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feat(contacts): окно обмена сверху + анимация получения контакта

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This commit is contained in:
klockky
2026-06-21 11:43:28 +00:00
parent eb20ed025f
commit 2f3b280fa4
2 changed files with 108 additions and 20 deletions
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lib/frontend/screens/contacts/contacts_tab.dart
+19 -6
View File
@@ -36,13 +36,26 @@ class _ContactsTabState extends State<ContactsTab> {
}
Future<void> _openNfcExchange() async {
final cs = Theme.of(context).colorScheme;
await showModalBottomSheet<void>(
await showGeneralDialog<void>(
context: context,
isScrollControlled: true,
backgroundColor: cs.surfaceContainerHigh,
shape: kSheetShape,
builder: (_) => const NfcExchangeSheet(),
barrierDismissible: true,
barrierLabel: MaterialLocalizations.of(context).modalBarrierDismissLabel,
barrierColor: Colors.black54,
transitionDuration: const Duration(milliseconds: 320),
pageBuilder: (_, _, _) => const Align(
alignment: Alignment.topCenter,
child: NfcExchangeSheet(),
),
transitionBuilder: (_, anim, _, child) {
final curved = CurvedAnimation(parent: anim, curve: Curves.easeOutCubic);
return SlideTransition(
position: Tween(
begin: const Offset(0, -1),
end: Offset.zero,
).animate(curved),
child: child,
);
},
);
}
lib/frontend/screens/contacts/nfc_exchange_sheet.dart
+89 -14
View File
@@ -2,6 +2,7 @@ import 'dart:async';
import 'dart:math' as math;
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:material_symbols_icons/symbols.dart';
import '../../../backend/modules/contacts.dart';
@@ -32,9 +33,10 @@ class NfcExchangeSheet extends StatefulWidget {
}
class _NfcExchangeSheetState extends State<NfcExchangeSheet>
with SingleTickerProviderStateMixin {
with TickerProviderStateMixin {
final _nfc = NfcExchangeService.instance;
late final AnimationController _pulse;
late final AnimationController _reveal;
StreamSubscription<NfcEvent>? _sub;
_Stage _stage = _Stage.checking;
@@ -49,6 +51,10 @@ class _NfcExchangeSheetState extends State<NfcExchangeSheet>
vsync: this,
duration: const Duration(milliseconds: 1800),
)..repeat();
_reveal = AnimationController(
vsync: this,
duration: const Duration(milliseconds: 1100),
);
_begin();
}
@@ -57,6 +63,7 @@ class _NfcExchangeSheetState extends State<NfcExchangeSheet>
_sub?.cancel();
_nfc.stop();
_pulse.dispose();
_reveal.dispose();
super.dispose();
}
@@ -107,6 +114,8 @@ class _NfcExchangeSheetState extends State<NfcExchangeSheet>
final id = event.id;
if (id == null || _peerId != null) return;
_peerId = id;
HapticFeedback.mediumImpact();
_reveal.forward(from: 0);
setState(() => _stage = _Stage.found);
final info = await ContactInfoFetch.get(id);
if (!mounted) return;
@@ -181,13 +190,22 @@ class _NfcExchangeSheetState extends State<NfcExchangeSheet>
@override
Widget build(BuildContext context) {
final cs = Theme.of(context).colorScheme;
return SafeArea(
child: Padding(
padding: const EdgeInsets.fromLTRB(20, 16, 20, 24),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Row(
return SizedBox(
width: double.infinity,
child: Material(
color: cs.surfaceContainerHigh,
shape: const RoundedRectangleBorder(
borderRadius: BorderRadius.vertical(bottom: Radius.circular(28)),
),
clipBehavior: Clip.antiAlias,
child: SafeArea(
bottom: false,
child: Padding(
padding: const EdgeInsets.fromLTRB(20, 14, 20, 24),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Row(
children: [
Expanded(
child: Text(
@@ -219,9 +237,11 @@ class _NfcExchangeSheetState extends State<NfcExchangeSheet>
child: _buildContent(cs),
),
),
],
],
),
),
),
),
);
}
@@ -356,11 +376,28 @@ class _NfcExchangeSheetState extends State<NfcExchangeSheet>
padding: const EdgeInsets.symmetric(vertical: 8),
child: Column(
children: [
KometAvatar(
name: _peerName(),
imageUrl: _peerInfo?['baseUrl'] as String?,
size: 88,
fontSize: 34,
SizedBox(
width: 160,
height: 160,
child: AnimatedBuilder(
animation: _reveal,
builder: (context, child) {
final t = _reveal.value;
final pop = Curves.elasticOut.transform(t.clamp(0.0, 1.0));
return CustomPaint(
painter: _BurstPainter(t, cs.primary),
child: Center(
child: Transform.scale(scale: pop, child: child),
),
);
},
child: KometAvatar(
name: _peerName(),
imageUrl: _peerInfo?['baseUrl'] as String?,
size: 92,
fontSize: 34,
),
),
),
const SizedBox(height: 14),
Text(
@@ -435,3 +472,41 @@ class _RadarPainter extends CustomPainter {
bool shouldRepaint(_RadarPainter oldDelegate) =>
oldDelegate.progress != progress || oldDelegate.color != color;
}
class _BurstPainter extends CustomPainter {
final double progress;
final Color color;
_BurstPainter(this.progress, this.color);
@override
void paint(Canvas canvas, Size size) {
if (progress <= 0) return;
final center = Offset(size.width / 2, size.height / 2);
final maxRadius = size.width / 2;
final eased = Curves.easeOut.transform(progress.clamp(0.0, 1.0));
final glow = Paint()
..color = color.withValues(alpha: (1.0 - eased) * 0.18);
canvas.drawCircle(center, maxRadius * (0.45 + 0.55 * eased), glow);
for (var i = 0; i < 3; i++) {
final delay = i * 0.18;
final t = ((progress - delay) / (1.0 - delay)).clamp(0.0, 1.0);
if (t <= 0) continue;
final wave = Curves.easeOut.transform(t);
final radius = maxRadius * (0.3 + 0.7 * wave);
final opacity = (1.0 - wave) * 0.5;
if (opacity <= 0) continue;
final ring = Paint()
..style = PaintingStyle.stroke
..strokeWidth = 2.5 * (1.0 - wave) + 0.5
..color = color.withValues(alpha: opacity);
canvas.drawCircle(center, radius, ring);
}
}
@override
bool shouldRepaint(_BurstPainter oldDelegate) =>
oldDelegate.progress != progress || oldDelegate.color != color;
}