Improve efficiency of data fetching

lib/view/page/home.dart

@@ -65,6 +65,7 @@ class _MyHomePageState extends State<MyHomePage>
   void didChangeAppLifecycleState(AppLifecycleState state) {
     super.didChangeAppLifecycleState(state);
     if (state == AppLifecycleState.paused) {
+      _serverProvider.setDisconnected();
       _serverProvider.stopAutoRefresh();
     }
     if (state == AppLifecycleState.resumed) {
@@ -90,9 +91,11 @@ class _MyHomePageState extends State<MyHomePage>
         ),
       ),
       drawer: _buildDrawer(),
-      body: TabBarView(
-          controller: _tabController,
-          children: const [ServerPage(), ConvertPage(), PingPage()]),
+      body: TabBarView(controller: _tabController, children: [
+        ServerPage(_tabController),
+        const ConvertPage(),
+        const PingPage()
+      ]),
     );
   }
 

lib/view/page/ping.dart

@@ -48,7 +48,8 @@ class _PingPageState extends State<PingPage>
               buildInput(context, _textEditingController,
                   maxLines: 1, hint: 'Type here.'),
               _buildControl(),
-              buildInput(context, _textEditingControllerResult, hint: 'Result here.'),
+              buildInput(context, _textEditingControllerResult,
+                  hint: 'Result here.'),
             ])),
         onTap: () => FocusScope.of(context).requestFocus(FocusNode()),
       ),
@@ -73,46 +74,46 @@ class _PingPageState extends State<PingPage>
         child: InkWell(
           onTap: () => FocusScope.of(context).unfocus(),
           child: Row(
-          mainAxisAlignment: MainAxisAlignment.spaceAround,
-          children: [
-            TextButton(
-              style: ButtonStyle(
-                  foregroundColor: MaterialStateProperty.all(primaryColor)),
-              child: Row(
-                children: const [
-                  Icon(Icons.stop),
-                  SizedBox(
-                    width: 7,
-                  ),
-                  Text('Stop')
-                ],
+            mainAxisAlignment: MainAxisAlignment.spaceAround,
+            children: [
+              TextButton(
+                style: ButtonStyle(
+                    foregroundColor: MaterialStateProperty.all(primaryColor)),
+                child: Row(
+                  children: const [
+                    Icon(Icons.stop),
+                    SizedBox(
+                      width: 7,
+                    ),
+                    Text('Stop')
+                  ],
+                ),
+                onPressed: () {
+                  if (_ping != null) _ping!.stop();
+                },
               ),
-              onPressed: () {
-                if (_ping != null) _ping!.stop();
-              },
-            ),
-            TextButton(
-              style: ButtonStyle(
-                  foregroundColor: MaterialStateProperty.all(primaryColor)),
-              child: Row(
-                children: const [
-                  Icon(Icons.play_arrow),
-                  SizedBox(
-                    width: 7,
-                  ),
-                  Text('Start')
-                ],
-              ),
-              onPressed: () {
-                try {
-                  doPing();
-                } catch (e) {
-                  showSnackBar(context, Text('Error: \n$e'));
-                }
-              },
-            )
-          ],
-        ),
+              TextButton(
+                style: ButtonStyle(
+                    foregroundColor: MaterialStateProperty.all(primaryColor)),
+                child: Row(
+                  children: const [
+                    Icon(Icons.play_arrow),
+                    SizedBox(
+                      width: 7,
+                    ),
+                    Text('Start')
+                  ],
+                ),
+                onPressed: () {
+                  try {
+                    doPing();
+                  } catch (e) {
+                    showSnackBar(context, Text('Error: \n$e'));
+                  }
+                },
+              )
+            ],
+          ),
         ),
       ),
     );

lib/view/page/server/tab.dart

@@ -17,7 +17,8 @@ import 'package:toolbox/view/page/server/detail.dart';
 import 'package:toolbox/view/page/server/edit.dart';
 
 class ServerPage extends StatefulWidget {
-  const ServerPage({Key? key}) : super(key: key);
+  final TabController tabController;
+  const ServerPage(this.tabController, {Key? key}) : super(key: key);
 
   @override
   _ServerPageState createState() => _ServerPageState();
@@ -45,6 +46,9 @@ class _ServerPageState extends State<ServerPage>
     _media = MediaQuery.of(context);
     _theme = Theme.of(context);
     _primaryColor = primaryColor;
+    if (widget.tabController.index == 0) {
+        FocusScope.of(context).unfocus();
+      }
   }
 
   @override

lib/view/page/setting.dart

@@ -194,7 +194,6 @@ class _SettingPageState extends State<SettingPage> {
         child: Text(
           tabs[_launchPageIdx],
           style: textStyle,
-          textScaleFactor: 1.0,
           textAlign: TextAlign.right,
         ),
       ),