SparkDownloadProgressBar

Package	mx.preloaders
Class	public class SparkDownloadProgressBar
Inheritance	SparkDownloadProgressBar Sprite DisplayObjectContainer InteractiveObject DisplayObject EventDispatcher Object
Implements	IPreloaderDisplay

Language Version:

ActionScript 3.0

Product Version:

Flex 4

Runtime Versions:

Flash Player 10, AIR 1.5

The SparkDownloadProgressBar class displays download progress. It is used by the Preloader control to provide user feedback while the application is downloading and loading.

The download progress bar displays information about two different phases of the application: the download phase and the initialization phase.

In the Application container, use the the preloader property to specify the name of your subclass.

You can implement a custom download progress bar component by creating a subclass of the SparkDownloadProgressBar class. Do not implement a download progress bar as an MXML component because it loads too slowly.

More examples

Creating a custom progress bar

Learn more

Showing the download progress of an application
Disabling the download progress bar

Related API Elements

mx.core.Application
mx.preloaders.IPreloaderDisplay
mx.preloaders.Preloader

Public Properties

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	Property		Defined By
		accessibilityImplementation : AccessibilityImplementation The current accessibility implementation (AccessibilityImplementation) for this InteractiveObject instance.	InteractiveObject
		accessibilityProperties : AccessibilityProperties The current accessibility options for this display object.	DisplayObject
		alpha : Number Indicates the alpha transparency value of the object specified.	DisplayObject
		backgroundAlpha : Number Alpha level of the SWF file or image defined by the backgroundImage property, or the color defined by the backgroundColor property.	SparkDownloadProgressBar
		backgroundColor : uint Background color of a download progress bar.	SparkDownloadProgressBar
		backgroundImage : Object The background image of the application, which is passed in by the preloader.	SparkDownloadProgressBar
		backgroundSize : String Scales the image specified by backgroundImage to different percentage sizes.	SparkDownloadProgressBar
		blendMode : String A value from the BlendMode class that specifies which blend mode to use.	DisplayObject
		blendShader : Shader [write-only] Sets a shader that is used for blending the foreground and background.	DisplayObject
		buttonMode : Boolean Specifies the button mode of this sprite.	Sprite
		cacheAsBitmap : Boolean If set to true, Flash runtimes cache an internal bitmap representation of the display object.	DisplayObject
		cacheAsBitmapMatrix : Matrix If non-null, this Matrix object defines how a display object is rendered when cacheAsBitmap is set to true.	DisplayObject
		constructor : Object A reference to the class object or constructor function for a given object instance.	Object
		contextMenu : NativeMenu Specifies the context menu associated with this object.	InteractiveObject
		doubleClickEnabled : Boolean Specifies whether the object receives doubleClick events.	InteractiveObject
		dropTarget : DisplayObject [read-only] Specifies the display object over which the sprite is being dragged, or on which the sprite was dropped.	Sprite
		filters : Array An indexed array that contains each filter object currently associated with the display object.	DisplayObject
		focusRect : Object Specifies whether this object displays a focus rectangle.	InteractiveObject
		graphics : Graphics [read-only] Specifies the Graphics object that belongs to this sprite where vector drawing commands can occur.	Sprite
		height : Number Indicates the height of the display object, in pixels.	DisplayObject
		hitArea : Sprite Designates another sprite to serve as the hit area for a sprite.	Sprite
		loaderInfo : LoaderInfo [read-only] Returns a LoaderInfo object containing information about loading the file to which this display object belongs.	DisplayObject
		mask : DisplayObject The calling display object is masked by the specified mask object.	DisplayObject
		metaData : Object Obtains the meta data object of the DisplayObject instance if meta data was stored alongside the the instance of this DisplayObject in the SWF file through a PlaceObject4 tag.	DisplayObject
		mouseChildren : Boolean Determines whether or not the children of the object are mouse, or user input device, enabled.	DisplayObjectContainer
		mouseEnabled : Boolean Specifies whether this object receives mouse, or other user input, messages.	InteractiveObject
		mouseX : Number [read-only] Indicates the x coordinate of the mouse or user input device position, in pixels.	DisplayObject
