DisplayController

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DisplayController specific operations are done through this class abstraction.

Constructors

new DisplayController()

new DisplayController(): DisplayController

Returns

DisplayController

Methods

addListener()

static addListener(listener): ISubscription

Adds display controller listener object IDisplayControllerListener to receive callbacks when primary display is added (connected) or removed (disconnected). It returns a ISubscription object, which is used to unsubscribe the listener from receiving the events through ISubscription.unsubscribe.

Parameters

listener

IDisplayControllerListener

IDisplayControllerListener object to listen for display controller events.

Returns

ISubscription

ISubscription object corresponding to the listener

See

DisplayControllerListenerSubscription

isPrimaryDisplayConnected()

static isPrimaryDisplayConnected(): boolean

Check if primary display is connected to the device and ready to use.

Returns

boolean

return true if display is connected, false otherwise.

Last updated: Sep 30, 2025