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  • Flex web application: prevent framerate drop when window is invisible

    - by JayPea
    So there's been a new "feature" in the flash player since version 10.1, which reduces the player's framerate to 2 fps when the application window is out of view. This is good news for performance, but it can break some functionality, such as the Timer class. I have an application which uses a Timer to display a countdown. Given the nature of the application, it is required for the Timer to complete its countdown even if the user is not there to see it. Imagine that you need to give the user only 10 seconds to perform a task. If the user minimizes the window halfway through the counter, they can take as much time as they want and still have 5 seconds left when they return to the window. This apparently can not be avoided with the newer flash players. In Air applications there is the backgroundFrameRate property which can be set to prevent this behavior, but this is part of the WindowedApplication class, so it seems that it is not available in a web application. Does anyone know a way to keep a constant frame rate even when the window is not visible? Thanks

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  • programmatically add views to a viewstack flex

    - by dubbeat
    Hi, I'm trying to figure out how to in as3 (not mxml) add views to a view stack. For example I have a view component like so package components.screens { import mx.controls.Label; import mx.core.UIComponent; public class HomeScreen extends UIComponent { private var l:Label=new Label() public function HomeScreen() { super(); l.text="home"; addChild(l) } } } I've being trying to add it to a viewstack in the following way var myStack:ViewStack= new ViewStack(); mystack.addChild(homeScreen) This does not work. Whats the correct way? I'm aware I have to assign ID's but for now I just want to get the view in there

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  • Is it possible to run a Java program inside a Flex application?

    - by Joshua
    I would like to be able to incorporate a simple game, written in Java as a component within a Flex Application. Am I crazy? Flex can display HTML, and SWF, it can also call JavaScript - but can I incorporate an applet somehow? I do NOT mean kludging it in as a sister component within a browser, but actually within the flex application itself, so that it could also run under Adobe Air, for instance.

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  • Flex Text height

    - by kevin
    How can you get the height of the Text component that's been created dynamically from ActionScript. For instance, if you have something like: var temp:Text = new Text; temp.width = 50; temp.text = "Simple text"; how to get height of temp?

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  • Flex Import Class from a Module within a sub directory

    - by Tom
    I put some modules in a module folder. How do I import classes with the import statement when I'm in a sub folder? This won't work, not like classes which are in packages. modules/SomeModule.mxml <?xml version="1.0"?> <mx:Module> <mx:Script> <![CDATA[ import Fruit.Apple; ]]> </mx:Script> </mx:Module> Directory: . |-- Fruit |-- Apple.as |-- Modules |-- SomeModule.mxml `-- application.mxml

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  • Flex, Popups: rollout event, not always working

    - by Patrick
    hi, I'm using PopupManager to create popups.. I noticed that sometimes the popups are not removed when on mouseOut event, for some reasons. I tried to roll over/out fast but the popups perfectly work. So I'm not able to say why sometimes they remain visible instead of disappear. Thanks

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  • Flex Tile that expands as items are added to it

    - by Lost_in_code
    <mx:Tile width="100%" height="20"> <mx:Button label="btn"/> <mx:Button label="btn"/> <mx:Button label="btn"/> <mx:Button label="btn"/> <mx:Button label="btn"/> <mx:Button label="btn"/> </mx:Tile> The above Tile has a height of 20. When I add 50 new buttons to it, a vertical scrollbar is added. How can I make it not show the scrollbar but change it's height dynamically so that all the added items are always shown. Kinda like an "expanding" tile.

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  • Styling buttons of Flex TabNavigator

    - by donpal
    I created a TabNavigator with a bunch of NavigatorContent inside it, and want to skin just the buttons of the tabs themselves. So I added a skinClass, but looks like in the documentation, there's no skin part to target the button specifically. Do I have to style the mx:TabNavigator itself to accomplish this? I was hoping not since I don't know how to style mx components and am more comfortable with styling spark. Any other alternatives that I didn't think about?

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  • Best way to make a WYSIWYG in Flex?

    - by hngry4powr
    Hello, I have a client that wants a WYSIWYG form that behaves like MS word. It will have some section labels in it, with users expected to enter notes for each section, and it needs a place holder for a chart. The trick is that the user needs to know where page breaks are going to fall when printed. The customer agrees to fixed size paper with fixed sized margins. How should I approach this challenge? Thank you very much for your suggestions. Here is an example: Section 1: Explain Idea Here { As user types in this section, the space between this section and the next section expands, but I as the user can't delete the lines that say Section 1 or 2, or the place holder for the chart. However if I type a lot of text, I need to display where the page breaks are with a dashed line or something, so the user can make sure the content enters appears on the desired page. If I type a lot here for example, section 2 will get pushed onto the next page} Section 2: State why this is a Good Idea [ PLACE HOLDER FOR CHART . . . ] Section 3: Additional Remarks:

