73 lines
2.3 KiB
Dart
73 lines
2.3 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_bluetooth_serial/flutter_bluetooth_serial.dart';
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class BluetoothDeviceListEntry extends ListTile {
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BluetoothDeviceListEntry({super.key,
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required BluetoothDevice device,
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int? rssi,
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GestureTapCallback? onTap,
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GestureLongPressCallback? onLongPress,
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bool enabled = true,
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}) : super(
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onTap: onTap,
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onLongPress: onLongPress,
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enabled: enabled,
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leading: Icon(device.isConnected ? Icons.bluetooth_connected : Icons.bluetooth),
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title: Text(device.name ?? "~ UNKNOWN_DEVICE ~"),
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subtitle: Text(device.address.toString()),
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trailing: Row(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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rssi != null
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? Container(
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margin: const EdgeInsets.all(8.0),
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child: DefaultTextStyle(
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style: _computeTextStyle(rssi),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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Text(rssi.toString()),
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const Text('dBm'),
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],
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),
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),
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)
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: const SizedBox(width: 0, height: 0),
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device.isBonded
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? const Icon(Icons.link)
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: const SizedBox(width: 0, height: 0),
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IconButton(
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onPressed: () {},
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icon: const Icon(Icons.settings)
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),
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],
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),
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);
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static TextStyle _computeTextStyle(int rssi) {
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/**/ if (rssi >= -35) {
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return TextStyle(color: Colors.greenAccent[700]);
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} else if (rssi >= -45) {
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return TextStyle(
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color: Color.lerp(
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Colors.greenAccent[700], Colors.lightGreen, -(rssi + 35) / 10));
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} else if (rssi >= -55) {
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return TextStyle(
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color: Color.lerp(
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Colors.lightGreen, Colors.lime[600], -(rssi + 45) / 10));
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} else if (rssi >= -65) {
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return TextStyle(
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color: Color.lerp(Colors.lime[600], Colors.amber, -(rssi + 55) / 10));
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} else if (rssi >= -75) {
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return TextStyle(
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color: Color.lerp(
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Colors.amber, Colors.deepOrangeAccent, -(rssi + 65) / 10));
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} else if (rssi >= -85) {
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return TextStyle(
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color: Color.lerp(
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Colors.deepOrangeAccent, Colors.redAccent, -(rssi + 75) / 10));
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} else {
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return const TextStyle(color: Colors.redAccent);
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}
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}
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} |