Flex :: Attach Camera To Spark.components.VideoDisplay?
Nov 14, 2010
I'm using Flash Builder and created a spark-application Flex project that will stream video from the local camera. If I use mx.controls.VideoDisplay; there is no problem since it has attachCamera(camera) method. But Spark's VideoDisplay component does not have that method. I know I can use mx controls inside a Spark app but I want to know:
What is the real difference between spark.components.VideoDisplay and mx.controls.VideoDisplay?How do I attach camera to spark. components.VideoDisplay?Is there any advantages if I go with spark (since it's newer to mx library)?
EDIT: In the documentation this is mentioned: "Starting with Flex 4.0, Adobe recommends that you use the spark.components.VideoPlayer class as an alternative to this class. (mx.controls.VideoDisplay)"
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Aug 2, 2010
I stumbled upon and interesting problem concerning spark's VideoDisplay-Component. It seems that it doesn't dispatch DoubleClick-Events. For better understanding look at the following code:
[Code]....
The Click-Event works for both components. But the DoubleClick-Event is only handled by the Panel-Component.
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Oct 18, 2011
i have encountered a problem last night. my code looks like the following:
[Code]...
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Mar 2, 2010
I want to build a component, where the user can play a video in a Flex Spark VideoDisplay. There will be a button and whenever the button is pressed, I want to save the current time of the VideoDisplay plus a screenshot. The screenshot needs to be someway saved, because I want to display all times and screenshots in a DataGrid (screenshots should appear when the user hovers a time in the DataGrid). So, how can I take screenshots of the Spark VideoDisplay and save/display them?
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Dec 8, 2011
how to receive an event when the streams disconnects that would be great.
The documentation for this control is simply horrible. I have an application that will have a live video stream and I'm looking for a way to make the VideoDisplay control restore its connection in case of the occurrence of any of these specific scenarios:
The application starts and the stream is not online yet. The application is streaming and the user is disconnected from the internet. The application is streaming and the video server crashes and reboots.
I'm using Wowza Media Server and Wirecast to test this. 1 and 3 don't work, I'm not sure number 2 does. I made number 1 work by adding this very questionable piece of code:
[Code]....
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Jun 3, 2010
I'm currently building an air app with FB 4.
I have a custom control that contains a VideoDisplay control, and which loaded using the PopupManager.
Using the profiler, i've noticed that every time the my popup is loaded the memory for it gets allocated, but when it's closed the memory is never recovered.
There's nothing else holding a reference to the popup. And if I don't set the source of the VideoDisplay object, then there is no leak - but as soon as the source is set I get a leak.
I can't see any method to force close the stream or anything on the spark VideoDisplay control.
EDIT: I have tried setting the source to null before closing the popup but that doesn't change anything.
Also, I'm not holding any event listener to the video.
Edit 2: It doesn't happen if I replace the spark VideoDisplay with an mx VideoDisplay. Bug in the spark component?
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Jan 26, 2011
I'm writing a Flex video player with a "slow advance" button, and my first approach is to simply toggle between play() and pause() on a timer. I'd like to say something like
if (video.isPlaying) {
video.pause();
} else {
video.play();
}
But I can't find anything like an 'isPlaying' property.
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Sep 6, 2011
I've created a Flex website that plays a video using the Spark VideoDisplay component. When selected, the VideoDisplay loads in the PopUpManager.
This works fine in all the browsers, except Google Chrome take significantly longer to start playing, during which the CPU usage peaks, then goes back down once video starts playing.
I've traced the player states it goes through and they are as follows:
Loading ready (hangs for ages with high cpu) buffering playing (immediately after buffering, CPU usage goes down, video plays smoothly)
What could be causing this to temporarily hang for so much longer in Chrome? I thought I could expect the same functionality and behaviour throughout all the browsers, as Flash is simply a plugin that runs as a separate process?
Edit: It seems that it's the same in Opera too. Is there any commonality between the two that would explain this behaviour?
[Code]....
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Jun 9, 2011
I'm trying to embed fonts in my app. All is mostly well but for the itemRenderers in my AdvancedDataGrid. Adobe's documentation claims that [code] however, don't mention anything for ADGs, and setting defaultDataGridItemRenderer to either FTEDataGridItemRenderer or FTEAdvancedDataGridItem Renderer doesn't seem to do the trick.
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Sep 9, 2009
i have a VideoDisplay [code]and i want to make the child inside VideoDisplay to resize with him to make his size 100%/100% (size of the child)cuz video.height and width accept only integers and ican't put % in there
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Apr 25, 2011
I need to create a slideshow using data received from another view.I'm calling the slideshow's view like this:
<s:List id = "list" dataProvider = "{actions}"
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<s:itemRenderer>
[code].....
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Oct 12, 2011
I want to use a Spark ComboBox with numerous MX Components but the Spark ComboBox does not look the same as the MX Components. Is there a skin I can use to Skin Spark components like MX components?
[Code]...
