Flash :: Events Not Firing In Custom Flex Component?
Jun 24, 2011
I'm taking my first stab at writing a custom flex 4 component by extending the UIComponent class. Unfortunately, I cannot get the component to respond to any sort of mouse events.I've tried setting mouseEnabled to true is the component, as well as setting mouseChildren to true in the parent (the stage object). It seems whatever I do, my click events can be detected from the stage, but not with the component.Here is my component class:
package components {
import mx.core.UIComponent;
public class DrawCanvas extends UIComponent {
[code]......
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Jan 4, 2010
I have written a custom component for drawing a circle in Flex. But When I try to write a click event or mouseDown event for that component, it doesn't work.[code]...
The "Hello" Alert is displayed only at a particular point and guess is, at the point, (175,150) the x, y co-ordinates of the circle. But shouldn't it be displayed wherever I click on the MyCircle component?? how to enable it in that way?
Also the mouseDown function doesn't work for MyCircle,but if have the event for the VBox, the Alerts are displayed.
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Dec 11, 2010
In the main file, I would write[code]...
But if I want the component to have that behaviour innately, where do I write it in the mybutton mxml file to have it reference itself?[code]...
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Apr 5, 2010
I am having an issue with an actionscript event that I am firing every time a flex component resizes. In the event, I am altering the height of the flash object within its html wrapper via an external javascript function. This in turn causes the component to resize and the event to loop in upon itself and continually add height to the component.
[Code]...
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Mar 25, 2010
enter code hereBeen really frustrating just trying to load a swf from a swfloader in Flex and then accessing it's content. I'm sure once I figure out how to do it once then it'll be fine, but I've gone thorugh a bunch of tutorials and somethings not right. Here's my flex code:and the as code:
public function initHeaderSwf():void
{
trace("INITIATIED");[code]........
Here's the problem: The swf loads, there is no problem there.i see it in my compiled swf. but the complete event doesn't fire. CreationComplete will fire, and then I try, after that, to make a event listener for loading the actual swf, that doesn't fire.I've tried it a variety of different ways with no luck.All I am trying to do is change a text field in the loaded swf.I imagine this might be a problem with the sequence of things loading or something like that, but not sure.
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Jun 15, 2011
What I want is to play a swf file in my site. And when that swf animation file ends that is fully watched by the User, I want to call a PHP page.
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Oct 10, 2011
As I started developing mobile apps for iOS/Android using Adobe AIR I encountered strange problem (or feature). If you create Sprite and make it draggable using startDrag/stopDrag inside MOUSE_DOWN/MOUSE_UP event handlers, everything works. But if you add another listener MOUSE_CLICK to the same object, it starts to fire together with MOUSE_UP. Logically this behavior is all right.
What I need is to prevent firing MOUSE_CLICK handler when user drags the Sprite (startDrag) and I need it to fire when user did not drag the Sprite. What I'm trying to create is a small thumbnail bar which is draggable and after clicking on concrete thumbnail its large version/image opens up. This is actually not possible as MOUSE_CLICK fires everytime user drags whole thumbnail bar so large image opens up everytime.
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Mar 2, 2012
This is NOT duplicate of my earlier post (its is slightly different)But this is similar issue with similar error but its not the same error The error I am getting now is below while dispatching the custom event from my custom component
TypeError: Error #1034: Type Coercion failed: cannot convert events::MapEvent@a74ab51 to flash.events.MouseEvent.
dispatchEvent(new MapEvent(MapEvent.CLICKED_ON_MAP));
Note: The error in my earlier post is giving below error message
Type Coercion failed: cannot convert flash.events::Event@81ecb79 to com.events.ShopEvent
The difference here are two things, the earlier error is while converting flash event to custom event and now this one is while converting custom event to flash event and secondly, I have no clue why it is trying to convert to the mouseevent where I am just dispatching my custom event with proper listeners.
This is my custome event
package events
{
import flash.events.Event;
import ui.map.MapElement;
[code]...
