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POHow to pass parameters to a view that was previously shown in Flex Mobile Project (I cannot use pushView)
 

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  1. POHow to pass parameters to a view that was previously shown in Flex Mobile Project (I cannot use pushView)
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    <p>I have a Flex Mobile Project that I am working on. I am trying to pass parameters from one view to another. The only problem is that I cannot use navigator.pushView to push the View and the parameter as the view I am pushing to was the previous view. So this wipes out using the addHandler() and the returnObjectsCreated() as I cannot use pushView. I am having to use popView because it is my previous view that I have to pass parameters too. Any help would be appreciated.</p> <p>That class that has the parameters I need to pass is below. It is a view that shows a list. So I need to pass list.selectedItem to the popview or previous view...</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;amec:BaseBrowseView xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:amec="com.amec.Components.*" title="Select an item"&gt; &lt;fx:Script&gt; &lt;![CDATA[ import com.amec.BaseSql; import mx.collections.ArrayCollection; import mx.events.FlexEvent; import spark.events.IndexChangeEvent; [Bindable]private var resultArr:ArrayCollection = new ArrayCollection(); protected function myList_changeHandler(event:IndexChangeEvent):void { navigator.popView(); //Either send a ref to the last view or override createReturn } [Bindable(event="myDataChanged")] private function get myData():ArrayCollection { } ]]&gt; &lt;/fx:Script&gt; &lt;s:List id="list" height="100%" width="100%" dataProvider="{myData}" labelField="DMV_VALUE_1" change="myList_changeHandler(event);"&gt; &lt;/s:List&gt; &lt;fx:Declarations&gt; &lt;!-- Place non-visual elements (e.g., services, value objects) here --&gt; &lt;/fx:Declarations&gt; </code></pre> <p></p> <p>Now below is the previous view that I want to popView to that I need to pass parameters to so I can populate the TextInput with.</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;amec:BaseControl xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:amec="com.amec.Components.*" horizontalCenter="true"&gt; &lt;fx:Script&gt; &lt;![CDATA[ import mx.events.FlexEvent; [Bindable] protected var textValue:String; protected function control_creationCompleteHandler(event:FlexEvent):void { // todo: get control data from view.data } protected function control_clickHandler(event:MouseEvent):void { parentView.navigator.pushView(TextListView); } ]]&gt; &lt;/fx:Script&gt; &lt;s:Label text="Robert says something meaningful goes here" /&gt; &lt;s:TextInput id="ns" text="{textValue}" editable="false" click="control_clickHandler(event)"/&gt; &lt;fx:Declarations&gt; &lt;!-- Place non-visual elements (e.g., services, value objects) here --&gt; &lt;/fx:Declarations&gt; </code></pre> <p></p> <p>Again I cannot use pushView as the view is already on the stack.</p>
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    1. COStore the data in some application-wide scope; such as a static var or in a Dependency Injected value.
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    2. COBy the way Depency Injection requires a framework which would be a little much work for simply passing a parameter, there was also eventListeners but they tend to have issues with Garbage Collection based on reference, so I went with a Singleton approach.
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