135 lines
3.5 KiB
Dart
135 lines
3.5 KiB
Dart
import 'package:flutter/material.dart';
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class LoadingIndicator extends StatelessWidget {
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final String? message;
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final bool showAnimation;
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const LoadingIndicator({
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super.key,
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this.message,
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this.showAnimation = false,
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});
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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if (showAnimation) ...[
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// Optional: Lottie Animation für Loading
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SizedBox(
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width: 120,
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height: 120,
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child: CircularProgressIndicator(
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strokeWidth: 3,
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valueColor: AlwaysStoppedAnimation<Color>(
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theme.colorScheme.primary,
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),
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),
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),
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] else ...[
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SizedBox(
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width: 48,
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height: 48,
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child: CircularProgressIndicator(
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strokeWidth: 3,
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valueColor: AlwaysStoppedAnimation<Color>(
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theme.colorScheme.primary,
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),
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),
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),
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],
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if (message != null) ...[
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const SizedBox(height: 24),
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Text(
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message!,
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style: theme.textTheme.bodyMedium?.copyWith(
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color: theme.colorScheme.onSurface.withValues(alpha: 179),
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),
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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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}
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}
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class SkeletonLoading extends StatelessWidget {
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final int itemCount;
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final EdgeInsets padding;
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const SkeletonLoading({
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super.key,
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this.itemCount = 5,
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this.padding = const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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});
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@override
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Widget build(BuildContext context) {
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return ListView.builder(
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padding: padding,
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itemCount: itemCount,
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itemBuilder: (context, index) {
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return Padding(
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padding: const EdgeInsets.only(bottom: 12),
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child: _SkeletonCard(),
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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 _SkeletonCard extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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return Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: Colors.grey.shade200,
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borderRadius: BorderRadius.circular(16),
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),
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child: Row(
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children: [
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Container(
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width: 56,
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height: 56,
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decoration: BoxDecoration(
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color: Colors.grey.shade300,
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borderRadius: BorderRadius.circular(14),
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),
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),
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const SizedBox(width: 16),
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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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Container(
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width: double.infinity,
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height: 16,
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decoration: BoxDecoration(
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color: Colors.grey.shade300,
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borderRadius: BorderRadius.circular(4),
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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: 120,
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height: 12,
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decoration: BoxDecoration(
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color: Colors.grey.shade300,
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borderRadius: BorderRadius.circular(4),
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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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