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  • ActionScript/Flex: Augment MouseEvents with extra information

    - by David Wolever
    I've got a business class, Spam and the corresponding view class, SpamView. How can I augment MouseEvents coming out of SpamView so the MouseEvents which come out of it contain a reference to the instance of Spam which the SpamView is displaying? Here's how I'd like to use it: class ViewContainer { ... for each (spam in spams) { addChild(new SpamView(spam)); ... function handleMouseMove(event:MouseEvent) { if (event is SpamViewMouseEvent) trace("The mouse is being moved over spam:", spam) } } Thanks! Things I've considered which don't work: Adding event listeners to each SpamView: the book keeping (making sure that they are added/removed properly) is a pain. Using event.target: the event's target may be a child of the SpamView (which isn't very useful) Listening for a MouseEvent, creating a new SpamViewMouseEvent, copying all the fields over, then dispatching that: copying all the fields manually is also a pain.

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  • Flex dynamic form height

    - by Daryl
    I'm not sure if this is possible, is there a way to get the <mx:Form> to set its own height based on the position of an element within it? For example something like this: <mx:Form height="{submitBtn.y + submitBtn.height}"> <mx:FormItem>... </mx:FormItem> <mx:FormItem>... </mx:FormItem> <mx:FormItem>... </mx:FormItem> <mx:FormItem> <s:Button id="submitBtn" label="Submit" /> </mx:FormItem> </mx:Form> where the form height is dynamically set based on submitBtn's y position and its height. I tried using Alert.show to show these values and turned out submitBtn.y = 0 and submitBtn.height = 21. height sounds reasonable, but I know the submitBtn.y can't be 0 since it's below several other Is it possible to set the form height dynamically?

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  • Flex - Cancel drag operation via keyboard

    - by Tom
    Hello I would like to be able to cancel a drag operation with the Escape key. The following did not work so far: calling stopDrag() on the component -- nothing happens calling DragManager.acceptDragDrop(null) -- nothing happens calling mx_internal function DragManager.endDrag() -- drag partly stops, the drag proxy image disappears but now the drop indicator shows at row 0, and also there's a null error when finally releasing the mouse Anybody else had any luck with this? Thanks!

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  • Flex 4: Getter getting before setter sets

    - by Steve
    I've created an AS class to use as a data model, shown here: package { import mx.controls.Alert; import mx.rpc.events.FaultEvent; import mx.rpc.events.ResultEvent; import mx.rpc.http.HTTPService; public class Model { private var xmlService:HTTPService; private var _xml:XML; private var xmlChanged:Boolean = false; public function Model() { } public function loadXML(url:String):void { xmlService = new HTTPService(); if (!url) xmlService.url = "DATAPOINTS.xml"; else xmlService.url = url; xmlService.resultFormat = "e4x"; xmlService.addEventListener(ResultEvent.RESULT, setXML); xmlService.addEventListener(FaultEvent.FAULT, faultXML); xmlService.send(); } private function setXML(event:ResultEvent):void { xmlChanged = true; this._xml = event.result as XML; } private function faultXML(event:FaultEvent):void { Alert.show("RAF data could not be loaded."); } public function get xml():XML { return _xml; } } } And in my main application, I'm initiating the app and calling the loadXML function to get the XML: <fx:Script> <![CDATA[ import mx.containers.Form; import mx.containers.FormItem; import mx.containers.VBox; import mx.controls.Alert; import mx.controls.Button; import mx.controls.Label; import mx.controls.Text; import mx.controls.TextInput; import spark.components.NavigatorContent; private function init():void { var model:Model = new Model(); model.loadXML(null); var xml:XML = model.xml; } ]]> </fx:Script> The trouble I'm having is that the getter function is running before loadXML has finished, so the XML varible in my main app comes up undefined in stack traces. How do I put a condition in here somewhere that tells the getter to wait until the loadXML() function has finished before running?

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  • Flex DataGridColumn with array of objects as data provider

    - by rforte
    I have a datagrid that uses an array of objects as the data provider. The objects are essentially key/value pairs: { foo:"something"} { bar:"hello"} { caca:"lorem"} The datagrid has 2 columns. The first column is the key and the second column is the value. Right now my grid looks like: My dataFormatter function makes sure that depending on the column (i.e. the dataField value) the correct key or value gets printed out. This works fine for displaying. However, as soon as I try and edit the value field it essentially adds a new value into the object with a key of '1'. For example, if I edit the {caca:"lorem"} object it will then contain the value {caca:"lorem",1:"new value"}. Is there any possible way I can set the DataGridColumn so that when I edit a value it will update the value associated with the key rather than inserting a new value? I've tried using a custom item editor but it still does the insert. It seems like I need to be able to update the 'dataField' with the actual key value but I'm not sure how to do that.

