Add files via upload

Author: AseemWangoo

futurebuilder_part1.dart

@@ -0,0 +1,87 @@
+import 'package:flutter/material.dart';
+import 'package:http/http.dart' as http; //for making request
+import 'dart:async'; //for asynchronous features
+import 'dart:convert';
+
+void main() {
+  runApp(new MyApp());
+}
+
+class MyApp extends StatefulWidget {
+  @override
+  State<StatefulWidget> createState() {
+    return new MyAppScreenMode();
+  }
+}
+
+class MyAppScreenMode extends State<MyApp> {
+  @override
+  Widget build(BuildContext context) {
+    return new MaterialApp(
+        title: 'Future Builder',
+        theme: new ThemeData(
+          primarySwatch: Colors.blue,
+        ),
+        home: new Scaffold(
+            appBar: new AppBar(
+              title: new Text('Future Builder'),
+            ),
+            body: new Center(
+              child: new MiddleSection(),
+            )));
+  }
+}
+
+class MiddleSection extends StatefulWidget {
+  @override
+  State<StatefulWidget> createState() {
+    return new MiddleSectionState();
+  }
+}
+
+class MiddleSectionState extends State<MiddleSection> {
+  String display;
+
+  Widget futureWidget() {
+    return new FutureBuilder<String>(
+      future: getDataFB(),
+      builder: (context, snapshot) {
+        if (snapshot.hasData) {
+          return new Text(
+            snapshot.data.toString(),
+            textAlign: TextAlign.center,
+            overflow: TextOverflow.ellipsis,
+            style: new TextStyle(fontWeight: FontWeight.bold),
+          );
+        } else if (snapshot.hasError) {
+          return new Text("${snapshot.error}");
+        }
+
+        return new CircularProgressIndicator();
+      },
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return new Container(
+        color: Colors.yellowAccent,
+        width: 250.0,
+        padding: const EdgeInsets.all(10.0),
+        child: new Column(
+            mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+            children: <Widget>[
+              new Text("Future Builder Demo"),
+              futureWidget()
+            ]));
+  }
+}
+
+Future<String> getDataFB() async {
+  http.Response response = await http.get(
+      Uri.encodeFull("https://jsonplaceholder.typicode.com/posts"),
+      headers: {"Accept": "application/json"});
+  List data = JSON.decode(response.body);
+  print(data[1]['title'].toString());
+  return data[1]['title'].toString();
+}