		mouseY : Number [read-only] Indicates the y coordinate of the mouse or user input device position, in pixels.	DisplayObject
		name : String Indicates the instance name of the DisplayObject.	DisplayObject
		needsSoftKeyboard : Boolean Specifies whether a virtual keyboard (an on-screen, software keyboard) should display when this InteractiveObject instance receives focus.	InteractiveObject
		numChildren : int [read-only] Returns the number of children of this object.	DisplayObjectContainer
		opaqueBackground : Object Specifies whether the display object is opaque with a certain background color.	DisplayObject
		parent : DisplayObjectContainer [read-only] Indicates the DisplayObjectContainer object that contains this display object.	DisplayObject
		preloader : Sprite [write-only] The Preloader class passes in a reference to itself to the display class so that it can listen for events from the preloader.	SparkDownloadProgressBar
		root : DisplayObject [read-only] For a display object in a loaded SWF file, the root property is the top-most display object in the portion of the display list's tree structure represented by that SWF file.	DisplayObject
		rotation : Number Indicates the rotation of the DisplayObject instance, in degrees, from its original orientation.	DisplayObject
		rotationX : Number Indicates the x-axis rotation of the DisplayObject instance, in degrees, from its original orientation relative to the 3D parent container.	DisplayObject
		rotationY : Number Indicates the y-axis rotation of the DisplayObject instance, in degrees, from its original orientation relative to the 3D parent container.	DisplayObject
		rotationZ : Number Indicates the z-axis rotation of the DisplayObject instance, in degrees, from its original orientation relative to the 3D parent container.	DisplayObject
		scale9Grid : Rectangle The current scaling grid that is in effect.	DisplayObject
		scaleX : Number Indicates the horizontal scale (percentage) of the object as applied from the registration point.	DisplayObject
		scaleY : Number Indicates the vertical scale (percentage) of an object as applied from the registration point of the object.	DisplayObject
		scaleZ : Number Indicates the depth scale (percentage) of an object as applied from the registration point of the object.	DisplayObject
		scrollRect : Rectangle The scroll rectangle bounds of the display object.	DisplayObject
		softKeyboard : String Controls the appearance of the soft keyboard.	InteractiveObject
		softKeyboardInputAreaOfInterest : Rectangle Defines the area that should remain on-screen when a soft keyboard is displayed (not available on iOS).	InteractiveObject
		soundTransform : flash.media:SoundTransform Controls sound within this sprite.	Sprite
		stage : Stage [read-only] The Stage of the display object.	DisplayObject
		stageHeight : Number The height of the stage, which is passed in by the Preloader class.	SparkDownloadProgressBar
		stageWidth : Number The width of the stage, which is passed in by the Preloader class.	SparkDownloadProgressBar
		tabChildren : Boolean Determines whether the children of the object are tab enabled.	DisplayObjectContainer
		tabEnabled : Boolean Specifies whether this object is in the tab order.	InteractiveObject
		tabIndex : int Specifies the tab ordering of objects in a SWF file.	InteractiveObject
		textSnapshot : flash.text:TextSnapshot [read-only] Returns a TextSnapshot object for this DisplayObjectContainer instance.	DisplayObjectContainer
		transform : flash.geom:Transform An object with properties pertaining to a display object's matrix, color transform, and pixel bounds.	DisplayObject
		useHandCursor : Boolean A Boolean value that indicates whether the pointing hand (hand cursor) appears when the pointer rolls over a sprite in which the buttonMode property is set to true.	Sprite
		visible : Boolean [override] Specifies whether the download progress bar is visible.	SparkDownloadProgressBar
		width : Number Indicates the width of the display object, in pixels.	DisplayObject
		x : Number Indicates the x coordinate of the DisplayObject instance relative to the local coordinates of the parent DisplayObjectContainer.	DisplayObject
		y : Number Indicates the y coordinate of the DisplayObject instance relative to the local coordinates of the parent DisplayObjectContainer.	DisplayObject
		z : Number Indicates the z coordinate position along the z-axis of the DisplayObject instance relative to the 3D parent container.	DisplayObject

Protected Properties

	Property		Defined By
		initProgressTotal : uint = 6 The total number of validation events you expect to get in the initializing phase.	SparkDownloadProgressBar

Public Methods

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	Method		Defined By
		SparkDownloadProgressBar() Constructor.	SparkDownloadProgressBar
		addChild(child:DisplayObject):DisplayObject Adds a child DisplayObject instance to this DisplayObjectContainer instance.	DisplayObjectContainer
		addChildAt(child:DisplayObject, index:int):DisplayObject Adds a child DisplayObject instance to this DisplayObjectContainer instance.	DisplayObjectContainer
		addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void Registers an event listener object with an EventDispatcher object so that the listener receives notification of an event.	EventDispatcher
		areInaccessibleObjectsUnderPoint(point:Point):Boolean Indicates whether the security restrictions would cause any display objects to be omitted from the list returned by calling the DisplayObjectContainer.getObjectsUnderPoint() method with the specified point point.	DisplayObjectContainer
		contains(child:DisplayObject):Boolean Determines whether the specified display object is a child of the DisplayObjectContainer instance or the instance itself.	DisplayObjectContainer
		dispatchEvent(event:Event):Boolean Dispatches an event into the event flow.	EventDispatcher
		getBounds(targetCoordinateSpace:DisplayObject):Rectangle Returns a rectangle that defines the area of the display object relative to the coordinate system of the targetCoordinateSpace object.	DisplayObject
		getChildAt(index:int):DisplayObject Returns the child display object instance that exists at the specified index.	DisplayObjectContainer
		getChildByName(name:String):DisplayObject Returns the child display object that exists with the specified name.	DisplayObjectContainer
		getChildIndex(child:DisplayObject):int Returns the index position of a child DisplayObject instance.	DisplayObjectContainer
		getObjectsUnderPoint(point:Point):Array Returns an array of objects that lie under the specified point and are children (or grandchildren, and so on) of this DisplayObjectContainer instance.	DisplayObjectContainer
		getRect(targetCoordinateSpace:DisplayObject):Rectangle Returns a rectangle that defines the boundary of the display object, based on the coordinate system defined by the targetCoordinateSpace parameter, excluding any strokes on shapes.	DisplayObject
		globalToLocal(point:Point):Point Converts the point object from the Stage (global) coordinates to the display object's (local) coordinates.	DisplayObject
		globalToLocal3D(point:Point):Vector3D Converts a two-dimensional point from the Stage (global) coordinates to a three-dimensional display object's (local) coordinates.	DisplayObject
		hasEventListener(type:String):Boolean Checks whether the EventDispatcher object has any listeners registered for a specific type of event.	EventDispatcher
		hasOwnProperty(name:String):Boolean Indicates whether an object has a specified property defined.	Object
		hitTestObject(obj:DisplayObject):Boolean Evaluates the bounding box of the display object to see if it overlaps or intersects with the bounding box of the obj display object.	DisplayObject
		hitTestPoint(x:Number, y:Number, shapeFlag:Boolean = false):Boolean Evaluates the display object to see if it overlaps or intersects with the point specified by the x and y parameters.	DisplayObject
		initialize():void Called by the Preloader after the download progress bar has been added as a child of the Preloader.	SparkDownloadProgressBar
		isPrototypeOf(theClass:Object):Boolean Indicates whether an instance of the Object class is in the prototype chain of the object specified as the parameter.	Object
		local3DToGlobal(point3d:Vector3D):Point Converts a three-dimensional point of the three-dimensional display object's (local) coordinates to a two-dimensional point in the Stage (global) coordinates.	DisplayObject
		localToGlobal(point:Point):Point Converts the point object from the display object's (local) coordinates to the Stage (global) coordinates.	DisplayObject
		propertyIsEnumerable(name:String):Boolean Indicates whether the specified property exists and is enumerable.	Object
		removeChild(child:DisplayObject):DisplayObject Removes the specified child DisplayObject instance from the child list of the DisplayObjectContainer instance.	DisplayObjectContainer
		removeChildAt(index:int):DisplayObject Removes a child DisplayObject from the specified index position in the child list of the DisplayObjectContainer.	DisplayObjectContainer
		removeChildren(beginIndex:int = 0, endIndex:int = 0x7fffffff):void Removes all child DisplayObject instances from the child list of the DisplayObjectContainer instance.	DisplayObjectContainer
		removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void Removes a listener from the EventDispatcher object.	EventDispatcher
		requestSoftKeyboard():Boolean Raises a virtual keyboard.	InteractiveObject
		setChildIndex(child:DisplayObject, index:int):void Changes the position of an existing child in the display object container.	DisplayObjectContainer
		setPropertyIsEnumerable(name:String, isEnum:Boolean = true):void Sets the availability of a dynamic property for loop operations.	Object
		startDrag(lockCenter:Boolean = false, bounds:Rectangle = null):void Lets the user drag the specified sprite.	Sprite
		startTouchDrag(touchPointID:int, lockCenter:Boolean = false, bounds:Rectangle = null):void Lets the user drag the specified sprite on a touch-enabled device.	Sprite
		stopAllMovieClips():void Recursively stops the timeline execution of all MovieClips rooted at this object.	DisplayObjectContainer
		stopDrag():void Ends the startDrag() method.	Sprite
		stopTouchDrag(touchPointID:int):void Ends the startTouchDrag() method, for use with touch-enabled devices.	Sprite
		swapChildren(child1:DisplayObject, child2:DisplayObject):void Swaps the z-order (front-to-back order) of the two specified child objects.	DisplayObjectContainer
		swapChildrenAt(index1:int, index2:int):void Swaps the z-order (front-to-back order) of the child objects at the two specified index positions in the child list.	DisplayObjectContainer
		toLocaleString():String Returns the string representation of this object, formatted according to locale-specific conventions.	Object
		toString():String Returns the string representation of the specified object.	Object
		valueOf():Object Returns the primitive value of the specified object.	Object
		willTrigger(type:String):Boolean Checks whether an event listener is registered with this EventDispatcher object or any of its ancestors for the specified event type.	EventDispatcher