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  • flex soap 1.2 webservice

    - by JSMB
    Hello, I want to connect to a soap 1.2 web service. I know how to do it with a soap 1.1 connection. But it doesn't work for a soap 1.2. Can anyone tell me if there is a workaround for my problem? With kind regard, JSMB

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  • Is there a way to set the minHeight of the scroll bar thumb in Flex 3

    - by Mad Oxyn
    In my project we needed to make the scollbars look like Windows scrollbars. Therefore I have a thumbIcon on the thumb of a vertical scrollbar, but if I get too many items in the combobox, the scrollbar gets fiddly. This is because the margin between the thumbIcon and the border of the thumbSkin is too small. Is there a way to set the minimum height of the thumbSkin so that I can ensure there is always a margin there and it always looks good, even if there are too many items? Image above, see the thumb? By the thumbIcon I mean the 3 horizontal lines. The top and bottom margin between this icon and the border of the thumb itself is too small. This is the normal scroll bar, the thumbIcon and the borders of the thumb have enough margin, which make the scroll bar look a lot better.

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  • Flex Catch Keydown

    - by Antilogic
    I want to handle the keydown event globally in my application and as such have added the event handler to the top most DisplayObject in the display list. However, the event doesn't seem to fire unless the cursor focus is on a Textbox or Datagrid or the like. How can I have key presses handled globaly by the application?

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  • Do you know Best Practise and Design Patterns for Adobe Air/Flex Applications?

    - by Julian
    I'm going to write an application with the Air/Flex-Framework. I'm looking for Best Practise and general Design Patterns for designing software especially in Air/Flex. I have experience with this framework but never had the pleasure to write a piece of software from scratch. For instance: I stumbled across lots of software written in Air/Flex with nearly infinity global vars :-) Most of the software I saw was not object-oriented How can I pack the asynchronous method calls nicely? I'm familiar with general design patterns by gamma. I'm looking more for advise in designing good quality software with Adobe Air/Flex.

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  • Adobe flex dateField

    - by JonoB
    I have some code as follows: private function onComboChange(evt:Event):void { var temp:Date = df_date.selectedDate; temp.date += 5; df_dateDue.selectedDate = new Date(temp); } In essence, I am trying to add 5 days onto the selected date in df_date, and put that date into df_dateDue. This fires off via an EventListener on a combobox. Both df_date and df_dateDue are dateFields. OK, so the first time that I run this, it works fine; df_date stays the same and df_dateDue is set to 5 days past df_date. However, the next time that I run it, df_dateDue increments by 10 days from df_date, the next time by 15, and so on. So, stepping through the code shows that somehow df_date has become linked to the temp var, and that the temp var is not resetting itself each time the function is called. Example: df_date = 01 Jan, df_dateDue = 01 Jan. Fire off the event, df_date = 01 Jan, df_dateDue = 06 Jan Fire off the event again. At this point, var temp = 06 Jan (even though df_date still shows 01 Jan), and df_dateDue is then set to 11 Jan Fire off the event again. At this point var temp = 11 Jan (even though df_date = 01 Jan), and df_dateDue is then set to 16 Jan What am I missing here?

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  • Change A Character In A String Using Actionscript

    - by Joshua
    What is the opposite of String.charAt()?? If I Have a string: var Str:String="Hello World"; How do I change the 5th character, for example, from a ' ' to an '_'? I can GET the 5th character like this: var C:String=Str.charAt(5); But how do I SET the 5th character? Thanks in advance.

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  • SPRING: How do you programmatically instantiate classes based on information passed from Flex UI

    - by babyangel86
    Imagine the UI passes back an XMl node as such: <properties> <type> Source </type> <name> Blooper </name> <delay> <type> Deterministic </type> <parameters> <param> 4 </param> </parameters> <delay> <batch> <type> Erlang </type> <parameters> <param> 4 </param> <param> 6 </param> </parameters> <batch> And behind the scene what it is asking that you instantiate a class as such: new Source("blooper", new Exp(4), new Erlang(4,6); The problem lies in the fact that you don't know what class you will need to processing, and you will be sent a list of these class definitions with instructions on how they can be linked to each other. I've heard that using a BeanFactoryPostProcessor might be helpful, or a property editor/convertor. However I am at a loss as to how best to use them to solve my problem. Any help you can provide will be much appreciated.

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  • Customising Flex datagrid headerText

    - by Jad
    Gurus, I have a Adobe AIR application which has a datagrid. My requirement is to allow the user to make the column headers and the number of columns of that grid, customizable. 1. How can I get the column headerText values from DB? 2. If the user can enter the column names, it has to be saved to the DB and then loaded. Pl suggest. Regards ~Jad

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