ScreenOrientation extension type
The ScreenOrientation
interface of the
Screen Orientation API
provides information about the current orientation of the document.
A ScreenOrientation
instance object can be retrieved using the
screen.orientation
property.
API documentation sourced from MDN Web Docs.
- on
- Implemented types
- Available extensions
Properties
- angle → int
-
The
angle
read-only property of the ScreenOrientation interface returns the document's current orientation angle.no setter - hashCode → int
-
The hash code for this object.
no setterinherited
- onchange ↔ EventHandler?
-
getter/setter pair
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- type → OrientationType
-
The
type
read-only property of the ScreenOrientation interface returns the document's current orientation type, one ofportrait-primary
,portrait-secondary
,landscape-primary
, orlandscape-secondary
.no setter
Methods
-
addEventListener(
String type, EventListener? callback, [JSAny options]) → void -
The
addEventListener()
method of the EventTarget interface sets up a function that will be called whenever the specified event is delivered to the target.inherited -
dispatchEvent(
Event event) → bool -
The
dispatchEvent()
method of the EventTarget sends an Event to the object, (synchronously) invoking the affected event listeners in the appropriate order. The normal event processing rules (including the capturing and optional bubbling phase) also apply to events dispatched manually withdispatchEvent()
.inherited -
lock(
OrientationLockType orientation) → JSPromise< JSAny?> -
The
lock()
property of the ScreenOrientation interface locks the orientation of the containing document to the specified orientation. -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
removeEventListener(
String type, EventListener? callback, [JSAny options]) → void -
The
removeEventListener()
method of the EventTarget interface removes an event listener previously registered with EventTarget.addEventListener from the target. The event listener to be removed is identified using a combination of the event type, the event listener function itself, and various optional options that may affect the matching process; see Matching event listeners for removal.inherited -
toString(
) → String -
A string representation of this object.
inherited
-
unlock(
) → void -
The
unlock()
property of the ScreenOrientation interface unlocks the orientation of the containing document from its default orientation.
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited