Uso correto de app_colors.dart

This commit is contained in:
2026-03-05 16:56:25 +00:00
parent 85b00f6763
commit 05f54e6a37
5 changed files with 102 additions and 91 deletions

View File

@@ -3,6 +3,7 @@ import 'package:flutter_blue_plus/flutter_blue_plus.dart';
import 'package:permission_handler/permission_handler.dart';
import 'dart:async';
import 'constants/app_colors.dart';
import 'constants/app_strings.dart';
class BluetoothScreen extends StatefulWidget {
const BluetoothScreen({super.key});
@@ -21,18 +22,16 @@ class _BluetoothScreenState extends State<BluetoothScreen> {
void initState() {
super.initState();
// Ouvir os resultados da busca e ordenar
_scanResultsSubscription = FlutterBluePlus.scanResults.listen((results) {
if (mounted) {
// Criar uma cópia da lista e ordenar
List<ScanResult> sortedResults = List.from(results);
sortedResults.sort((a, b) {
bool aHasName = _hasRealName(a);
bool bHasName = _hasRealName(b);
if (aHasName && !bHasName) return -1; // 'a' vem primeiro
if (!aHasName && bHasName) return 1; // 'b' vem primeiro
return 0; // Mantém a ordem original entre iguais
if (aHasName && !bHasName) return -1;
if (!aHasName && bHasName) return 1;
return 0;
});
setState(() {
@@ -41,7 +40,6 @@ class _BluetoothScreenState extends State<BluetoothScreen> {
}
});
// Ouvir o estado da busca
_isScanningSubscription = FlutterBluePlus.isScanning.listen((state) {
if (mounted) {
setState(() {
@@ -51,7 +49,6 @@ class _BluetoothScreenState extends State<BluetoothScreen> {
});
}
// Função auxiliar para verificar se tem nome real
bool _hasRealName(ScanResult r) {
return r.advertisementData.advName.isNotEmpty || r.device.platformName.isNotEmpty;
}
@@ -83,15 +80,15 @@ class _BluetoothScreenState extends State<BluetoothScreen> {
Future.delayed(const Duration(seconds: 8), () {
if (mounted && _scanResults.isEmpty && _isScanning) {
_showSnackBar("Nenhum dispositivo encontrado.", AppColors.coral);
_showSnackBar(AppStrings.noDevicesFound, AppColors.coral);
}
});
} catch (e) {
_showSnackBar("Erro ao iniciar busca: $e", Colors.red);
_showSnackBar("${AppStrings.scanError}$e", AppColors.error);
}
} else {
_showSnackBar("Permissões negadas.", AppColors.coral);
_showSnackBar(AppStrings.permissionsDenied, AppColors.coral);
}
}
@@ -99,22 +96,21 @@ class _BluetoothScreenState extends State<BluetoothScreen> {
try {
await FlutterBluePlus.stopScan();
} catch (e) {
_showSnackBar("Erro ao parar busca: $e", Colors.red);
_showSnackBar("${AppStrings.stopScanError}$e", AppColors.error);
}
}
Future<void> connectToDevice(BluetoothDevice device) async {
try {
String name = device.platformName.isNotEmpty ? device.platformName : "Dispositivo";
_showSnackBar("Conectando a $name...", Colors.white70);
String name = device.platformName.isNotEmpty ? device.platformName : AppStrings.defaultDeviceName;
_showSnackBar("${AppStrings.connectingTo}$name...", AppColors.white.withValues(alpha: 0.7));
await device.connect();
_showSnackBar("Conectado com sucesso!", Colors.green);
_showSnackBar(AppStrings.connectedSuccess, AppColors.success);
} catch (e) {
_showSnackBar("Falha ao conectar: $e", Colors.red);
_showSnackBar("${AppStrings.connectFail}$e", AppColors.error);
}
}
// Lógica para capturar o nome
String _getDeviceName(ScanResult r) {
if (r.advertisementData.advName.isNotEmpty) {
return r.advertisementData.advName;
@@ -122,7 +118,7 @@ class _BluetoothScreenState extends State<BluetoothScreen> {
return r.device.platformName;
} else {
String id = r.device.remoteId.toString();
return "Disp. [${id.length > 5 ? id.substring(id.length - 5) : id}]";
return "${AppStrings.deviceIdPrefix}${id.length > 5 ? id.substring(id.length - 5) : id}]";
}
}
@@ -142,9 +138,9 @@ class _BluetoothScreenState extends State<BluetoothScreen> {
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Bluetooth', style: TextStyle(fontWeight: FontWeight.bold)),
title: const Text(AppStrings.bluetoothTitle, style: TextStyle(fontWeight: FontWeight.bold)),
centerTitle: true,
backgroundColor: Colors.transparent,
backgroundColor: AppColors.transparent,
elevation: 0,
foregroundColor: AppColors.white,
),
@@ -156,7 +152,7 @@ class _BluetoothScreenState extends State<BluetoothScreen> {
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
colors: [
