Restructure Action Button Logic

lib/main.dart

@@ -68,57 +68,57 @@ class _MyHomePageState extends State<MyHomePage> {
   String _output = '';
   String key = '';
 
-  Future<void> _incrementCounter() async {
+  Future<void> doSSH() async {
-    if (navIndex == 0) {
+    SSHSocket? socket;
-      SSHSocket? socket;
 
-      try {
+    try {
-        socket = await SSHSocket.connect(
+      socket = await SSHSocket.connect(
-          '192.168.2.123',
+        '192.168.2.123',
-          22,
+        22,
-          timeout: const Duration(seconds: 0, milliseconds: 500),
+        timeout: const Duration(seconds: 0, milliseconds: 500),
-        );
-      } on SocketException {
-        setState(() {
-          _output = "SocketException: Could not connect to the server.";
-        });
-        return;
-      }
-
-      try {
-        final client = SSHClient(
-          socket,
-          username: 'test',
-          //onPasswordRequest: () => '123456',
-          identities: List.of(keyPair != null ? [keyPair!] : []),
-        );
-
-        final uptime = await client.run('uptime');
-        setState(() {
-          _output = utf8.decode(uptime);
-        });
-      } catch (e) {
-        setState(() {
-          _output = "Error: $e";
-        });
-        return;
-      }
-    } else {
-      // Generate a key pair
-
-      final generatedKeyPair =
-          await generateKeyPair(); // local variable avoids downcast to ? ptr
-      keyPair = generatedKeyPair;
-
-      setState(() {
-        key = encodePublicKey(generatedKeyPair, comment: "leinelab-app-key");
-      });
-
-      await SystemChannels.platform.invokeMethod<void>(
-        'Clipboard.setData',
-        <String, dynamic>{'text': key},
       );
+    } on SocketException {
+      setState(() {
+        _output = "SocketException: Could not connect to the server.";
+      });
+      return;
     }
+
+    try {
+      final client = SSHClient(
+        socket,
+        username: 'test',
+        //onPasswordRequest: () => '123456',
+        identities: List.of(keyPair != null ? [keyPair!] : []),
+      );
+
+      final uptime = await client.run('uptime');
+      setState(() {
+        _output = utf8.decode(uptime);
+      });
+    } catch (e) {
+      setState(() {
+        _output = "Error: $e";
+      });
+      return;
+    }
+  }
+
+  Future<void> generateKey() async {
+    // Generate a key pair
+
+    final generatedKeyPair =
+        await generateKeyPair(); // local variable avoids downcast to ? ptr
+    keyPair = generatedKeyPair;
+
+    setState(() {
+      key = encodePublicKey(generatedKeyPair, comment: "leinelab-app-key");
+    });
+
+    await SystemChannels.platform.invokeMethod<void>(
+      'Clipboard.setData',
+      <String, dynamic>{'text': key},
+    );
   }
 
   @override
@@ -144,14 +144,29 @@ class _MyHomePageState extends State<MyHomePage> {
       ),
     );
 
+    final actionButtonMain = FloatingActionButton(
+      onPressed: doSSH,
+      tooltip: 'Do SSH',
+      child: const Icon(Icons.computer),
+    );
+
+    final actionButtonInfo = FloatingActionButton(
+      onPressed: generateKey,
+      tooltip: 'Regenerate Key',
+      child: const Icon(Icons.refresh),
+    );
+
     var bodyComponent = bodyComponentMain;
+    var actionButton = actionButtonMain;
 
     if (navIndex == 0) {
       // Main page
       bodyComponent = bodyComponentMain;
+      actionButton = actionButtonMain;
     } else if (navIndex == 1) {
       // Info page
       bodyComponent = bodyComponentInfo;
+      actionButton = actionButtonInfo;
     } else {
       throw Exception('Unknown navIndex: $navIndex');
     }
@@ -159,11 +174,7 @@ class _MyHomePageState extends State<MyHomePage> {
     return Scaffold(
       appBar: AppBar(backgroundColor: Colors.amber, title: Text(widget.title)),
       body: bodyComponent,
-      floatingActionButton: FloatingActionButton(
+      floatingActionButton: actionButton,
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: const Icon(Icons.add),
-      ),
       drawer: Drawer(
         child: ListView(
           padding: EdgeInsets.zero,