Added in [API level 31](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) Summary: [Ctors](https://developer.android.com/reference/android/net/wifi/WifiManager.SubsystemRestartTrackingCallback#pubctors) \| [Methods](https://developer.android.com/reference/android/net/wifi/WifiManager.SubsystemRestartTrackingCallback#pubmethods) \| [Inherited Methods](https://developer.android.com/reference/android/net/wifi/WifiManager.SubsystemRestartTrackingCallback#inhmethods)

# WifiManager.SubsystemRestartTrackingCallback

*** ** * ** ***

` public static abstract class WifiManager.SubsystemRestartTrackingCallback `   
` extends https://developer.android.com/reference/java/lang/Object ` ` `

|---|---|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object) ||
| ↳ | android.net.wifi.WifiManager.SubsystemRestartTrackingCallback |

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*** ** * ** ***

Abstract callback class for applications to receive updates about the Wi-Fi subsystem restarting. The Wi-Fi subsystem can restart due to internal recovery mechanisms or via user action.

## Summary

| ### Public constructors ||
|---|---|
| ` https://developer.android.com/reference/android/net/wifi/WifiManager.SubsystemRestartTrackingCallback#SubsystemRestartTrackingCallback()() ` |

| ### Public methods ||
|---|---|
| ` abstract void` | ` https://developer.android.com/reference/android/net/wifi/WifiManager.SubsystemRestartTrackingCallback#onSubsystemRestarted()() ` Indicates that the Wi-Fi subsystem has restarted. |
| ` abstract void` | ` https://developer.android.com/reference/android/net/wifi/WifiManager.SubsystemRestartTrackingCallback#onSubsystemRestarting()() ` Indicates that the Wi-Fi subsystem is about to restart. |

### Inherited methods

From class ` https://developer.android.com/reference/java/lang/Object ` ` https://developer.android.com/reference/java/lang/Object` ` https://developer.android.com/reference/java/lang/Object#clone()() `

Creates and returns a copy of this object.
` boolean` ` https://developer.android.com/reference/java/lang/Object#equals(java.lang.Object)(https://developer.android.com/reference/java/lang/Object obj) `

Indicates whether some other object is "equal to" this one.
` void` ` https://developer.android.com/reference/java/lang/Object#finalize()() `

Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
` final https://developer.android.com/reference/java/lang/Class<?>` ` https://developer.android.com/reference/java/lang/Object#getClass()() `

Returns the runtime class of this `Object`.
` int` ` https://developer.android.com/reference/java/lang/Object#hashCode()() `

Returns a hash code value for the object.
` final void` ` https://developer.android.com/reference/java/lang/Object#notify()() `

Wakes up a single thread that is waiting on this object's monitor.
` final void` ` https://developer.android.com/reference/java/lang/Object#notifyAll()() `

Wakes up all threads that are waiting on this object's monitor.
` https://developer.android.com/reference/java/lang/String` ` https://developer.android.com/reference/java/lang/Object#toString()() `

Returns a string representation of the object.
` final void` ` https://developer.android.com/reference/java/lang/Object#wait(long,%20int)(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` ` https://developer.android.com/reference/java/lang/Object#wait(long)(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` ` https://developer.android.com/reference/java/lang/Object#wait()() `

Causes the current thread to wait until it is awakened, typically by being *notified* or *interrupted*.

## Public constructors

### SubsystemRestartTrackingCallback

Added in [API level 31](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public SubsystemRestartTrackingCallback ()
```

<br />

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## Public methods

### onSubsystemRestarted

Added in [API level 31](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public abstract void onSubsystemRestarted ()
```

Indicates that the Wi-Fi subsystem has restarted.

<br />

### onSubsystemRestarting

Added in [API level 31](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public abstract void onSubsystemRestarting ()
```

Indicates that the Wi-Fi subsystem is about to restart.

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