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Mar 28, 2011
I'm having a problem with this menu tutorial I followed from ASGamer. I have done and used most, if not all of the tutorials from that site.Anyway my problem is their base menu class;
package com.game.scripts.menu
{
import flash.display.MovieClip;
[code].....
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Apr 28, 2011
Im trying to get my head round what is needed to catch event "Beep2", using dispatchEvent. The function "DoNext" is not firing, even though Im able to produce a trace result of the dispatchEvent "Beep2 true".
This code uses a CustomEvent Class to Extend the Event Class. Its right on my limit of knowledge so far,
[Code]...
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Apr 14, 2012
I am creating a custom component in Flex with extends the BorderContainer class, and I would like to be able to place additional content within the tagset when I use it in my main application, like this:
<components:CustomComponent title="Hello">
<s:Label text="If you have one enter it below:"/>
<mx:Spacer height="15" />
[Code]....
This works just fine, except that my component definition had some additional things inside of it, such as a <s:Label/> and styling, which is replaced by the content within the tagset above when I go to use it.
If I do not put anything within the tagset, the content that was originally in the component is not replaced.
Is there a way that I can simply append additional content inside of the component when I go to use it, instead of it being replaced each time?
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Apr 5, 2011
I am trying to create an expanding object with the following event handler
public function pickerMove(e:MouseEvent):void {
trace("in mouse move");
var offsetX:int = e.stageX - touchX;
[Code]....
Is there something that I don't know about custom components resizing?
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Nov 11, 2010
I'm building a top view 2D map, that it's objects are stored on the server.The kind of objects are 10 and might be a photo, label, button, lists, mix of them or labels with tooltips.The component must request the "areas" that are missing on screen.An area is 1000x1000 px and is cached in flex.To move in the map, will be like in google maps (drag-and-drop).I should be able to have another list and move objects from one to another using drag-an-drop on objects. Ex.: I grab an objects from a list and I move it on this map, I release the mouse button and the item is placed there.Now the problem is: I build a custom component for this trying to emulate the item renderer for performance and recyclage, implement drag-and-drop on objects and request the areas that are missing?
or
I extend the List component from spark and I add some features as multiple kind of itemrenderers and use recycle on them. Of course it must be able to request the missing areas on the screen and cache it's data.Maybe create a custom layout is needed too.What I need is something that must be really fluid, so the lighter this component is, the better.
UPDATE: *There will be not any object over another.
*I will not use hitTest on bitmaps because all bitmaps are wrapped in another component,as they,for now are itemrenderers.
Anyway I already begin to do this using a class that extends the SkinnableDataContainer and a custom layout. As the layout is not like a grid, is sparse, random items at diferent points(x, y).How to get the localX and localY, relative to item renderer and not to the Spark List, from a DragEvent in Flex 4?
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Sep 8, 2011
I have a custom Flex 4.5 component (to be used in a List) -
Game.mxml (represents a clickable playing table in a card game):
<?xml version="1.0" encoding="utf-8"?>
<s:ItemRenderer [code].......
But I never see the "game clicked: " trace. Does anybody please know why? I'm probably missing something minor, because I can see the "Clicked: 8946" trace.
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Feb 16, 2012
This is similar to the question asked here. I am dispatching custom event "ShopEvent" but i am getting error "Type Coercion failed: cannot convert flash.events::Event@81ecb79 to com.events.ShopEvent"Note: Error is thrown from the parent custom component (3rd code snippet), I have added more details thereThis is my custom event. See the first constant, I copy pasted the event name in custom components.
package com.events
{
import flash.events.Event;
[code]......
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Jul 28, 2009
In AIR application i have link button like winner statistics . if i like this button then show winner statistics (canves) reports full page on my application . I Already created winner statistics using canves component .Which container is mostly used for view data ?
Please refer me ? i tried viewstack but it will overwrite Main page ?
