64 lines
2.3 KiB
Dart
64 lines
2.3 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:skeletonizer/skeletonizer.dart';
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class AppSkeleton extends StatefulWidget {
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/// A widget that provides a skeleton loading effect to its child widget tree.
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/// - [child]: The widget tree to apply the skeleton effect to.
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/// - [enabled]: A boolean to enable or disable the skeleton effect.
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/// - [fixLayoutBuilder]: A boolean to fix the layout builder for AnimatedSwitcher.
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/// - [alignment]: The alignment used for the custom layout builder and optional Align wrapper. Defaults to [Alignment.center].
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const AppSkeleton({
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super.key,
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required this.child,
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this.enabled = true,
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this.fixLayoutBuilder = false,
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this.alignment = Alignment.center,
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});
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/// The widget tree to apply the skeleton effect to.
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final Widget child;
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/// A boolean to enable or disable the skeleton effect.
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final bool enabled;
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/// A boolean to fix the layout builder for AnimatedSwitcher.
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final bool fixLayoutBuilder;
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/// The alignment used for the custom layout builder and optional Align wrapper
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final Alignment alignment;
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@override
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State<AppSkeleton> createState() => _AppSkeletonState();
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}
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class _AppSkeletonState extends State<AppSkeleton> {
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@override
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Widget build(BuildContext context) {
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return Skeletonizer(
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effect: PulseEffect(
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from: Colors.grey[800]!,
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to: Colors.grey[600]!,
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duration: const Duration(milliseconds: 800),
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),
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enabled: widget.enabled,
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enableSwitchAnimation: true,
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switchAnimationConfig: SwitchAnimationConfig(
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duration: const Duration(milliseconds: 200),
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switchInCurve: Curves.linear,
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switchOutCurve: Curves.linear,
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transitionBuilder: AnimatedSwitcher.defaultTransitionBuilder,
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layoutBuilder: !widget.fixLayoutBuilder
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? AnimatedSwitcher.defaultLayoutBuilder
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: (Widget? currentChild, List<Widget> previousChildren) {
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final children = <Widget>[...previousChildren];
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if (currentChild != null) children.add(currentChild);
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return Stack(alignment: widget.alignment, children: children);
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},
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),
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child: widget.fixLayoutBuilder
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? Align(alignment: widget.alignment, child: widget.child)
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: widget.child,
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);
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}
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}
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