Added in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

# PowerManager.WakeLockStateListener

*** ** * ** ***


`
public
static


interface
PowerManager.WakeLockStateListener
`


`


`

|---|
| android.os.PowerManager.WakeLockStateListener |

<br />

*** ** * ** ***

A listener interface to get notified when the wakelock is enabled/disabled.

## Summary

| ### Public methods ||
|---|---|
| ` abstract void` | ` https://developer.android.com/reference/android/os/PowerManager.WakeLockStateListener#onStateChanged(boolean)(boolean enabled) ` Frameworks could disable the wakelock because either device's power allowlist has changed, or the app's wakelock has exceeded its quota, or the app goes into cached state. |

## Public methods

### onStateChanged

Added in [API level 33](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public abstract void onStateChanged (boolean enabled)
```

Frameworks could disable the wakelock because either device's power allowlist has
changed, or the app's wakelock has exceeded its quota, or the app goes into cached
state.


This callback is called whenever the wakelock's state has changed.

<br />

<br />

| Parameters ||
|---|---|
| `enabled` | `boolean`: true is enabled, false is disabled. <br /> |