Longer version of the REST login w/ SOAP for Flex-RESTKit

loginsoap.as

<?xml version="1.0" encoding="utf-8"?>
<s:WindowedApplication 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:salesforce1="com.salesforce.*"
					   creationComplete="login();"
					   >
	<fx:Declarations>
		<salesforce1:Connection id="force" />
	</fx:Declarations>
	<fx:Script>
		<![CDATA[
			import com.force.http.rest.RESTConnection;
			import com.force.utility.util;
			
			import mx.collections.ArrayCollection;
			import mx.controls.Alert;
			import mx.rpc.AsyncResponder;
			import mx.utils.ObjectUtil;
			
			import com.salesforce.AsyncResponder;
			import com.salesforce.objects.LoginRequest;
			import com.salesforce.results.LoginResult;
			import com.salesforce.results.QueryResult;
			
			
			public var rest:RESTConnection;
			
			public function login():void {
				var lr:LoginRequest = new LoginRequest();
				lr.username = 'YOUR USERNAME';
				lr.password = 'YOUR PASSWORD';
				lr.callback = new com.salesforce.AsyncResponder(doQuery,showError);
				
				force.login(lr); 
			
			}
			
			//ACCESS DATA
			private function doQuery(result:LoginResult):void {
				rest = new RESTConnection();
				rest.setSession(result.sessionId,result.serverUrl);
				rest.query("SELECT ID, Name from Contact LIMIT 5",new mx.rpc.AsyncResponder(queryHandler,com.force.utility.util.genericError));
			}
			
			private function queryHandler(queryResult:Array, token:Object):void {
				Alert.show(queryResult.length.toString());
			}
			
			private function showError(error:Object):void {
				Alert.show(ObjectUtil.toString(error));
			}
		]]>
	</fx:Script>
</s:WindowedApplication>