# Print output for @column tags ?>
Developers

- Design
- Develop
- Distribute

Developer Console

## Most visited

## Recently visited

## Results for

Summary: Nested Classes | Methods | Inherited Methods

# LightsManager

`public abstract class LightsManager`
`extends Object` ``

java.lang.Object
↳ | android.hardware.lights.LightsManager

The LightsManager class allows control over device lights.

## Summary

### Nested classes
`class` | `LightsManager.LightsSession` Encapsulates a session that can be used to control device lights and represents the lifetime of the requests.

### Public methods
`abstract LightState` | `getLightState(Light light)` Returns the state of a specified light.
`abstract List<Light>` | `getLights()` Returns the lights available on the device.
`abstract LightsManager.LightsSession` | `openSession()` Creates a new LightsSession that can be used to control the device lights.

### 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 timeout, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void` | `wait(long timeout)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void` | `wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

## Public methods

### getLightState

    public abstract LightState getLightState (Light light)

Returns the state of a specified light.

Parameters
`light` | `Light`: This value cannot be `null`.

Returns
`LightState` | This value cannot be `null`.

### getLights

    public abstract List<Light> getLights ()

Returns the lights available on the device.

Returns
`List<Light>` | A list of available lights This value cannot be `null`.

### openSession

    public abstract LightsManager.LightsSession openSession ()

Creates a new LightsSession that can be used to control the device lights.

Returns
`LightsManager.LightsSession` | This value cannot be `null`.

Full name *
Email address *
Company / developer name
One of your Play Store app URLs *
Which best describes your business:*
Apps
Games
Apps & Games
*
*