513 lines
18 KiB
Dart
513 lines
18 KiB
Dart
import 'package:flutter/material.dart';
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class AboutAppScreen extends StatelessWidget {
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const AboutAppScreen({super.key});
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: const Color(0xfffef3f2), // Putih kemerahan
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appBar: AppBar(
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title: const Text(
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'Tentang Aplikasi',
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style: TextStyle(fontWeight: FontWeight.bold, letterSpacing: 1),
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),
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backgroundColor: Colors.red,
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foregroundColor: Colors.white,
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elevation: 0,
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),
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body: SingleChildScrollView(
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child: Column(
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children: [
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// Header Gradasi Merah Putih
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Container(
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width: double.infinity,
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padding: const EdgeInsets.symmetric(vertical: 40, horizontal: 24),
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decoration: BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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colors: [
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Colors.red.shade700,
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Colors.red.shade500,
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Colors.red.shade300,
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Colors.red.shade100,
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Colors.white,
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],
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stops: const [0.0, 0.3, 0.6, 0.85, 1.0],
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),
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borderRadius: const BorderRadius.only(
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bottomLeft: Radius.circular(40),
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bottomRight: Radius.circular(40),
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),
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),
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child: Column(
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children: [
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// Animasi Coffee Bean
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TweenAnimationBuilder(
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duration: const Duration(seconds: 2),
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tween: Tween<double>(begin: 0, end: 1),
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builder: (context, double value, child) {
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return Transform.scale(
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scale: value,
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child: Container(
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padding: const EdgeInsets.all(20),
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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border: Border.all(
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color: Colors.white.withOpacity(0.5),
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width: 2,
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),
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boxShadow: [
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BoxShadow(
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blurRadius: 30,
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color: Colors.white.withOpacity(0.3),
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spreadRadius: 5,
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),
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],
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),
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child: const Icon(
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Icons.coffee,
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size: 60,
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color: Colors.white,
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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: 20),
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const Text(
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'KopiCare IoT',
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style: TextStyle(
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fontSize: 32,
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fontWeight: FontWeight.bold,
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color: Colors.white,
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letterSpacing: 2,
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),
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),
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const SizedBox(height: 8),
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Container(
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width: 80,
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height: 3,
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(2),
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color: Colors.white,
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),
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),
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const SizedBox(height: 16),
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const Text(
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'Smart Coffee Drying System',
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style: TextStyle(
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fontSize: 14,
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color: Colors.white,
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letterSpacing: 1,
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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: 30),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 20),
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child: Column(
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children: [
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// Deskripsi Card
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_buildWhiteCard(
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icon: Icons.description,
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title: 'Deskripsi',
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content:
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'Aplikasi ini dirancang untuk memonitor dan mengatur proses '
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'pengeringan biji kopi secara cerdas menggunakan teknologi Internet '
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'of Things (IoT). Dengan aplikasi ini, petani dapat memantau suhu, '
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'kelembapan, dan berat biji kopi secara real-time, sehingga proses '
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'pengeringan menjadi lebih efisien dan mengurangi resiko kerusakan '
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'biji kopi.',
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color: Colors.red,
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),
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const SizedBox(height: 20),
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// Fitur Utama Card
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_buildWhiteCard(
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icon: Icons.rocket_launch,
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title: 'Fitur Utama',
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content: '',
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color: Colors.red,
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child: Column(
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children: [
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_buildFeatureItem(
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Icons.thermostat,
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'Monitoring Suhu & Kelembapan',
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'Real-time data sensor'),
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_buildFeatureItem(
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Icons.fitness_center,
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'Monitoring Berat Biji Kopi',
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'Pantau proses pengeringan'),
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_buildFeatureItem(Icons.smart_toy, 'Kontrol Otomatis',
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'Heater & kipas berbasis AI'),
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_buildFeatureItem(Icons.timer, 'Interval Update',
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'Atur frekuensi pengambilan data'),
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_buildFeatureItem(Icons.history, 'Riwayat Pengeringan',
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'Data tersimpan untuk analisis'),
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],
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),
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),
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const SizedBox(height: 20),
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// Manfaat Card
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_buildWhiteCard(
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icon: Icons.emoji_events,
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title: 'Manfaat',
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content: '',
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color: Colors.red,
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child: Column(
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children: [
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_buildBenefitItem(Icons.star, 'Kualitas Terjaga',
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'Biji kopi kering optimal'),
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_buildBenefitItem(Icons.timer, 'Efisiensi Waktu',
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'Proses lebih cepat 40%'),
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_buildBenefitItem(Icons.savings, 'Hemat Biaya',
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'Mengurangi biaya operasional'),
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_buildBenefitItem(Icons.analytics, 'Data Akurat',
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'Monitoring presisi tinggi'),
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],
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),
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),
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const SizedBox(height: 20),
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// Proses Pengeringan Kopi
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_buildWhiteCard(
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icon: Icons.timeline,
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title: 'Proses Pengeringan',
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content: '',
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color: Colors.red,
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child: Column(
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children: [
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_buildProcessStep('1', 'Pemanasan Awal',
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'Heater menyala hingga suhu optimal'),
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_buildProcessStep('2', 'Pengeringan Utama',
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'Suhu dijaga stabil, berat berkurang'),
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_buildProcessStep('3', 'Pendinginan',
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'Kipas menyala, suhu diturunkan'),
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_buildProcessStep('4', 'Pengeringan Selesai',
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'Target berat tercapai, proses stop'),
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],
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),
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),
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const SizedBox(height: 20),
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// Teknologi Card
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_buildWhiteCard(
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icon: Icons.devices,
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title: 'Teknologi',
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content: '',
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color: Colors.red,
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child: Wrap(
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spacing: 10,
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runSpacing: 10,
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children: [
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_buildTechChip('Flutter', Colors.blue),
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_buildTechChip('IoT', Colors.red),
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_buildTechChip('ESP32', Colors.green),
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_buildTechChip('Sensor DHT22', Colors.orange),
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_buildTechChip('Load Cell', Colors.purple),
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_buildTechChip('Firebase', Colors.yellow.shade800),
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],
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),
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),
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const SizedBox(height: 30),
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// Footer
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Container(
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padding: const EdgeInsets.all(20),
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decoration: BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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colors: [
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Colors.red.shade700,
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Colors.red.shade500,
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Colors.red.shade300,
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],
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),
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borderRadius: BorderRadius.circular(20),
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boxShadow: [
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BoxShadow(
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blurRadius: 20,
