[ Web Proxy ]

Viewing: https://developer.android.com/reference/android/telephony/TelephonyScanManager.NetworkScanCallback

TelephonyScanManager.NetworkScanCallback | API reference | Android Developers Skip to main content

[Android Developers]

Essentials Design & Plan Develop Google Play Blog

English
Deutsch
Espaol Amrica Latina
Franais
Indonesia
Polski
Portugus Brasil
Ting Vit

Android Studio

Stay organized with collections Save and categorize content based on your preferences.

Added in API level 28

Summary: Ctors | Methods | Inherited Methods

TelephonyScanManager.NetworkScanCallback

Kotlin |Java

public static abstract class TelephonyScanManager.NetworkScanCallback
extends Object

java.lang.Object
↳	android.telephony.TelephonyScanManager.NetworkScanCallback

The caller of TelephonyManager.requestNetworkScan(NetworkScanRequest,Executor,NetworkScanCallback) should implement and provide this callback so that the scan results or errors can be returned.

Summary

Public constructors
`NetworkScanCallback()`

Public methods
`void`	`onComplete()` Informs the user that the scan has stopped.
`void`	`onError(int error)` Informs the user that there is some error about the scan.
`void`	`)">onResults(List<CellInfo> results)` Returns the scan results to the user, this callback will be called multiple times.

Inherited methods

From class


        
          java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long timeoutMillis, int nanos)` Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait(long timeoutMillis)` Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
`final void`	`wait()` Causes the current thread to wait until it is awakened, typically by being notified or interrupted.

Public constructors

NetworkScanCallback

public NetworkScanCallback ()

Public methods

onComplete

Added in API level 28

public void onComplete ()

Informs the user that the scan has stopped. This callback will be called when the scan is finished or cancelled by the user. The related NetworkScanRequest will be deleted after this callback.

onError

Added in API level 28

public void onError (int error)

Informs the user that there is some error about the scan. This callback will be called whenever there is any error about the scan, and the scan will be terminated. onComplete() will NOT be called.

Parameters
`error`	`int`: Error code when the scan is failed, as defined in `NetworkScan`. Value is one of the following: `NetworkScan.ERROR_MODEM_ERROR` `NetworkScan.ERROR_INVALID_SCAN` `NetworkScan.ERROR_MODEM_UNAVAILABLE` `NetworkScan.ERROR_UNSUPPORTED` `NetworkScan.ERROR_RADIO_INTERFACE_ERROR` `NetworkScan.ERROR_INVALID_SCANID` `NetworkScan.ERROR_INTERRUPTED`

onResults

Added in API level 28

public void onResults (List<CellInfo> results)

Returns the scan results to the user, this callback will be called multiple times.

Parameters
`results`	`List`

Content and code samples on this page are subject to the licenses described in the Content License. Java and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.

Last updated 2026-08-03 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 2026-08-03 UTC."],[],[]]