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May 15, 2011
Are spark components available in flash or only flex 4 (flashbuilder)?
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Sep 10, 2011
How can Application's ControlBar be moved to its bottom in Flex 4.5 ?
The Adobe doc says only:
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Mar 26, 2012
I'm creating a log-in box for my Flex application. However, I'm required to apply a specific design to this box that I have to change the title bar height.
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Mar 27, 2012
The class 'Button' in package mx.controls has the style 'paddingLeft' and 'paddingRight'. But now I don't want to use this old Halo theme anymore, I'm moving everything to Spark.
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Oct 14, 2010
There are lots of examples of how to create skinnable components in AS3 using the new Spark component architecture, however I've yet to find any such examples using MXML.What I'm mainly referring to is defining the skin parts and skin states. It seems as though the SkinPart metadata is supposed to be associated with properties and as such can't be used in MXML, is this correct?
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Oct 28, 2010
My goal is to remove all hover feedback from the UI. The motivation is for testing touch interface prototypes and not wanting users to have the queue of interactivity when the mouse hovers which they won't have with a touch interface.
I have a partial solution but it has two problems:
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protected function ui_suppressHover(event:MouseEvent):void
{
var b = event.currentTarget as UIComponent;
[Code].....
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Dec 21, 2010
I have a spark List defined as:
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}
and symbolListCollection as an ArrayList filled with Strings.
At first, the change event works fine, and I get what I expect.
However, if I Ctrl-click on the selected item, to de-select it, i am unable to ever select an item again.
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Sep 8, 2011
I have a custom component, containing a List displaying items from an XMLListCollection:
[Code]....
Also if I click twice, only 1 mouse click will cause my custom event to be dispatched (because obviously there is no change between the items). how to make my List only react to mouse clicks? UPDATE: Yes, I've tried using "change" event for the List before, but then I have the problem that it is fired, even if the List scrollbar is clicked.
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Sep 17, 2011
I'm trying to test a custom Flex 4 skinnable component, using the FlexUnit UIImpersonator class. If I run my tests from a FlashBuilder Spark only project everything works fine. If I try to test from a project with the mx component set on the classpath I get a "getElementIndex not available in non Flex 4 projects" error.Can I unit test spark components in FlexUnits visual test environment while still having the mx component set on the classpath?
UIImpersonator delegates it's method calls to a "testEnvironment".The implementation used for this "testEnvironment" is decided by the VisualTest EnvironmentBuilder class and the FlexEnvironmentBuilder class. If the FlexEnvironmentBuilder class can find the "mx.core.Container" on the classpath it returns a MX environment, else a Spark environment. Only the spark environment has valid implementations for Flex 4 relevant method calls on the UIImpersonator - like the addElement method.
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Apr 1, 2012
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Nov 30, 2010
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What we have:
MainInterface.mxml
<s:Application...
<fx:Script>
<![CDATA[
public var currentNode:Node = new Node();
[Code] .....
We tried adding an event listener for "selectNode" to the dashBoard:SkinnableContainer you see see above, but it didn't seem to want to take. We suspect this is because dashBoard is from a spark component and the dispatcher for "selectNode" is on of our own custom components, but we weren't sure... in any case that's what the code assist seemed to indicate as we had to write it in by hand. We're not sure how to pick up the Events in FlashBuilder 4's debugger, so we're having trouble working out where it's going wrong.
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Sep 23, 2010
I am using a List component inside an itemRenderer. The main user interaction involves dragging an item from the List in one renderer and dropping it in another. My problem: When the data object is updated I want the Lists' height to be modified according to the number of objects in the dataprovider(dp), which is passed to the List from the data object. Now I have tried to invalidate the display of the List, refresh its dp and have tried putting this line assets.length > 0 ? assetList.percentHeight = 100 : assetList.height = 10; in other event handlers, such as dragdrop handlers, collection event handlers for the dp etc. I have also tried refreshing the dp for the List component that is using this renderer. The view does eventually get updated but only if I resize the list, or use the scroller or when I begin dragging a new List item but never after the drop.
[Code]...
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Jun 2, 2011
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Jul 1, 2011
I have a renderer that looks like this:
[Code]...
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Feb 7, 2011
I'm looking to add a couple of buttons to the title bar of a Spark Panel or Spark TitleWindow. Is this possible to do without making the panel from scratch?
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Aug 22, 2010
Do you know any flex component with the functionality such as horizontally collapsible window or panel I found arc90, but it folds vertically.
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Sep 8, 2009
I am created a dynamically adding a VBox, that contains two images. Into a Custom Component that is derived from UIComponent. The problem is the Vbox that contains the two image is only a really tiny size. I would like the VBox stretch to the size of the two images. This is how I am creating the Vbox....
[Code]...
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Nov 12, 2009
I have a videoDisplay object in a popup.When I remove the popup the video continues to play.How do I remove the videoDisplay object from memory?I have tried setting the variable to null but with no luck. I can just call the stop() function and forget about it but am wondering whether this won't come back and bite me.
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