air mobile andriod ios 頁面載入控制項

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通過最近的研究flex 書寫android 、ios申請書，我們遇到了一個問題載入頁面，我們用flex sdk 12,air 15 無級似android ListView呼叫模組。所以，我和我的同事們寫了一，效果依然能夠，拖動重新整理，向下拖動負載。走，假設你有更好的通知我一聲，代碼就直接帖出來吧。

<?xml version="1.0" encoding="utf-8"?><s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"   xmlns:s="library://ns.adobe.com/flex/spark"   applicationComplete="init()"><fx:Declarations><s:ArrayCollection id="_ac"/><s:Fade id="_fadeIn" alphaFrom="0" alphaTo="1" duration="500"/></fx:Declarations><fx:Script><![CDATA[import mx.events.PropertyChangeEvent;private static const PADDING:uint = 15;private function init():void {updateList();_list.dataGroup.addEventListener(PropertyChangeEvent.PROPERTY_CHANGE, handleScroll);}private function handleScroll(event:PropertyChangeEvent):void {if (_busy.visible || _busy_x.visible || event.source != event.target || event.property != 'verticalScrollPosition') {return;}//下拉 載入 if (event.newValue < -3 * PADDING && event.oldValue >= -3 * PADDING) {_hintDown.visible = true;_hintUp.visible = false;_fadeIn.play([_hintDown]);} else if (event.newValue < -6 * PADDING && event.oldValue >= -6 * PADDING) {_hintDown.visible = false;_hintUp.visible = true;_fadeIn.play([_hintUp]);} else if (event.newValue >= -6 * PADDING && event.oldValue < -6 * PADDING) {_hintDown.visible = true;_hintUp.visible = false;_fadeIn.play([_hintDown]);} else if (event.newValue >= -3 * PADDING && event.oldValue < -3 * PADDING) {_hintDown.visible = false;_hintUp.visible = false;}//上拉重新整理 載入 if (event.newValue < 3 * PADDING && event.oldValue >= 3 * PADDING) {_hintDown_up.visible = false;_hintUp_up.visible = false;} else if (event.newValue < 6 * PADDING && event.oldValue >= 6 * PADDING) {_hintDown_up.visible = false;_hintUp_up.visible = false;}else if (event.newValue >= 6 * PADDING && event.oldValue < 6 * PADDING) {_hintDown_up.visible = false;_hintUp_up.visible = true;_fadeIn.play([_hintUp_up]);}else if (event.newValue >= 3 * PADDING && event.oldValue < 3 * PADDING) {_hintDown_up.visible = true;_hintUp_up.visible = false;_fadeIn.play([_hintDown_up]);}}private function startLoading(event:MouseEvent):void {//下拉 載入方法if (_hintUp.visible) {_busy.includeInLayout = _busy.visible = true;if(_hintDown.visible)_busy_x.includeInLayout = _busy_x.visible = true;setTimeout(updateList, 1000);}_hintDown.visible = false;_hintUp.visible = false;//上拉 載入方法if (_hintUp_up.visible) {_busy_x.includeInLayout = _busy_x.visible = true;if(_hintDown_up.visible)_busy_x.includeInLayout = _busy_x.visible = true;setTimeout(updateList, 1000);}_hintDown_up.visible = false;_hintUp_up.visible = false;}private function updateList():void {_ac.source = new Array();for (var i:int = 0; i < 10; i++) {_ac.source.push(Math.random());}_ac.refresh();_busy.includeInLayout = _busy.visible = false;_busy_x.includeInLayout = _busy_x.visible = false;}]]></fx:Script><s:VGroup width="100%" ><s:HGroup id="_busy" visible="false" width="100%" horizontalAlign="center"  includeInLayout="false" verticalAlign="middle"><s:BusyIndicator height="30"/><s:Label text="載入資料..." fontSize="20"/></s:HGroup><s:List id="_list" width="100%" contentBackgroundColor="#FFFFFF" dataProvider="{_ac}"mouseUp="startLoading(event)"/><s:HGroup id="_busy_x" visible="false" width="100%" horizontalAlign="center"  includeInLayout="false" verticalAlign="middle"><s:BusyIndicator height="30"/><s:Label text="載入資料..." fontSize="20"/></s:HGroup></s:VGroup><s:Label id="_hintDown" visible="false" width="100%" paddingTop="{PADDING}" text="↓ 下拉重新整理 ↓" fontSize="20" textAlign="center"/> <s:Label id="_hintUp" visible="false" width="100%" paddingTop="{PADDING}" text="↑ 鬆手重新整理 ↑" fontSize="20" textAlign="center"/><s:Label id="_hintDown_up" visible="false" bottom="0" width="100%" text="↑ 上拉重新整理 ↑" fontSize="20" textAlign="center"/><s:Label id="_hintUp_up" visible="false" bottom="0" width="100%" text="↓ 鬆手重新整理 ↓" fontSize="20" textAlign="center"/></s:Application>

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air mobile andriod ios 頁面載入控制項