Replace custom list by widget

1 files changed, 16 insertions, 33 deletions

diff --git a/lib/main.dart b/lib/main.dart
index f04c381..476d6a7 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -3,6 +3,7 @@ import 'dart:convert';
 import 'dart:io' show Platform;
 
 import 'package:badge/device.dart';
+import 'package:badge/device_scan_select.dart';
 import 'package:flutter/material.dart';
 
 import 'package:permission_handler/permission_handler.dart';
@@ -67,11 +68,12 @@ class MyHomePage extends StatefulWidget {
 class _MyHomePageState extends State<MyHomePage> {
   final List<ScanResult> scanResults = [];
   bool isScanning = false;
-  static const int noItemSelected = -1;
-  int selectedResult = noItemSelected;
+
+  ScanResult? selectedDevice;
 
   void _doConnect() async {
-    var dev = scanResults[selectedResult].device;
+    var dev = selectedDevice?.device;
+    if (dev == null) return;
     //???
     Navigator.push(
       context,
@@ -91,7 +93,7 @@ class _MyHomePageState extends State<MyHomePage> {
     setState(() {
       scanResults.clear();
       isScanning = true;
-      selectedResult = noItemSelected;
+      setState(() {});
     });
     var subscription = FlutterBluePlus.onScanResults.listen(
       onScanResult,
@@ -127,7 +129,11 @@ class _MyHomePageState extends State<MyHomePage> {
   void onScanResult(List<ScanResult> results) {
     if (results.isNotEmpty) {
       //ScanResult r = results.last; // the most recently found device
-      for (var r in results.where((d) => d.rssi > -90)) {
+      for (var r in results.where(
+        (d) =>
+            d.rssi > -90 &&
+            !scanResults.any((ed) => ed.device.remoteId == d.device.remoteId),
+      )) {
         logger.i(
           '${r.device.remoteId}: "${r.device.platformName}" / "${r.device.advName}" / "${r.advertisementData.advName}" found!',
         );
@@ -210,7 +216,7 @@ class _MyHomePageState extends State<MyHomePage> {
                   child: isScanning ? Text("Scanning...") : Text("Start scan"),
                 ),
                 ElevatedButton(
-                  onPressed: (selectedResult == noItemSelected || isScanning)
+                  onPressed: (selectedDevice == null || isScanning)
                       ? null
                       : _doConnect,
                   child: Text("Connect"),
@@ -218,33 +224,10 @@ class _MyHomePageState extends State<MyHomePage> {
               ],
             ),
             Expanded(
-              child: ListView.separated(
-                itemCount: scanResults.length,
-                itemBuilder: (context, index) {
-                  if (index >= scanResults.length) return null;
-                  final ScanResult result = scanResults[index];
-                  final String name = firstGiven([
-                    result.device.advName,
-                    result.device.platformName,
-                    "<Unknown>",
-                  ]);
-
-                  return ListTile(
-                    title: Text(name),
-                    subtitle: Text(result.device.remoteId.str),
-                    trailing: Text('RSSI: ${result.rssi}'),
-                    selectedTileColor: Colors.amber,
-                    selectedColor: Colors.black,
-                    onTap: () {
-                      setState(() {
-                        selectedResult = index;
-                      });
-                    },
-                    selected: selectedResult == index,
-                  );
-                },
-                separatorBuilder: (BuildContext context, int index) {
-                  return Divider();
+              child: DeviceScanSelection(
+                items: scanResults,
+                onItemSelected: (item) {
+                  setState(() => selectedDevice = item);
                 },
               ),
             ),