Protected Methods

	Method		Defined By
		completeHandler(event:Event):void Event listener for the Event.COMPLETE event.	SparkDownloadProgressBar
		createChildren():void Creates the subcomponents of the display.	SparkDownloadProgressBar
		initCompleteHandler(event:Event):void Event listener for the FlexEvent.INIT_COMPLETE event.	SparkDownloadProgressBar
		initProgressHandler(event:Event):void Event listener for the FlexEvent.INIT_PROGRESS event.	SparkDownloadProgressBar
		progressHandler(event:ProgressEvent):void Event listener for the ProgressEvent.PROGRESS event.	SparkDownloadProgressBar
		rslCompleteHandler(event:RSLEvent):void Event listener for the RSLEvent.RSL_COMPLETE event.	SparkDownloadProgressBar
		rslErrorHandler(event:RSLEvent):void Event listener for the RSLEvent.RSL_ERROR event.	SparkDownloadProgressBar
		rslProgressHandler(event:RSLEvent):void Event listener for the RSLEvent.RSL_PROGRESS event.	SparkDownloadProgressBar
		setDownloadProgress(completed:Number, total:Number):void Updates the outer portion of the download progress bar to indicate download progress.	SparkDownloadProgressBar
		setInitProgress(completed:Number, total:Number):void Updates the inner portion of the download progress bar to indicate initialization progress.	SparkDownloadProgressBar
		showDisplayForDownloading(elapsedTime:int, event:ProgressEvent):Boolean Defines the algorithm for determining whether to show the download progress bar while in the download phase.	SparkDownloadProgressBar
		showDisplayForInit(elapsedTime:int, count:int):Boolean Defines the algorithm for determining whether to show the download progress bar while in the initialization phase, assuming that the display is not currently visible.	SparkDownloadProgressBar