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color: Colors.red.withOpacity(0.3),
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),
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],
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),
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child: Column(
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children: [
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const Icon(
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Icons.coffee,
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color: Colors.white,
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size: 40,
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),
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const SizedBox(height: 10),
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const Text(
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'KopiCare IoT',
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.bold,
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color: Colors.white,
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letterSpacing: 1,
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),
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),
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const SizedBox(height: 5),
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Text(
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'Smart Coffee Drying System',
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style: TextStyle(
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fontSize: 12,
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color: Colors.white.withOpacity(0.9),
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),
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),
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const SizedBox(height: 15),
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const Divider(color: Colors.white24),
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const SizedBox(height: 10),
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Text(
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'© 2026 KopiCare IoT | Version 2.0.0',
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style: TextStyle(
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fontSize: 11,
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color: Colors.white.withOpacity(0.7),
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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: 30),
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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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}
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Widget _buildWhiteCard({
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required IconData icon,
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required String title,
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required String content,
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required Color color,
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Widget? child,
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}) {
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return Container(
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(25),
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boxShadow: [
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BoxShadow(
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blurRadius: 15,
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color: Colors.red.withOpacity(0.1),
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offset: const Offset(0, 8),
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),
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],
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border: Border.all(
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color: Colors.red.withOpacity(0.1),
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width: 1,
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),
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),
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child: Padding(
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padding: const EdgeInsets.all(20),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Container(
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padding: const EdgeInsets.all(10),
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decoration: BoxDecoration(
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color: Colors.red.withOpacity(0.1),
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borderRadius: BorderRadius.circular(15),
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),
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child: Icon(icon, color: Colors.red, size: 24),
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),
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const SizedBox(width: 15),
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Text(
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title,
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style: const TextStyle(
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fontSize: 20,
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fontWeight: FontWeight.bold,
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color: Color(0xff2d2d2d),
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letterSpacing: 0.5,
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),
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),
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],
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),
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const SizedBox(height: 20),
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if (content.isNotEmpty)
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Text(
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content,
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style: const TextStyle(
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fontSize: 14,
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color: Color(0xff666666),
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height: 1.5,
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),
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),
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if (child != null) child,
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],
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),
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),
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);
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}
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Widget _buildFeatureItem(IconData icon, String title, String subtitle) {
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return Padding(
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padding: const EdgeInsets.only(bottom: 16),
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child: Row(
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children: [
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Container(
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padding: const EdgeInsets.all(8),
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decoration: BoxDecoration(
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color: Colors.red.withOpacity(0.1),
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borderRadius: BorderRadius.circular(12),
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),
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child: Icon(icon, color: Colors.red, size: 20),
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),
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const SizedBox(width: 12),
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Expanded(
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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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title,
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style: const TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w600,
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color: Color(0xff2d2d2d),
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),
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),
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Text(
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subtitle,
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style: const TextStyle(
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fontSize: 12,
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color: Color(0xff888888),
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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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);
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}
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Widget _buildBenefitItem(IconData icon, String title, String subtitle) {
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return Padding(
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padding: const EdgeInsets.only(bottom: 16),
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child: Row(
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children: [
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Container(
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padding: const EdgeInsets.all(8),
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decoration: BoxDecoration(
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color: Colors.green.withOpacity(0.1),
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borderRadius: BorderRadius.circular(12),
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),
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child: Icon(icon, color: Colors.green, size: 20),
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),
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const SizedBox(width: 12),
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Expanded(
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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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title,
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style: const TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w600,
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color: Color(0xff2d2d2d),
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),
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),
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Text(
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subtitle,
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style: const TextStyle(
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fontSize: 12,
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color: Color(0xff888888),
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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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);
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}
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Widget _buildProcessStep(String number, String title, String description) {
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return Padding(
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padding: const EdgeInsets.only(bottom: 16),
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child: Row(
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children: [
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Container(
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width: 36,
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height: 36,
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decoration: BoxDecoration(
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gradient: LinearGradient(
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colors: [Colors.red.shade700, Colors.red.shade500],
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),
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shape: BoxShape.circle,
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),
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child: Center(
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child: Text(
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number,
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style: const TextStyle(
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color: Colors.white,
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fontWeight: FontWeight.bold,
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fontSize: 16,
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),
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),
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),
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),
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const SizedBox(width: 12),
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Expanded(
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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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title,
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style: const TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w600,
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color: Color(0xff2d2d2d),
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),
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),
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Text(
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description,
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style: const TextStyle(
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fontSize: 12,
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color: Color(0xff888888),
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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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);
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}
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Widget _buildTechChip(String label, Color color) {
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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decoration: BoxDecoration(
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color: color.withOpacity(0.1),
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borderRadius: BorderRadius.circular(20),
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border: Border.all(
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color: color.withOpacity(0.3),
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width: 1,
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),
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),
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child: Text(
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label,
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style: TextStyle(
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fontSize: 12,
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fontWeight: FontWeight.w500,
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color: color,
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),
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),
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);
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}
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}
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