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Class ImageAsset

Hierarchy

Index

Constructors

constructor

Properties

Private _isViewBase

_isViewBase: boolean

Filed to use instead of instanceof ViewBase.

android

android: any

ios

ios: any

nativeImage

nativeImage: any

options

Static propertyChangeEvent

propertyChangeEvent: string

String value used when hooking to propertyChange event.

Methods

Private _createPropertyChangeData

Private _emit

  • _emit(eventNames: string): any

addEventListener

  • addEventListener(eventNames: string, callback: function, thisArg?: any): any
  • Adds a listener for the specified event name.

    Parameters

    • eventNames: string

      Comma delimited names of the events to attach the listener to.

    • callback: function

      A function to be called when some of the specified event(s) is raised.

    • Optional thisArg: any

      An optional parameter which when set will be used as "this" in callback method call.

    Returns any

get

  • get(name: string): any

getImageAsync

  • getImageAsync(callback: function): any
  • Parameters

    • callback: function
        • (image: any, error: any): void
        • Parameters

          • image: any
          • error: any

          Returns void

    Returns any

hasListeners

  • hasListeners(eventName: string): boolean

notify

  • notify<T>(data: T): void

notifyPropertyChange

  • notifyPropertyChange(propertyName: string, value: any, oldValue?: any): void

off

  • off(eventNames: string, callback?: any, thisArg?: any): any

on

  • on(eventNames: string, callback: function, thisArg?: any): any
  • on(event: "propertyChange", callback: function, thisArg?: any): any
  • A basic method signature to hook an event listener (shortcut alias to the addEventListener method).

    Parameters

    • eventNames: string

      String corresponding to events (e.g. "propertyChange"). Optionally could be used more events separated by , (e.g. "propertyChange", "change").

    • callback: function

      Callback function which will be executed when event is raised.

    • Optional thisArg: any

      An optional parameter which will be used as this context for callback execution.

    Returns any

  • Raised when a propertyChange occurs.

    Parameters

    • event: "propertyChange"
    • callback: function
    • Optional thisArg: any

    Returns any

once

  • once(event: string, callback: function, thisArg?: any): any
  • Adds one-time listener function for the event named event.

    Parameters

    • event: string

      Name of the event to attach to.

    • callback: function

      A function to be called when the specified event is raised.

    • Optional thisArg: any

      An optional parameter which when set will be used as "this" in callback method call.

    Returns any

removeEventListener

  • removeEventListener(eventNames: string, callback?: any, thisArg?: any): any
  • Removes listener(s) for the specified event name.

    Parameters

    • eventNames: string

      Comma delimited names of the events the specified listener is associated with.

    • Optional callback: any

      An optional parameter pointing to a specific listener. If not defined, all listeners for the event names will be removed.

    • Optional thisArg: any

      An optional parameter which when set will be used to refine search of the correct callback which will be removed as event listener.

    Returns any

set

  • set(name: string, value: any): void

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