Events

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	Summary	Defined By
activate	[broadcast event] Dispatched when the Flash Player or AIR application gains operating system focus and becomes active.	EventDispatcher
added	Dispatched when a display object is added to the display list.	DisplayObject
addedToStage	Dispatched when a display object is added to the on stage display list, either directly or through the addition of a sub tree in which the display object is contained.	DisplayObject
clear	Dispatched when the user selects 'Clear' (or 'Delete') from the text context menu.	InteractiveObject
click	Dispatched when a user presses and releases the main button of the user's pointing device over the same InteractiveObject.	InteractiveObject
contextMenu	Dispatched when a user gesture triggers the context menu associated with this interactive object in an AIR application.	InteractiveObject
copy	Dispatched when the user activates the platform-specific accelerator key combination for a copy operation or selects 'Copy' from the text context menu.	InteractiveObject
cut	Dispatched when the user activates the platform-specific accelerator key combination for a cut operation or selects 'Cut' from the text context menu.	InteractiveObject
deactivate	[broadcast event] Dispatched when the Flash Player or AIR application operating loses system focus and is becoming inactive.	EventDispatcher
doubleClick	Dispatched when a user presses and releases the main button of a pointing device twice in rapid succession over the same InteractiveObject when that object's doubleClickEnabled flag is set to true.	InteractiveObject
enterFrame	[broadcast event] Dispatched when the playhead is entering a new frame.	DisplayObject
exitFrame	[broadcast event] Dispatched when the playhead is exiting the current frame.	DisplayObject
focusIn	Dispatched after a display object gains focus.	InteractiveObject
focusOut	Dispatched after a display object loses focus.	InteractiveObject
frameConstructed	[broadcast event] Dispatched after the constructors of frame display objects have run but before frame scripts have run.	DisplayObject
gestureDirectionalTap	Dispatched when the user creates a point of contact along the edge of the touch surface with an InteractiveObject instance, (such as tapping along the edge of the touch surface on Siri Remote for Apple TV) Some devices might also interpret this contact as a combination of several touch events, as well.	InteractiveObject
gestureLongPress	Dispatched when the user presses two points of contact over the same InteractiveObject instance on a touch-enabled device (such as presses and releases two fingers over a display object on a mobile phone or tablet with a touch screen).	InteractiveObject
gesturePan	Dispatched when the user moves a point of contact over the InteractiveObject instance on a touch-enabled device (such as moving a finger from left to right over a display object on a mobile phone or tablet with a touch screen).	InteractiveObject
gestureRotate	Dispatched when the user performs a rotation gesture at a point of contact with an InteractiveObject instance (such as touching two fingers and rotating them over a display object on a mobile phone or tablet with a touch screen).	InteractiveObject
gestureSwipe	Dispatched when the user performs a swipe gesture at a point of contact with an InteractiveObject instance (such as touching three fingers to a screen and then moving them in parallel over a display object on a mobile phone or tablet with a touch screen).	InteractiveObject
gestureTap	Dispatched when the user creates a point of contact with an InteractiveObject instance, then taps on a touch-enabled device (such as placing several fingers over a display object to open a menu and then taps one finger to select a menu item on a mobile phone or tablet with a touch screen).	InteractiveObject
gestureZoom	Dispatched when the user performs a zoom gesture at a point of contact with an InteractiveObject instance (such as touching two fingers to a screen and then quickly spreading the fingers apart over a display object on a mobile phone or tablet with a touch screen).	InteractiveObject
imeStartComposition	This event is dispatched to any client app that supports inline input with an IME	InteractiveObject
keyDown	Dispatched when the user presses a key.	InteractiveObject
keyFocusChange	Dispatched when the user attempts to change focus by using keyboard navigation.	InteractiveObject
keyUp	Dispatched when the user releases a key.	InteractiveObject
middleClick	Dispatched when a user presses and releases the middle button of the user's pointing device over the same InteractiveObject.	InteractiveObject
middleMouseDown	Dispatched when a user presses the middle pointing device button over an InteractiveObject instance.	InteractiveObject
middleMouseUp	Dispatched when a user releases the pointing device button over an InteractiveObject instance.	InteractiveObject
mouseDown	Dispatched when a user presses the pointing device button over an InteractiveObject instance.	InteractiveObject
mouseFocusChange	Dispatched when the user attempts to change focus by using a pointer device.	InteractiveObject
mouseMove	Dispatched when a user moves the pointing device while it is over an InteractiveObject.	InteractiveObject
mouseOut	Dispatched when the user moves a pointing device away from an InteractiveObject instance.	InteractiveObject
mouseOver	Dispatched when the user moves a pointing device over an InteractiveObject instance.	InteractiveObject
mouseUp	Dispatched when a user releases the pointing device button over an InteractiveObject instance.	InteractiveObject
mouseWheel	Dispatched when a mouse wheel is spun over an InteractiveObject instance.	InteractiveObject
nativeDragComplete	Dispatched by the drag initiator InteractiveObject when the user releases the drag gesture.	InteractiveObject
nativeDragDrop	Dispatched by the target InteractiveObject when a dragged object is dropped on it and the drop has been accepted with a call to DragManager.acceptDragDrop().	InteractiveObject
nativeDragEnter	Dispatched by an InteractiveObject when a drag gesture enters its boundary.	InteractiveObject
