Feat/parse yaml

android/gradle.properties

@@ -1 +1 @@
-org.gradle.jvmargs=-Xmx1536M
+org.gradle.jvmargs=-Xmx4g

lib/main.dart

@@ -1,4 +1,10 @@
+import 'dart:async';
+import 'dart:io';
+import 'package:path_provider/path_provider.dart';
+
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
+import 'package:yaml/yaml.dart';
 
 void main() => runApp(MyApp());
 
@@ -20,7 +26,7 @@ class MyApp extends StatelessWidget {
         // is not restarted.
         primarySwatch: Colors.blue,
       ),
-      home: MyHomePage(title: 'Flutter Demo Home Page'),
+      home: MyHomePage(title: 'DevFest'),
     );
   }
 }
@@ -44,17 +50,18 @@ class MyHomePage extends StatefulWidget {
 }
 
 class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
+  static var httpClient = new HttpClient();
 
-  void _incrementCounter() {
-    setState(() {
-      // This call to setState tells the Flutter framework that something has
-      // changed in this State, which causes it to rerun the build method below
-      // so that the display can reflect the updated values. If we changed
-      // _counter without calling setState(), then the build method would not be
-      // called again, and so nothing would appear to happen.
-      _counter++;
-    });
+  Future<dynamic> _downloadFile(String url, String filename) async {
+    var request = await httpClient.getUrl(Uri.parse(url));
+    var response = await request.close();
+    var bytes = await consolidateHttpClientResponseBytes(response);
+    String dir = (await getApplicationDocumentsDirectory()).path;
+    File file = new File('$dir/$filename');
+    await file.writeAsBytes(bytes);
+    var content = await readFile(file);
+    var doc = loadYaml(content);
+    return doc;
   }
 
   @override
@@ -71,41 +78,59 @@ class _MyHomePageState extends State<MyHomePage> {
         // the App.build method, and use it to set our appbar title.
         title: Text(widget.title),
       ),
-      body: Center(
-        // Center is a layout widget. It takes a single child and positions it
-        // in the middle of the parent.
-        child: Column(
-          // Column is also layout widget. It takes a list of children and
-          // arranges them vertically. By default, it sizes itself to fit its
-          // children horizontally, and tries to be as tall as its parent.
-          //
-          // Invoke "debug painting" (press "p" in the console, choose the
-          // "Toggle Debug Paint" action from the Flutter Inspector in Android
-          // Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
-          // to see the wireframe for each widget.
-          //
-          // Column has various properties to control how it sizes itself and
-          // how it positions its children. Here we use mainAxisAlignment to
-          // center the children vertically; the main axis here is the vertical
-          // axis because Columns are vertical (the cross axis would be
-          // horizontal).
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: <Widget>[
-            Text(
-              'You have pushed the button this many times:',
-            ),
-            Text(
-              '$_counter',
-              style: Theme.of(context).textTheme.display1,
-            ),
-          ],
-        ),
-      ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: Icon(Icons.add),
-      ), // This trailing comma makes auto-formatting nicer for build methods.
+      body: FutureBuilder(
+          future: _downloadFile(
+              "https://raw.githubusercontent.com/GDG-Zagreb/zeppelin/gh-pages/_data/sessions.yml",
+              "sessions.yml"),
+          builder: (context, response) {
+            print(response.data);
+            return ListView.builder(
+                itemCount: response.data.length,
+                itemBuilder: (context, index) {
+                  var item = response.data[index];
+                  String subtype = item["subtype"];
+                  String complexity = item["complexity"];
+                  var color;
+                  switch (complexity) {
+                    case "Beginner":
+                      color = Colors.green[800];
+                      break;
+                    case "Intermediate":
+                      color = Colors.yellow[800];
+                      break;
+                    default:
+                      color = Colors.blue[800];
+                      break;
+                  }
+                  return ListTile(
+                      title: Row(
+                          crossAxisAlignment: CrossAxisAlignment.center,
+                          children: <Widget>[
+                            Expanded(
+                                child: Padding(
+                              padding: const EdgeInsets.only(right: 8.0),
+                              child: Text(item["title"]),
+                            )),
+                          ]),
+                      subtitle: Text(
+                        item["description"] != null
+                            ? item["description"]
+                            : '',
+                        maxLines: 1,
+                        overflow: TextOverflow.ellipsis,
+                      ),
+                      trailing: Icon(Icons.hearing, color: color),
+                      onTap: () {
+                        print(item["title"]);
+                      },
+                  );
+                });
+          }),
     );
   }
+
+  Future<String> readFile(File stored) async {
+    String contents = await stored.readAsString();
+    return contents;
+  }
 }

pubspec.yaml

@@ -19,6 +19,8 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^0.1.2
+  path_provider: ^0.5.0
+  yaml: ^2.1.15
 
 dev_dependencies:
   flutter_test: