added first future http get, not working yet

android/app/src/main/AndroidManifest.xml

@@ -31,4 +31,6 @@
             android:name="flutterEmbedding"
             android:value="2" />
     </application>
+    <!-- Required to fetch data from the internet. -->
+    <uses-permission android:name="android.permission.INTERNET" />
 </manifest>

lib/configuration.dart

 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
+import 'package:http/http.dart' as http;
+import 'dart:convert';
+
+class Collection {
+  final int id;
+  final String description;
+  final String collectionName;
+
+  const Collection({
+    required this.id,
+    required this.description,
+    required this.collectionName,
+  });
+
+  factory Collection.fromJson(Map<String, dynamic> json) {
+    return Collection(
+      id: json['id'],
+      collectionName: json['collectionName'],
+      description: json['description'],
+    );
+  }
+}
+
+Future<Collection> fetchCollection() async {
+  print("Start HTTP GET++##");
+
+  final response = await http
+      .get(Uri.parse('https://sensor.awi.de/rest/sensors/collections/getCollection/22'));
+
+  if (response.statusCode == 200) {
+    // If the server did return a 200 OK response,
+    // then parse the JSON.
+    return Collection.fromJson(jsonDecode(response.body));
+  } else {
+    // If the server did not return a 200 OK response,
+    // then throw an exception.
+    throw Exception('Failed to load Collection');
+  }
+}
 
 
 class Configuration extends StatefulWidget {
@@ -18,12 +57,16 @@ class _MyHomePageState extends State<Configuration> {
     '100',
   ];
 
-  late Future<String> eventTypes;
+
+  late Future<Collection> futureCollection;
 
   @override
   void initState() {
     super.initState();
+    futureCollection = fetchCollection();
   }
+  late Future<String> eventTypes;
+
 
   void _incrementCounter() {
     setState(() {
@@ -80,7 +123,18 @@ class _MyHomePageState extends State<Configuration> {
                 });
               },
             ),
-            Text('blabla'),
+            FutureBuilder<Collection>(
+              future: futureCollection,
+              builder: (context, snapshot){
+                if (snapshot.hasData)
+                  {
+                    return Text(snapshot.data!.collectionName);
+                  }
+                else{
+                  return CircularProgressIndicator();
+                }
+              }
+            ),
           ],
         ),
       ),

lib/datamodel.dart

@@ -83,6 +83,7 @@ abstract class DeviceStoreBase {
 
 abstract class EventStoreBase{
   List<Event> store = [];
+
 }
 
 abstract class EventCurrentBase{
@@ -91,6 +92,15 @@ abstract class EventCurrentBase{
 
 abstract class EventTypeStoreBase{
   List<EventType> store = [];
+
+  int getEventIdFromName(String name) {
+    for (var eventType in store) {
+      if (eventType.name == name) {
+        return eventType.id;
+      }
+    }
+    throw Exception('Event with name :' + name + ' was not found.');
+  }
 }
 
 class EventStoreInstance extends EventStoreBase {

pubspec.lock

@@ -93,6 +93,20 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  http:
+    dependency: "direct main"
+    description:
+      name: http
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.13.4"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.0.0"
   js:
     dependency: transitive
     description:

pubspec.yaml

@@ -31,6 +31,7 @@ dependencies:
     sdk: flutter
 
   shared_preferences: ^2.0.12
+  http: ^0.13.4
 
 
   # The following adds the Cupertino Icons font to your application.