Track key code : Key Event « Event « Flex






Track key code

Track key code
        

<!--
Code from Flex 4 Documentation "Using Adobe Flex 4".

This user guide is licensed for use under the terms of the Creative Commons Attribution 
Non-Commercial 3.0 License. 

This License allows users to copy, distribute, and transmit the user guide for noncommercial 
purposes only so long as 
  (1) proper attribution to Adobe is given as the owner of the user guide; and 
  (2) any reuse or distribution of the user guide contains a notice that use of the user guide is governed by these terms. 
The best way to provide notice is to include the following link. 
To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/

-->



<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:mx="library://ns.adobe.com/flex/mx"
    xmlns:s="library://ns.adobe.com/flex/spark" creationComplete="initApp();">
    <s:layout>
        <s:VerticalLayout />
    </s:layout>
    <fx:Script>
         
        import mx.core.FlexGlobals; 
        private function initApp():void { 
            FlexGlobals.topLevelApplication.addEventListener(KeyboardEvent.KEY_UP, keyHandler); 
        } 
        private function keyHandler(event:KeyboardEvent):void { 
            t1.text = event.keyCode + "/" + event.charCode; 
        } 
      
    </fx:Script>
    <s:TextInput id="myTextInput" />
    <s:Label id="t1" />
</s:Application>

   
    
    
    
    
    
    
    
  








Related examples in the same category

1.If shift key pressed during dragging overIf shift key pressed during dragging over
2.If control key pressed during draggingIf control key pressed during dragging
3.Trap keys pressed when the focus is on an individual componentTrap keys pressed when the focus is on an individual component
4.Return string based on key codeReturn string based on key code
5.Listen for the combination of the Shift key and key code 80
6.Control all dispatch keyUp events to the keyHandler() event listener functionControl all dispatch keyUp events to the keyHandler() event listener function
7.Key up eventKey up event
8.Show character and key codeShow character and key code
9.Combination of Shift key and q keyCombination of Shift key and q key
10.Dispatch keyUp events to the keyHandler() event listener functionDispatch keyUp events to the keyHandler() event listener function
11.Listen for a Keyboard EventListen for a Keyboard Event
12.Adding Key down handler for ApplicationAdding Key down handler for Application
13.Create the global listener for handling the keyboard eventCreate the global listener for handling the keyboard event
14.Access application's localVar by prefixing it with outerDocument keywordAccess application's localVar by prefixing it with outerDocument keyword
15.Get key code and char code from KeyboardEventGet key code and char code from KeyboardEvent
16.Output string representation for KeyboardEventOutput string representation for KeyboardEvent
17.Output number to char from char code of KeyboardEventOutput number to char from char code of KeyboardEvent
18.Convert number to char from key code of KeyboardEventConvert number to char from key code of KeyboardEvent
19.Event handler for KeyboardEvent.KEY_UP