Peter, The likely issue is that the feature layer is not yet loaded when you are attempting to run the query. You need to ensure the layer is loaded first.<?xml version="1.0" encoding="utf-8"?>
<!--
////////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2010 ESRI
//
// All rights reserved under the copyright laws of the United States.
// You may freely redistribute and use this software, with or
// without modification, provided you include the original copyright
// and use restrictions. See use restrictions in the file:
// <install location>/License.txt
//
////////////////////////////////////////////////////////////////////////////////
-->
<viewer:BaseWidget xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx"
xmlns:viewer="com.esri.viewer.*"
widgetConfigLoaded="init()">
<fx:Script>
<![CDATA[
import com.esri.ags.FeatureSet;
import com.esri.ags.events.LayerEvent;
import com.esri.ags.layers.FeatureLayer;
import com.esri.ags.tasks.supportClasses.Query;
import com.esri.viewer.components.HTMLPopup;
import flashx.textLayout.edit.SelectionFormat;
import flashx.textLayout.events.SelectionEvent;
import mx.collections.ArrayCollection;
import mx.collections.SortField;
import mx.controls.Alert;
import mx.rpc.AsyncResponder;
import mx.rpc.events.FaultEvent;
private var content:String;
private var contentStatus:String;
private var btnLabel:String
private var txtareaWidth:Number;
private var txtareaHeight:Number;
private var sSheltersClosedMessage:String;
private var sSheltersOpenMessage:String;
private var fLayer:FeatureLayer
private var statusLayer:FeatureLayer
private function init():void
{
if (configXML)
{
content = configXML.content || "...";
btnLabel = configXML.btnlabel || getDefaultString("okLabel");
txtareaWidth = configXML.width || 500;
txtareaHeight = configXML.height || 500;
sSheltersClosedMessage = configXML.sheltersclosedmessage;
sSheltersOpenMessage = configXML.sheltersopenmessage;
fLayer = new FeatureLayer(configXML.sheltersurl);
fLayer.useAMF = false;
var qry:Query = new Query();
qry.where = "OPEN = 1";
// fLayer.queryFeatures(qry, new AsyncResponder(onResult, onFault));
// Status part
statusLayer = new FeatureLayer("http://gis.co.suffolk.ny.us/ArcGIS/rest/services/EmergencyShelters/MapServer/1");
fLayer.useAMF = false;
statusLayer.addEventListener(LayerEvent.LOAD, execQuery);
}
private function execQuery(evt:Event):void
{
var qryStatus:Query = new Query();
qryStatus.where = "STATUS = 1";
statusLayer.queryFeatures(qryStatus, new AsyncResponder(onResultStatus, onFault));
}
private function onResultStatus(fSet:FeatureSet, token:Object=null):void
{
trace("Result");
if(fSet.features.length > 0)
{
contentStatus = "HERE1";
HTMLPopup.show(contentStatus, btnLabel, txtareaWidth, txtareaHeight);
}
else
{
contentStatus = "HERE";
HTMLPopup.show(contentStatus, btnLabel, txtareaWidth, txtareaHeight);
}
}
private function onResult(fSet:FeatureSet, token:Object=null):void
{
trace("Result");
if(fSet.features.length > 0)
{
content = content.replace("[SHELTERMESSAGETOKEN]", sSheltersOpenMessage);
var arr:Array = new Array();
for(var i:int=0; i<fSet.features.length; i++)
{
arr.push(fSet.attributes.NAME);
}
arr.sort();
var tmp:String = "";
for(i=0; i<arr.length; i++)
{
tmp += arr + "<br>";
}
tmp = tmp += "<br>";
content = content.replace("[OPENSHELTERSTOKEN]", tmp);
var bkgrndColor:String = "0x00FF00";
HTMLPopup.show(content, btnLabel, txtareaWidth, txtareaHeight);
}
else
{
content = content.replace("[SHELTERMESSAGETOKEN]", sSheltersClosedMessage);
HTMLPopup.show(content, btnLabel, txtareaWidth, txtareaHeight);
}
}
private function onFault(info:Object, token:Object = null):void
{
trace("Fault");
}
}
]]>
</fx:Script>
</viewer:BaseWidget>