nativeDragExit	Dispatched by an InteractiveObject when a drag gesture leaves its boundary.	InteractiveObject
nativeDragOver	Dispatched by an InteractiveObject continually while a drag gesture remains within its boundary.	InteractiveObject
nativeDragStart	Dispatched at the beginning of a drag operation by the InteractiveObject that is specified as the drag initiator in the DragManager.doDrag() call.	InteractiveObject
nativeDragUpdate	Dispatched during a drag operation by the InteractiveObject that is specified as the drag initiator in the DragManager.doDrag() call.	InteractiveObject
paste	Dispatched when the user activates the platform-specific accelerator key combination for a paste operation or selects 'Paste' from the text context menu.	InteractiveObject
proximityBegin	Dispatched when the user lowers an active stylus past the proximity detection threshold of the screen.	InteractiveObject
proximityEnd	Dispatched when the user lifts an active stylus above the proximity detection threshold of the screen.	InteractiveObject
proximityMove	Dispatched when the user moves an active stylus over the screen while remaining within the proximity detection threshold.	InteractiveObject
proximityOut	Dispatched when the user moves an active stylus away from this InteractiveObject while remaining within the proximity detection threshold of the screen.	InteractiveObject
proximityOver	Dispatched when the user moves an active stylus directly above this InteractiveObject while remaining within the proximity detection threshold of the screen.	InteractiveObject
proximityRollOut	Dispatched when the user moves an active stylus away from this InteractiveObject and any of its children while remaining within the proximity detection threshold of the screen.	InteractiveObject
proximityRollOver	Dispatched when the user moves an active stylus over this InteractiveObject from outside the object's tree of descendents in the display list (while remaining within the proximity detection threshold of the screen).	InteractiveObject
releaseOutside	Dispatched when a user releases the button on the pointing device after the user first pressed the button over an InteractiveObject instance and then moved the pointing device off of the InteractiveObject instance.	InteractiveObject
removed	Dispatched when a display object is about to be removed from the display list.	DisplayObject
removedFromStage	Dispatched when a display object is about to be removed from the display list, either directly or through the removal of a sub tree in which the display object is contained.	DisplayObject
render	[broadcast event] Dispatched when the display list is about to be updated and rendered.	DisplayObject
rightClick	Dispatched when a user presses and releases the right button of the user's pointing device over the same InteractiveObject.	InteractiveObject
rightMouseDown	Dispatched when a user presses the pointing device button over an InteractiveObject instance.	InteractiveObject
rightMouseUp	Dispatched when a user releases the pointing device button over an InteractiveObject instance.	InteractiveObject
rollOut	Dispatched when the user moves a pointing device away from an InteractiveObject instance.	InteractiveObject
rollOver	Dispatched when the user moves a pointing device over an InteractiveObject instance.	InteractiveObject
selectAll	Dispatched when the user activates the platform-specific accelerator key combination for a select all operation or selects 'Select All' from the text context menu.	InteractiveObject
softKeyboardActivate	Dispatched immediately after the soft keyboard is raised.	InteractiveObject
softKeyboardActivating	Dispatched immediately before the soft keyboard is raised.	InteractiveObject
softKeyboardDeactivate	Dispatched immediately after the soft keyboard is lowered.	InteractiveObject
tabChildrenChange	Dispatched when the value of the object's tabChildren flag changes.	InteractiveObject
tabEnabledChange	Dispatched when the object's tabEnabled flag changes.	InteractiveObject
tabIndexChange	Dispatched when the value of the object's tabIndex property changes.	InteractiveObject
textInput	Dispatched when a user enters one or more characters of text.	InteractiveObject
touchBegin	Dispatched when the user first contacts a touch-enabled device (such as touches a finger to a mobile phone or tablet with a touch screen).	InteractiveObject
touchEnd	Dispatched when the user removes contact with a touch-enabled device (such as lifts a finger off a mobile phone or tablet with a touch screen).	InteractiveObject
touchMove	Dispatched when the user touches the device, and is continuously dispatched until the point of contact is removed.	InteractiveObject
touchOut	Dispatched when the user moves the point of contact away from InteractiveObject instance on a touch-enabled device (such as drags a finger from one display object to another on a mobile phone or tablet with a touch screen).	InteractiveObject
touchOver	Dispatched when the user moves the point of contact over an InteractiveObject instance on a touch-enabled device (such as drags a finger from a point outside a display object to a point over a display object on a mobile phone or tablet with a touch screen).	InteractiveObject
touchRollOut	Dispatched when the user moves the point of contact away from an InteractiveObject instance on a touch-enabled device (such as drags a finger from over a display object to a point outside the display object on a mobile phone or tablet with a touch screen).	InteractiveObject
touchRollOver	Dispatched when the user moves the point of contact over an InteractiveObject instance on a touch-enabled device (such as drags a finger from a point outside a display object to a point over a display object on a mobile phone or tablet with a touch screen).	InteractiveObject
touchTap	Dispatched when the user lifts the point of contact over the same InteractiveObject instance on which the contact was initiated on a touch-enabled device (such as presses and releases a finger from a single point over a display object on a mobile phone or tablet with a touch screen).	InteractiveObject

