常用布局、组件、http请求

ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

lib/bottomTabs/colleague.dart

@@ -1,29 +1,102 @@
+import 'dart:convert';
+import 'dart:io';
 import 'package:flutter/material.dart';
+import 'dart:async';
+
+class ColleagueTab extends StatefulWidget {
+  @override
+  ColleagueTabState createState() => ColleagueTabState();
+}
+
+class ColleagueTabState extends State<ColleagueTab> {
+  var _jsonData = '';
+  ScrollController _controller = new ScrollController();
+  bool isPerformingRequest = false; // 是否有请求正在进行
+  List<int> items = List.generate(10, (i) => i);
+
+  @override
+  void initState() {
+    super.initState();
+    _fetchData();
+    _controller.addListener((){
+      if(_controller.position.pixels == _controller.position.maxScrollExtent) {
+        print('下拉加载');
+      }
+    });
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  _fetchData() async {
+    var apiUrl = 'http://v.juhe.cn/toutiao/index?type=top&key=a27aecf7dbae5c7555900e57c8212c46';
+    var httpClient = new HttpClient();
+
+    var result;
+    try {
+      var request = await httpClient.getUrl(Uri.parse(apiUrl));
+      var response = await request.close();
+      if (response.statusCode == HttpStatus.OK) {
+        var jsonStr = await response.transform(utf8.decoder).join();
+        var data = json.decode(jsonStr);
+        result = jsonStr;
+        //print(data);
+      } else {
+        print('response statusCode not equal 200');
+      }
+    } catch (exception) {
+      print('fetch data error: $exception');
+    }
+
+    // If the widget was removed from the tree while the message was in flight,
+    // we want to discard the reply rather than calling setState to update our
+    // non-existent appearance.
+    if (!mounted) return;
+
+    if(result != '') {
+      setState(() {
+        _jsonData = result;        
+      });
+    }
+
+  }
+
+  Future<Null> _onRefresh() {
+    Completer<Null> completer = new Completer<Null>();
+
+    new Timer(new Duration(seconds: 3), () {
+      print("timer complete");
+      completer.complete();
+    });
+
+    return completer.future;
+  }
 
-class ColleagueTab extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
+    // TODO: implement build
     return new Scaffold(
-      // backgroundColor: Colors.red,
-      body: new Container(
-        child: new Center(
-          child: new Column(
-            // center the children
-            mainAxisAlignment: MainAxisAlignment.center,
-            children: <Widget>[
-              new Icon(
-                Icons.school,
-                size: 160.0,
-                color: Colors.black87,
-              ),
-              new Text(
-                "大学",
-                style: new TextStyle(color: Colors.black87),
-              )
-            ],
+      appBar: new AppBar(
+        title: new Text('Http请求'),
+      ),
+      body: new RefreshIndicator(
+        onRefresh: _onRefresh,
+        child: new SingleChildScrollView(
+          controller: _controller,
+          child: new Container(
+            padding: EdgeInsets.all(10),
+            child: new Column(
+              children: <Widget>[
+                Text('下拉刷新'),
+                new Text(_jsonData)
+              ],
+            ),
           ),
         ),
-      ),
+      )
     );
   }
 }

lib/bottomTabs/idea.dart

@@ -1,29 +1,97 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_swiper/flutter_swiper.dart';
 
 class IdeaTab extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return new Scaffold(
       // backgroundColor: Colors.red,
+      appBar: new AppBar(
+        title: new Text('想法'),
+      ),
       body: new Container(
-        child: new Center(
-          child: new Column(
-            // center the children
-            mainAxisAlignment: MainAxisAlignment.center,
-            children: <Widget>[
-              new Icon(
-                Icons.favorite,
-                size: 160.0,
-                color: Colors.black87,
+        child: new Column(
+          crossAxisAlignment: CrossAxisAlignment.stretch,
+          children: <Widget>[
+            new Container(
+              height: 200,
+              child: new _Swiper(),
+            ),
+            new Expanded(
+              child: new Center(
+                child: Container(
+                  child: Text('想法'),
+                ),
               ),
-              new Text(
-                "想法",
-                style: new TextStyle(color: Colors.black87),
-              )
-            ],
-          ),
+            ),
+          ],
         ),
       ),
+      floatingActionButton: new FloatingActionButton(
+        onPressed: (){
+          _showDialog(context);
+        },
+        child: Icon(Icons.edit),
+        //mini: true,
+      ),
     );
   }
+
+  void _showDialog(BuildContext context) {
+    // flutter defined function
+    showDialog(
+      context: context,
+      builder: (BuildContext context) {
+        // return object of type Dialog
+        return AlertDialog(
+          title: Text('Rewind and remember'),
+          content: SingleChildScrollView(
+            child: ListBody(
+              children: <Widget>[
+                Text('You will never be satisfied.'),
+                Text('You\’re like me. I’m never satisfied.'),
+              ],
+            ),
+          ),
+          actions: <Widget>[
+            // usually buttons at the bottom of the dialog
+            new FlatButton(
+              child: new Text("Close"),
+              onPressed: () {
+                Navigator.of(context).pop();
+              },
+            ),
+          ],
+        );
+      },
+    );
+  }
+}
+
+class _Swiper extends StatefulWidget {
+  @override
+  _SwiperState createState() => _SwiperState();
 }
+
+var images = [
+  'https://pic3.zhimg.com/v2-5806d9e33e36fa772c8da56c931bb416_b.jpg',
+  'https://pic1.zhimg.com/50/v2-f355ca177e011626938b479f0e2e3e03_hd.jpg',
+  'https://pic2.zhimg.com/v2-d8e47ed961b93b875ad814104016bdfd_b.jpg'
+];
+
+class _SwiperState extends State<_Swiper> {
+  @override
+  Widget build(BuildContext context) {
+    return new Container(
+      child: new Swiper(
+        itemBuilder: (BuildContext context,int index){
+          return new Image.network(images[index], fit: BoxFit.cover,);
+        },
+        itemCount: 3,
+        pagination: new SwiperPagination(),
+        //control: new SwiperControl(),
+      ),
+    );
+
+  }
+}