120 lines
4.0 KiB
Dart
120 lines
4.0 KiB
Dart
import 'dart:convert';
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import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import '../services/whatsapp_service.dart';
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import '../theme/app_theme.dart';
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class QrView extends StatelessWidget {
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const QrView({super.key});
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@override
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Widget build(BuildContext context) {
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final svc = Get.find<WhatsAppService>();
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return Center(
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child: SingleChildScrollView(
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padding: const EdgeInsets.all(24),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Icon(Icons.qr_code_scanner,
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color: AppTheme.primary, size: 64),
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const SizedBox(height: 16),
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Text(
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'Link with your phone',
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style: TextStyle(
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color: AppTheme.textPrimary(context),
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fontSize: 22,
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 12),
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Container(
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padding:
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const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
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decoration: BoxDecoration(
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color: AppTheme.surfaceLight(context),
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borderRadius: BorderRadius.circular(8),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'1. Open WhatsApp on your phone',
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style: TextStyle(
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color: AppTheme.textSecondary(context), fontSize: 14),
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),
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const SizedBox(height: 4),
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Text(
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'2. Tap Menu (⋮ or ⚙️) → Linked Devices',
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style: TextStyle(
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color: AppTheme.textSecondary(context), fontSize: 14),
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),
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const SizedBox(height: 4),
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Text(
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'3. Tap "Link a Device" and scan this QR code',
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style: TextStyle(
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color: AppTheme.textSecondary(context), fontSize: 14),
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),
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],
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),
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),
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const SizedBox(height: 24),
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Obx(() {
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final qr = svc.qrData.value;
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if (qr == null) {
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return const CircularProgressIndicator(color: AppTheme.primary);
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}
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try {
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final base64Image =
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qr.contains(',') ? qr.split(',')[1] : qr;
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final bytes = base64Decode(base64Image);
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return Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(16),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.15),
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blurRadius: 12,
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offset: const Offset(0, 4),
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)
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],
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),
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child: Image.memory(
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bytes,
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width: 260,
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height: 260,
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fit: BoxFit.contain,
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),
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);
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} catch (e) {
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return Column(
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children: [
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const Icon(Icons.broken_image,
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color: Colors.redAccent, size: 48),
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const SizedBox(height: 8),
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Text(
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'Failed to render QR Code: $e',
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style: TextStyle(
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color: AppTheme.textSecondary(context)),
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),
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],
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);
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}
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}),
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const SizedBox(height: 16),
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Text(
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'Waiting for QR Code from WhatsApp...',
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style: TextStyle(
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color: AppTheme.textSecondary(context), fontSize: 12),
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),
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],
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),
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),
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);
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}
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}
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