How to add WMS servis to arcgis api for flex?
see esri samples
http://help.arcgis.com/en/webapi/flex/samples/index.html?sample=ExtendDynamicLayer_WMS
<esri:Map > <esri:extent> <esri:Extent xmin="115" ymin="-41" xmax="151" ymax="-9"> <esri:SpatialReference wkid="4326"/> </esri:Extent> </esri:extent> <esri:WMSLayer url="http://192.168.1.12:8080/geoserver/wms" imageFormat="png"> <esri:visibleLayers> <s:ArrayList> <fx:String>"topp:states"</fx:String> </s:ArrayList> </esri:visibleLayers> </esri:WMSLayer> </esri:Map>