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May 10, 2011
I made a movieclip in flash that dispatches a custom event: MyEvent.THE_TYPE = "the_type"in flex I have: <local:my_flash_mc the_type="do_something()"however, this is not working.in flash, my event bubbles is set to true. everything works fine in flash.in flex I am NOT using:
<fx:Metadata>
[Event(name="the_type", type="...")]
</fx:Metadata>
[code]....
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May 12, 2010
The spark panel component for example can be written like this
<Panel title="Skinny">
<child components ... />
<controlBarGroup>
<child control bar components ... />
</controlBarGroup>
[Code]...
The motivation here is that I can now create a couple different skin files to change the look and layout of those subgroups. Reading source of the spark panel, there are some calls within the mx_internal namespace such as getMXMLContent() which is a method of the spark group component, but which I have no access to.
Does the description above make sense? How can I create custom 'contentGroups' in my custom Flex4 component that can use nested mxml child components? Should I approach this a different way?
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Sep 7, 2010
I'm trying to pass some properties to a component I've created in Flash Builder 4. In my example below I want to pass the "label" property to update the label property of the Button.
// MyApp.mxml
<?xml version="1.0" encoding="utf-8"?>
<s:WindowedApplication xmlns:fx="[URL]"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx"
xmlns:local="*">
[Code] .....
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Sep 6, 2011
I created a custom MXML component, TurboContent, that extends the NavigatorContent class:
<s:NavigatorContent xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx">
[Code].....
In this case, the 'myButton' component never shows up, but all the elements of the base component do (3 buttons and a datagrid).
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Nov 18, 2009
I keep running into problems where I want to add an event listener onto a class instance RIGHT after it's instantiated, like this:
Code:
storiesXML = new XML(XMLdata);
storyBook = new vStories(XML(storiesXML.stories));
storyBook.addEventListener("storyBookLoaded", storyBookLoaded);
. . .
But by the time we arrive at the third line, the "storyBookLoaded" event has very often (inconsistent) already been dispatched from my class instance:
Code:
var evt:Event = new Event("storyBookLoaded", true, false);
dispatchEvent( evt );
...
(Even though quite a lot has happened in the class before that.) To be clear, I don't want to add storyBook as a display child, and even if I did, the addChild() method would have to be called after instantiation of storyBook, so we'd have the same problem. I know I could set a timer in the vStories class to artificially delay the dispatching of the event, but that seems really hack-ish, and would have a real compounding problem if I have to do it too often as everything builds up. How to make sure custom communication events happen after their listeners are set?
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Sep 18, 2011
I'm writing a SWF that I'd like to communicate with a Java process via Sockets. This is usually quite easy with standard Sockets, but for some reason the events described in the Socket documentation aren't firing when all signs say they should be.
On the Java side, I've set up a ServerSocket that's listening on port 8080. Using netcat I've confirmed it works as designed.[code]...
When I run the resulting SWF, all I get is "Called connect!" on the stage, and none of the events ever fire. Even more strangely, when I investigate the communication from the ServerSocket on the Java end, it receives and accepts a connection. When I close the SWF the code calling my Server completes as normal -- meaning it was hanging on a connection made with my SWF.
I'm left with a few questions...
With the exception of the event handlers, this is the end of control for my code (after the connection is established, we just wait for events and render them appropriately). Could the entire program be "terminating," and I'm just misunderstood about the Runtime model?Are there visibilty/naming requirements for the callbacks for them to be called? They're all public, but could it be that the Runtime isn't seeing them?Are there any gotchas with AS3 Socket programming? I kept thinking this was an issue of sandboxing, etc., but the SECURITY_ERROR didn't fire either.
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Oct 19, 2004
whats the easiest way to code tooltip methods to my different classes I currently have working. for example mylabel.setTooltip("text to show",true); mylabel.removeTooltip();so that any event anywhere could call a tooltip. The tooltip follows your mouse movement basically. If the method was called from an MC and the second parameter which is a boolean is set to true: mylabel.setTooltip("text to show",true);
Then the tooltip would only show while the mouse was over that label, componet or MC. If it moved away it would automatically fire the event to remove it. Due to the urgency of this help im willing to pay a small fee for anyone who can write a quick tooltip .as that does just that.
