完成 上拉下拉刷新页面

lib/pages/message/home/message_home.dart

@@ -17,33 +17,34 @@ class _MessageHomePageState extends State<MessageHomePage> {
   List<ListItem> messageList = List<ListItem>();
   List<ListItem>  dataArr = List<ListItem>();
   int pageIndex = 1;
+   List<String> data1 = [];
 
   RefreshController _refreshController =
       RefreshController(initialRefresh: true);
 
   void _onRefresh() async{
-  //  dataArr = await  _fetchListData();
-  //  if (mounted) setState(() {
-  //    dataArr = dataArr;
-  //  });
-  //  _refreshController.refreshCompleted();
+    pageIndex = 1;
+   List<ListItem> newdataArr = List<ListItem>();
+   newdataArr = await  _fetchListData();
+   if (mounted) setState(() {
+     dataArr = newdataArr;
+   });
+   _refreshController.refreshCompleted();
   }
 
   void _onLoading() async{
-    // monitor network fetch
-  //   pageIndex ++;
-  //   List<ListItem>  newData = List<ListItem>();
-  //   newData = await _fetchMesssageList();
-  //   this.dataArr.addAll(newData);
-  //   if (mounted) setState(() {
-  //    dataArr = dataArr;
-  //  });
-  //   _refreshController.loadComplete();
+    pageIndex ++;
+    List<ListItem>  newData = List<ListItem>();
+    newData = await _fetchMesssageList();
+    if (mounted) setState(() {
+      this.dataArr.addAll(newData);
+    });
+    _refreshController.loadComplete();
   }
 
   Future<List<ListItem>> _fetchMesssageList() async {
     List<Message> messageList = List<Message>();
-    BaseResp<List> baseresp = await DioUtil().request<List>(Method.get, "api/v1/reply/my", queryParameters: {'page': 1, 'count': 10});
+    BaseResp<List> baseresp = await DioUtil().request<List>(Method.get, "api/v1/reply/my", queryParameters: {'page': pageIndex, 'count': 10});
     if (baseresp.code != 0) {
       return new Future.error(baseresp.msg);
     }
@@ -99,59 +100,31 @@ class _MessageHomePageState extends State<MessageHomePage> {
 
   @override
   Widget build(BuildContext context) {
-    return new Scaffold(
-      // appBar: new AppBar(
-      //   title: new Text('消息'),
-      // ),
-      // floatingActionButton: new FloatingActionButton(
-      //     onPressed: () {
-      //       _fetchListData();
-      //     },
-      //     child: new Icon(Icons.add_box),
-      //     elevation: 3.0,
-      //     highlightElevation: 2.0,
-      //     backgroundColor: Colors.red,        // 红色
-      //   ),
-        body: new Container(
-          child: SmartRefresher(
-          // enablePullDown: false,
-          enablePullUp: true,
-          // header: WaterDropHeader(),
+    return Scaffold(
+      appBar: new AppBar(
+        title: new Text('消息'),
+      ),
+      body: new Container(
+        child: SmartRefresher(
+          child: _createListView(),
           controller: _refreshController,
-          // onRefresh: _onRefresh,
-          onLoading: _onLoading,
-
-          // footer: ClassicFooter(),
-          child: FutureBuilder(
-            future: _fetchListData(),
-            builder: (context, snapshot) {
-              switch (snapshot.connectionState) {
-                  case ConnectionState.none:
-                    return new Container(height:0.0,width:0.0);
-                  break;
-                  case ConnectionState.waiting:
-                    return new Container(height:0.0,width:0.0);
-                  break;
-                  case ConnectionState.active:
-                    return new Container(height:0.0,width:0.0);
-                  break;
-                  default:
-                    if (snapshot.hasData) {
-                      return _createListView(context, snapshot);
-                    } else {
-                      return new Container(height:0.0,width:0.0);
-                    }
-              }
-            },
-          ),
-        ),
-        )
+          enablePullDown:  true,
+          enablePullUp: true,
+          header: WaterDropHeader(),
+          onRefresh: (){
+            _onRefresh();
+          },
+          onLoading: () {
+            _onLoading();
+          }
+      ),
+      )
     );
   }
   
 
-  Widget _createListView(BuildContext context, AsyncSnapshot snapshot) {
-    List<ListItem> dataArr = snapshot.data;
+  Widget _createListView() {
+    List<ListItem> dataArr = this.dataArr;
     return ListView.builder(
       shrinkWrap: true,
       key: new PageStorageKey('message-list'),
@@ -168,5 +141,4 @@ class _MessageHomePageState extends State<MessageHomePage> {
       },
     );
   }
-
-  }
+}
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