Property Detail

backgroundAlpha

property

backgroundAlpha:Number

Language Version:

ActionScript 3.0

Product Version:

Flex 4

Runtime Versions:

Flash Player 10, AIR 1.5

Alpha level of the SWF file or image defined by the backgroundImage property, or the color defined by the backgroundColor property. Valid values range from 0 to 1.0. Override this property to set your own value in a custom class.

You can specify either a backgroundColor or a backgroundImage, but not both.

The default value is 1.0.

Implementation
public function get backgroundAlpha():Number
public function set backgroundAlpha(value:Number):void

backgroundColor

property

backgroundColor:uint

Language Version:

ActionScript 3.0

Product Version:

Flex 4

Runtime Versions:

Flash Player 10, AIR 1.5

Background color of a download progress bar. Override this property to set your own value in a custom class.

You can specify either a backgroundColor or a backgroundImage, but not both.

Implementation
public function get backgroundColor():uint
public function set backgroundColor(value:uint):void

backgroundImage

property

backgroundImage:Object

Language Version:

ActionScript 3.0

Product Version:

Flex 4

Runtime Versions:

Flash Player 10, AIR 1.5

The background image of the application, which is passed in by the preloader. Override this property to set your own value in a custom class.

You can specify either a backgroundColor or a backgroundImage, but not both.

A value of null means "not set". If this style and the backgroundColor style are undefined, the component has a transparent background.

The preloader does not display embedded images. You can only use images loaded at runtime.

The default value is null.

Implementation
public function get backgroundImage():Object
public function set backgroundImage(value:Object):void

backgroundSize

property

backgroundSize:String

Language Version:

ActionScript 3.0

Product Version:

Flex 4

Runtime Versions:

Flash Player 10, AIR 1.5

Scales the image specified by backgroundImage to different percentage sizes. A value of "100%" stretches the image to fit the entire component. To specify a percentage value, you must include the percent sign (%). A value of "auto", maintains the original size of the image.

The default value is "auto".

Implementation
public function get backgroundSize():String
public function set backgroundSize(value:String):void

initProgressTotal

property

protected var initProgressTotal:uint = 6

Language Version:

ActionScript 3.0

Product Version:

Flex 4

Runtime Versions:

Flash Player 10, AIR 1.5

The total number of validation events you expect to get in the initializing phase. This should be an integer greater or equal to 4 (and note that if it is greater than 4 you might have an inefficiency in your initialization code)

The default value is 6.

preloader

property

preloader:Sprite [write-only]

Language Version:

ActionScript 3.0

Product Version:

Flex 4

Runtime Versions:

Flash Player 10, AIR 1.5

The Preloader class passes in a reference to itself to the display class so that it can listen for events from the preloader.

Implementation
public function set preloader(value:Sprite):void

stageHeight

property

stageHeight:Number

Language Version:

ActionScript 3.0

Product Version:

Flex 4

Runtime Versions:

Flash Player 10, AIR 1.5

The height of the stage, which is passed in by the Preloader class.

Implementation
public function get stageHeight():Number
public function set stageHeight(value:Number):void

stageWidth

property

stageWidth:Number

Language Version:

ActionScript 3.0

Product Version:

Flex 4

Runtime Versions:

Flash Player 10, AIR 1.5

The width of the stage, which is passed in by the Preloader class.

