From 53242a20032c054e854f2bf3d94f4a5bd10b0be3 Mon Sep 17 00:00:00 2001
From: uvok
Date: Mon, 21 Jul 2025 19:08:18 +0200
Subject: More BLE handling in second screeen?

---
 lib/device.dart | 44 +++++++++++++++++++++++++++++++++++++++++---
 lib/main.dart   | 27 ++++++---------------------
 2 files changed, 47 insertions(+), 24 deletions(-)

(limited to 'lib')

diff --git a/lib/device.dart b/lib/device.dart
index 5f604c8..eb863ad 100644
--- a/lib/device.dart
+++ b/lib/device.dart
@@ -1,8 +1,10 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_blue_plus/flutter_blue_plus.dart';
 import 'package:logger/logger.dart';
 
 var logger = Logger(printer: PrettyPrinter());
 
+// Is this even needed? I have no idea...
 class Device extends StatelessWidget {
   const Device({super.key});
 
@@ -13,7 +15,9 @@ class Device extends StatelessWidget {
 }
 
 class DeviceScreen extends StatefulWidget {
-  const DeviceScreen({super.key});
+  final BluetoothDevice btDevice;
+
+  const DeviceScreen({super.key, required this.btDevice});
 
   @override
   State<StatefulWidget> createState() {
@@ -24,7 +28,41 @@ class DeviceScreen extends StatefulWidget {
 class DeviceState extends State<DeviceScreen> {
   @override
   Widget build(BuildContext context) {
-    // TODO: implement build
-    throw UnimplementedError();
+    return Scaffold(
+      appBar: AppBar(title: Text("Device details")),
+      body: Center(
+        child: Column(
+          children: [ElevatedButton(onPressed: backClick, child: Text("Back"))],
+        ),
+      ),
+    );
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    _doConnect();
+  }
+
+  void backClick() {
+    Navigator.pop(context);
+  }
+
+  void onConnStateChange(BluetoothConnectionState event) {
+    logger.i("New conn state: ${event.toString()}");
+  }
+
+  void _doConnect() async {
+    final dev = widget.btDevice;
+    var subs = dev.connectionState.listen(onConnStateChange);
+    try {
+      logger.i("Try to connect...");
+      await dev.connect();
+      logger.i("Connected!");
+      await dev.disconnect();
+      logger.i("Disonnected!");
+    } finally {
+      subs.cancel();
+    }
   }
 }
diff --git a/lib/main.dart b/lib/main.dart
index f821106..aef85cf 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -70,28 +70,13 @@ class _MyHomePageState extends State<MyHomePage> {
   static const int noItemSelected = -1;
   int selectedResult = noItemSelected;
 
-  void onConnStateChange(BluetoothConnectionState event) {
-    logger.i("New conn state: ${event.toString()}");
-  }
-
   void _doConnect() async {
     var dev = scanResults[selectedResult].device;
-    var subs = dev.connectionState.listen(onConnStateChange);
-    try {
-      logger.i("Try to connect...");
-      await dev.connect();
-      logger.i("Connected!");
-      await dev.disconnect();
-      logger.i("Disonnected!");
-    } finally {
-      subs.cancel();
-    }
-
     //???
-    // Navigator.push(
-    //   context,
-    //   MaterialPageRoute(builder: (context) => DeviceScreen()),
-    // );
+    Navigator.push(
+      context,
+      MaterialPageRoute(builder: (context) => DeviceScreen(btDevice: dev)),
+    );
   }
 
   void _doScan() async {
@@ -110,14 +95,14 @@ class _MyHomePageState extends State<MyHomePage> {
       if (Platform.isAndroid) {
         await FlutterBluePlus.startScan(
           withKeywords: ["NimBLE"],
-          timeout: Duration(seconds: 5),
+          timeout: Duration(seconds: 3),
         );
       } else {
         // for Linux, which can't do advNames
         // msd doesn't work, either????
         await FlutterBluePlus.startScan(
           withMsd: [MsdFilter(0xffff, data: ascii.encode("uvok"))],
-          timeout: Duration(seconds: 5),
+          timeout: Duration(seconds: 3),
         );
       }
 
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