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import 'package:flutter/material.dart';
import 'package:flutter_blue_plus/flutter_blue_plus.dart';
abstract class NotifyingListWidget<T> extends StatefulWidget {
final List<T> items;
final ValueChanged<T?> onItemSelected;
const NotifyingListWidget({
super.key,
required this.items,
required this.onItemSelected,
});
}
class DeviceScanSelection extends NotifyingListWidget<ScanResult> {
const DeviceScanSelection({
super.key,
required super.items,
required super.onItemSelected,
});
@override
State<DeviceScanSelection> createState() => _DeviceScanSelectionState();
}
class _DeviceScanSelectionState extends State<DeviceScanSelection> {
int selectedResult = -1;
@override
Widget build(BuildContext context) {
return Expanded(
child: ListView.separated(
itemCount: widget.items.length,
itemBuilder: (context, index) {
if (index >= widget.items.length) return null;
final ScanResult result = widget.items[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;
});
widget.onItemSelected(result);
},
selected: selectedResult == index,
);
},
separatorBuilder: (BuildContext context, int index) {
return Divider();
},
),
);
}
}
String firstGiven(List<String> list) {
return list.firstWhere((s) => s.isNotEmpty, orElse: () => "");
}
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