lib/server.dart

@@ -5,9 +5,9 @@ enum ServerStatus{
 class Server {
   String uri;
   String displayName;
-  ServerStatus status;
+  ServerStatus status = ServerStatus.unknown;
 
-  Server(this.uri, this.displayName);
+  Server(this.displayName,this.uri,);
 
 
 }

lib/serverlist.dart

@@ -1,6 +1,8 @@
 import 'dart:async';
+import 'dart:math';
 
 import 'package:flutter/material.dart';
+import 'package:server_pinger/server.dart';
 
 class ServerList extends StatefulWidget {
   ServerList({Key key, this.title}) : super(key: key);
@@ -21,10 +23,52 @@ class ServerList extends StatefulWidget {
 }
 
 class _ServerListState extends State<ServerList> {
-  void _incrementCounter() {
+
-    setState(() {});
+
+  List<Server> server = [
+    new Server(
+      "example.com",
+      "http://example.com",
+    ),
+    new Server(
+      "youtube.com",
+      "https://youtube.com",
+    ),
+    new Server(
+      "My VPS",
+      "https://vps1.kescher.at",
+    ),
+    new Server(
+      "Raspberry Pi",
+      "https://pi.kescher.at/isup",
+    )
+  ];
+
+  Timer timer;
+  Random rnd = new Random();
+
+
+  _ServerListState(){
+
+    timer = new Timer.periodic(new Duration(seconds: 5), (timer){
+      server.forEach(_updateServerStatus);
+    });
   }
 
+  void _updateServerStatus(Server server){
+    setState(() {
+      server.status=ServerStatus.values[rnd.nextInt(ServerStatus.values.length-1)+1];
+    });
+  }
+
+  void _updateUI() {
+    setState(() {
+
+    });
+  }
+
+
+
   @override
   Widget build(BuildContext context) {
     // This method is rerun every time setState is called, for instance as done
@@ -62,31 +106,24 @@ class _ServerListState extends State<ServerList> {
         ),
       ),
       floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
+        onPressed: _updateUI,
         tooltip: 'Increment',
         child: Icon(Icons.add),
       ), // This trailing comma makes auto-formatting nicer for build methods.
     );
   }
 
+
+
   List<Widget> _createChildren() {
-    List<String> shownIdentifier = [
-      "example.com",
-      "youtube.com",
-      "My VPS",
-      "Raspberry Pi"
-    ];
-    List<String> url = [
-      "http://example.com",
-      "https://youtube.com",
-      "https://vps1.kescher.at",
-      "https://pi.kescher.at/isup"
-    ];
     List<String> status = ["ON", "OFF?", "ON", "ON"];
-    return new List<Widget>.generate(shownIdentifier.length, (int index) {
+    return new List<Widget>.generate(server.length, (int index) {
       return Container(
         height: 75,
-        width: MediaQuery.of(context).size.width,
+        width: MediaQuery
+            .of(context)
+            .size
+            .width,
         margin: EdgeInsets.all(2.0),
         padding: EdgeInsets.all(10.0),
         decoration: BoxDecoration(
@@ -100,7 +137,7 @@ class _ServerListState extends State<ServerList> {
             child: Align(
               alignment: Alignment.centerLeft,
               child: Text(
-                shownIdentifier[index],
+                server[index].displayName,
                 style: TextStyle(fontSize: 24),
               ),
             ),
@@ -109,7 +146,7 @@ class _ServerListState extends State<ServerList> {
             width: 75,
             child: Align(
               alignment: Alignment.center,
-              child: _generateIcon(),
+              child: _generateIcon(server[index]),
 //              child: Text(
 //                status[index],
 //                style: TextStyle(fontSize: 24),
@@ -121,12 +158,22 @@ class _ServerListState extends State<ServerList> {
     });
   }
 
-  Icon _generateIcon() {
+  Icon _generateIcon(Server server) {
-    Icon icon = new Icon(
+    if (server.status == ServerStatus.unknown)
+      return new Icon(
         Icons.check_box_outline_blank,
         color: Colors.yellow,
       );
-    new Timer.periodic(new Duration(milliseconds: 500), (timer) {});
+    else if(server.status == ServerStatus.responding)
-    return icon;
+      return new Icon(
+        Icons.check_box,
+        color: Colors.green,
+      );
+    else
+      return new Icon(
+        Icons.indeterminate_check_box,
+        color: Colors.red,
+      );
   }
+
 }