AppColors.coral.withOpacity(0.1),
AppColors.coral.withValues(alpha: 0.1),
AppColors.background,
],
),
@@ -173,8 +169,8 @@ class _BluetoothScreenState extends State<BluetoothScreen> {
decoration: BoxDecoration(
shape: BoxShape.circle,
color: _isScanning
? AppColors.coral.withOpacity(0.1)
: AppColors.backgroundGrey.withOpacity(0.3),
? AppColors.coral.withValues(alpha: 0.1)
: AppColors.backgroundGrey.withValues(alpha: 0.3),
border: Border.all(
color: _isScanning ? AppColors.coral : AppColors.backgroundGrey,
width: 2,
@@ -183,7 +179,7 @@ class _BluetoothScreenState extends State<BluetoothScreen> {
child: Icon(
_isScanning ? Icons.bluetooth_searching : Icons.bluetooth,
size: 60,
color: _isScanning ? AppColors.coral : AppColors.white.withOpacity(0.7),
color: _isScanning ? AppColors.coral : AppColors.white.withValues(alpha: 0.7),
),
),
const SizedBox(height: 30),
@@ -217,7 +213,7 @@ class _BluetoothScreenState extends State<BluetoothScreen> {
),
),
Text(
_isScanning ? 'PARAR BUSCA' : 'BUSCAR AGORA',
_isScanning ? AppStrings.stopSearch : AppStrings.startSearch,
style: const TextStyle(
fontSize: 14,
fontWeight: FontWeight.bold,
@@ -239,7 +235,7 @@ class _BluetoothScreenState extends State<BluetoothScreen> {
child: Row(
children: [
Text(
_isScanning ? "Procurando..." : "Dispositivos próximos",
_isScanning ? AppStrings.searching : AppStrings.nearbyDevices,
style: const TextStyle(
color: AppColors.white,
fontSize: 14,
@@ -251,11 +247,11 @@ class _BluetoothScreenState extends State<BluetoothScreen> {
Container(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 2),
decoration: BoxDecoration(
color: AppColors.coral.withOpacity(0.2),
color: AppColors.coral.withValues(alpha: 0.2),
borderRadius: BorderRadius.circular(10),
),
child: const Text(
"ATIVO",
AppStrings.active,
style: TextStyle(color: AppColors.coral, fontSize: 10, fontWeight: FontWeight.bold),
),
),
@@ -270,11 +266,11 @@ class _BluetoothScreenState extends State<BluetoothScreen> {
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(Icons.bluetooth_disabled, size: 40, color: AppColors.white.withOpacity(0.1)),
Icon(Icons.bluetooth_disabled, size: 40, color: AppColors.white.withValues(alpha: 0.1)),
const SizedBox(height: 16),
Text(
"Inicie a busca para conectar",
style: TextStyle(color: AppColors.white.withOpacity(0.3)),
AppStrings.startSearchInstruction,
style: TextStyle(color: AppColors.white.withValues(alpha: 0.3)),
),
],
),
@@ -285,35 +281,35 @@ class _BluetoothScreenState extends State<BluetoothScreen> {
itemBuilder: (context, index) {
final r = _scanResults[index];
final name = _getDeviceName(r);
final isUnknown = name.startsWith("Disp. [");
final isUnknown = name.startsWith(AppStrings.deviceIdPrefix);
return Container(
margin: const EdgeInsets.symmetric(horizontal: 20, vertical: 6),
decoration: BoxDecoration(
color: AppColors.backgroundGrey.withOpacity(0.2),
color: AppColors.backgroundGrey.withValues(alpha: 0.2),
borderRadius: BorderRadius.circular(15),
),
child: ListTile(
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
leading: CircleAvatar(
backgroundColor: AppColors.backgroundGrey.withOpacity(0.3),
backgroundColor: AppColors.backgroundGrey.withValues(alpha: 0.3),
child: Icon(
isUnknown ? Icons.devices_other : Icons.bluetooth,
color: isUnknown ? AppColors.white.withOpacity(0.4) : AppColors.white,
color: isUnknown ? AppColors.white.withValues(alpha: 0.4) : AppColors.white,
size: 20
),
),
title: Text(
name,
style: TextStyle(
color: isUnknown ? AppColors.white.withOpacity(0.5) : AppColors.white,
color: isUnknown ? AppColors.white.withValues(alpha: 0.5) : AppColors.white,
fontWeight: FontWeight.w600,
fontSize: 15,
),
),
subtitle: Text(
r.device.remoteId.toString(),
style: TextStyle(color: AppColors.white.withOpacity(0.3), fontSize: 11),
style: TextStyle(color: AppColors.white.withValues(alpha: 0.3), fontSize: 11),
),
trailing: ElevatedButton(
onPressed: () => connectToDevice(r.device),
@@ -324,7 +320,7 @@ class _BluetoothScreenState extends State<BluetoothScreen> {
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
elevation: 0,
),
child: const Text("CONECTAR", style: TextStyle(fontSize: 11, fontWeight: FontWeight.bold)),
child: const Text(AppStrings.connect, style: TextStyle(fontSize: 11, fontWeight: FontWeight.bold)),
),
),
);