130 lines
4.0 KiB
Dart
130 lines
4.0 KiB
Dart
import 'package:flutter/cupertino.dart';
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import 'package:please_pay_me/core/branding/app_brand.dart';
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import 'package:please_pay_me/theme/theme.dart';
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import 'package:please_pay_me/ui/ui.dart';
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/// Branded launch screen. Native Android/iOS splash uses the same background
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/// and mark so the first Flutter frame does not flash.
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class SplashScreen extends StatefulWidget {
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const SplashScreen({super.key});
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@override
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State<SplashScreen> createState() => _SplashScreenState();
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}
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class _SplashScreenState extends State<SplashScreen> with SingleTickerProviderStateMixin {
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late final AnimationController _controller;
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late final Animation<double> _mark;
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late final Animation<double> _copy;
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late final Animation<double> _spinner;
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@override
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void initState() {
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super.initState();
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_controller = AnimationController(
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vsync: this,
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duration: const Duration(milliseconds: 720),
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)..forward();
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_mark = CurvedAnimation(
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parent: _controller,
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curve: const Interval(0, 0.55, curve: Curves.easeOutCubic),
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);
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_copy = CurvedAnimation(
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parent: _controller,
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curve: const Interval(0.28, 0.85, curve: Curves.easeOut),
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);
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_spinner = CurvedAnimation(
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parent: _controller,
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curve: const Interval(0.55, 1, curve: Curves.easeOut),
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);
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}
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@override
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void dispose() {
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_controller.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final dark = CupertinoTheme.of(context).brightness == Brightness.dark;
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return CupertinoPageScaffold(
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backgroundColor: AppColors.of(context, AppColors.groupedBackground),
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child: AnimatedBuilder(
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animation: _controller,
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builder: (context, _) {
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return Stack(
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fit: StackFit.expand,
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children: [
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_Wash(dark: dark),
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SafeArea(
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child: Column(
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children: [
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const Spacer(flex: 3),
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Opacity(
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opacity: _mark.value,
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child: Transform.scale(
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scale: 0.86 + (0.14 * _mark.value),
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child: const AppBrandMark(),
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),
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),
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const SizedBox(height: AppSpacing.s5),
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Opacity(
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opacity: _copy.value,
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child: Transform.translate(
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offset: Offset(0, 10 * (1 - _copy.value)),
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child: const Column(
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children: [
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AppText.largeTitle(AppBrand.name, textAlign: TextAlign.center),
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SizedBox(height: AppSpacing.s2),
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AppText.subhead(
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'Бюджет от зарплаты до зарплаты',
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color: AppColors.secondaryLabel,
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textAlign: TextAlign.center,
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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 Spacer(flex: 4),
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Opacity(
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opacity: _spinner.value,
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child: const Padding(
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padding: EdgeInsets.only(bottom: AppSpacing.s7),
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child: AppSpinner(),
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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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);
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}
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}
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class _Wash extends StatelessWidget {
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const _Wash({required this.dark});
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final bool dark;
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@override
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Widget build(BuildContext context) {
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final accent = AppColors.of(context, AppColors.accent).withValues(alpha: dark ? 0.14 : 0.1);
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return IgnorePointer(
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child: DecoratedBox(
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decoration: BoxDecoration(
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gradient: RadialGradient(
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center: const Alignment(0, -0.18),
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radius: 0.85,
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colors: [accent, const Color(0x00000000)],
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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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