SubscriptionManager#getDefaultSubscriptionId()).\n\n\u003cbr /\u003e\n\n| Parameters ||\n|------------------|-------------------------------------------------------|\n| `signalStrength` | `SignalStrength`: This value cannot be `null`. \u003cbr /\u003e |"]]
