semesterprojekt-bluetooth-p.../lib/objects/bluetooth_device_entry.dart

70 lines
2.8 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_bluetooth_serial/flutter_bluetooth_serial.dart';
import 'package:flutter_provisioning_for_iot/objects/bluetooth_object.dart';
import 'package:flutter_provisioning_for_iot/screens/bluetooth_device_settings.dart';
class BluetoothDeviceEntry extends ListTile {
BluetoothDeviceEntry({
super.key,
required BuildContext context,
required BluetoothDeviceSettings settingsPage,
required BluetoothObject bluetoothObject,
required BluetoothDevice device,
GestureTapCallback? onTap,
GestureLongPressCallback? onLongPress,
bool enabled = true,
}) : super(
onTap: onTap,
onLongPress: onLongPress,
enabled: enabled,
leading: bluetoothObject.isConnected
? const Icon(Icons.bluetooth_connected, color: Colors.blue)
: const Icon(Icons.bluetooth),
title: Text(bluetoothObject.name),
subtitle: Text(bluetoothObject.address.toString()),
trailing: Row(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
device.isBonded ? const Icon(Icons.link) : const SizedBox(width: 0, height: 0),
Container(
margin: const EdgeInsets.all(8.0),
child: DefaultTextStyle(
style: _computeTextStyle(bluetoothObject.rssi),
child: Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
Text(bluetoothObject.rssi.toString()),
const Text('dBm'),
],
),
),
),
IconButton(
onPressed: () {
Navigator.push(context,
MaterialPageRoute(builder: (context) => settingsPage)); //const BluetoothDeviceEntry()));
},
icon: const Icon(Icons.settings)),
],
),
);
static TextStyle _computeTextStyle(int rssi) {
/**/ if (rssi >= -35) {
return TextStyle(color: Colors.greenAccent[700]);
} else if (rssi >= -45) {
return TextStyle(color: Color.lerp(Colors.greenAccent[700], Colors.lightGreen, -(rssi + 35) / 10));
} else if (rssi >= -55) {
return TextStyle(color: Color.lerp(Colors.lightGreen, Colors.lime[600], -(rssi + 45) / 10));
} else if (rssi >= -65) {
return TextStyle(color: Color.lerp(Colors.lime[600], Colors.amber, -(rssi + 55) / 10));
} else if (rssi >= -75) {
return TextStyle(color: Color.lerp(Colors.amber, Colors.deepOrangeAccent, -(rssi + 65) / 10));
} else if (rssi >= -85) {
return TextStyle(color: Color.lerp(Colors.deepOrangeAccent, Colors.redAccent, -(rssi + 75) / 10));
} else {
return const TextStyle(color: Colors.redAccent);
}
}
}