Implementation
public function get stageWidth():Number
public function set stageWidth(value:Number):void

visible

property

visible:Boolean[override]

Language Version:

ActionScript 3.0

Product Version:

Flex 4

Runtime Versions:

Flash Player 10, AIR 1.5

Specifies whether the download progress bar is visible.

When the Preloader control determines that the progress bar should be displayed, it sets this value to true. When the Preloader control determines that the progress bar should be hidden, it sets the value to false.

A subclass of the SparkDownloadProgressBar class should never modify this property. Instead, you can override the setter method to recognize when the Preloader control modifies it, and perform any necessary actions.

The default value is false.

Implementation
override public function get visible():Boolean
override public function set visible(value:Boolean):void

Constructor Detail

()

Constructor

public function SparkDownloadProgressBar()

Language Version:

ActionScript 3.0

Product Version:

Flex 4

Runtime Versions:

Flash Player 10, AIR 1.5

Constructor.

Method Detail

completeHandler

()

method

protected function completeHandler(event:Event):void

Language Version:

ActionScript 3.0

Product Version:

Flex 4

Runtime Versions:

Flash Player 10, AIR 1.5

Event listener for the Event.COMPLETE event. The default implementation does nothing.

Parameters

event:Event — The event object.

createChildren

()

method

protected function createChildren():void

Language Version:

ActionScript 3.0

Product Version:

Flex 4

Runtime Versions:

Flash Player 10, AIR 1.5

Creates the subcomponents of the display.

initCompleteHandler

()

method

protected function initCompleteHandler(event:Event):void

Language Version:

ActionScript 3.0

Product Version:

Flex 4

Runtime Versions:

Flash Player 10, AIR 1.5

Event listener for the FlexEvent.INIT_COMPLETE event. This implementation dispatches a Event.COMPLETE event.

Parameters

()

method

protected function setDownloadProgress(completed:Number, total:Number):void

Language Version:

ActionScript 3.0

Product Version:

Flex 4

Runtime Versions:

Flash Player 10, AIR 1.5

Updates the outer portion of the download progress bar to indicate download progress.

Parameters

	`completed:Number` — Number of bytes of the application SWF file that have been downloaded.

	`total:Number` — Size of the application SWF file in bytes.

setInitProgress

()

method

protected function setInitProgress(completed:Number, total:Number):void

Language Version:

ActionScript 3.0

Product Version:

Flex 4

Runtime Versions:

Flash Player 10, AIR 1.5

Updates the inner portion of the download progress bar to indicate initialization progress.

Parameters

	`completed:Number` — Number of initialization steps that have been completed

	`total:Number` — Total number of initialization steps

showDisplayForDownloading

()

method

protected function showDisplayForDownloading(elapsedTime:int, event:ProgressEvent):Boolean

Language Version:

ActionScript 3.0

Product Version:

Flex 4

Runtime Versions:

Flash Player 10, AIR 1.5

Defines the algorithm for determining whether to show the download progress bar while in the download phase.

Parameters

	`elapsedTime:int` — Number of milliseconds that have elapsed since the start of the download phase.

	`event:ProgressEvent` — The ProgressEvent object that contains the `bytesLoaded` and `bytesTotal` properties.

Returns

Boolean — If the return value is true, then show the download progress bar. The default behavior is to show the download progress bar if more than 700 milliseconds have elapsed and if Flex has downloaded less than half of the bytes of the SWF file.

showDisplayForInit

()

method

protected function showDisplayForInit(elapsedTime:int, count:int):Boolean

Language Version:

ActionScript 3.0

Product Version:

Flex 4

Runtime Versions:

Flash Player 10, AIR 1.5

Defines the algorithm for determining whether to show the download progress bar while in the initialization phase, assuming that the display is not currently visible.

Parameters

	`elapsedTime:int` — Number of milliseconds that have elapsed since the start of the download phase.

	`count:int` — number of times that the `initProgress` event has been received from the application.

Returns

Boolean — If true, then show the download progress bar.

SparkDownloadProgressBar - AS3 Flex

Classes x

backgroundAlpha

backgroundColor

backgroundImage

backgroundSize

initProgressTotal

preloader

stageHeight

stageWidth

visible