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Apr 15, 2012
I'm trapping keyboard events on the stage and dispatching custom events through a framework (Mate, though I don't know that this is an important issue), but I'm pretty confused by the scope. The structure is:application (traps keyboard events and dispatches custom event mainPanel (receives dispatched events but mainCalendar (a child element) is null on debugging. Obviously if I try to call a public method on mainCalendar it errors out, even though it's a child of mainPanel. However, mainCalendar is NOT null IF I use FlexGlobals.topLevelApplication.mainPanel.mainCalendar. Outerdocument and parentDocument do not expose mainCalendar either, BTW mainCalendar (a custom component inside mainPanel with public methods. Creation policy is 'all' and it's visible and exists long before I trap any keystrokes at the top level)Could someone take a minute and explain why the mainCalendar is out of scope when mainPanel receives a custom event, even though mainCalendar is a child of mainPanel. Is there a better way to manage the events so I don't have to always address the component via the topLevelApplication?
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Aug 2, 2011
Basically I am trying to create a string Validator which requests a new language from its controller by dispatching an event upon its creation.
The example below is a straight copy from the Flex3 component explorer - the only diffrence being that I have created the validator as a custom component which dispatches an event upon its creation.
The problem is that my main Application cannot hear the event being dispatched and I don't know why.
Here is the example
MyValidator.as
package components
{
import flash.events.Event;
[Code]...
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Jan 11, 2010
I am using a custom component within another custom component in a flex mxml application file.Is it possible to bubble events from an inner component to the outer component and handle events in the outer component?
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Apr 1, 2010
This simple code:
var loa:Loader = new Loader();
loa.contentLoaderInfo.addEventListener(Event.INIT, onLoaderInit);
loa.contentLoaderInfo.addEventListener(Event.COMPLETE, onLoaderComplete);
loa.loadBytes(someByteArray);
Sometimes works, but mostly doesn't. Neither 'onLoaderInit' nor 'onLoaderComplete' fire.
'someByteArray' is always a valid ByteArray, stored in a local SharedObject
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Aug 22, 2011
Can anyone tell me why I would not be getting Netconnection.NetworkChange and Netconnection.Closed events would not be getting fired when I am working on Flash CS5?
I get the Success event, but when I am attempting to test my reconnection code I pull out my network cabled and I never get the closed event.
Interestingly, I do get the Closed and NetworkChange events when I am debugging, but not when I just run the movie.
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May 14, 2007
This is problem is cropping up in Flash CS3 rather than Flex, but it's Actionscript 3.If you paste the code below into the main timeline on frame 1 and test it in Flash, the COMPLETE and INIT events both fire. And in Firefox and Safari it works too. INIT and COMPLETE both fire. But in IE (6 and 7, both with the latest flash player) on a PC only the INIT event fires.
Code:
var debugText:TextField = new TextField()
addChild(debugText)
var onRootLoaderInit = function (event:Event):void{
debugText.text += "INITIATED." + " "
} var onRootLoaderComplete = function (event:Event):void{
debugText.text += "COMPLETE." + " "
} loaderInfo.addEventListener(Event.INIT, onRootLoaderInit);
loaderInfo.addEventListener(Event.COMPLETE, onRootLoaderComplete);
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Nov 5, 2009
I'm using the jpgencoder to save a few thumbnails out from flash. The first time I save an image it works just fine, but the second time I try, the image saves but I get absolutely no events fired off from the URLLoader that I'm using with it. If I refresh and try it again, then again it will work once, but not twice. Here is some sample code of what I'm doing:
Code:
var jpgURLRequest:URLRequest = new URLRequest("JPEGEncoder.php?path="+path);
var loader: URLLoader = new URLLoader();
jpgURLRequest.contentType = 'application/octet-stream';[code]....
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