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Description:

skeletons

Skeletons #
A Flutter package for building custom skeleton widgets to mimic the page's layout while loading.
Examples #

Items

ListView (Default)

ListView (Custom)
ListView (Complex Cards)
SkeletonTheme

Light/Dark modes
Right-To-Left
Custom Shimmer

All examples can be found here examples.
How To Use #
Can be used by encapsulating the child widget in a Skeleton widget:
import 'package:skeletons/skeletons.dart';

Skeleton(
isLoading: _isLoading,
skeleton: SkeletonListView(),
child: Container(child: Center(child: Text("Content"))),
)
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or directly:
Container(
child: _isLoading
? SkeletonListView()
: Container(child: Center(
child: Text("Content"))),
)

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a SkeletonTheme can be used to set the default configs for all skeleton descendants in the tree.
SkeletonTheme(
// themeMode: ThemeMode.light,
shimmerGradient: LinearGradient(
colors: [
Color(0xFFD8E3E7),
Color(0xFFC8D5DA),
Color(0xFFD8E3E7),
],
stops: [
0.1,
0.5,
0.9,
],
),
darkShimmerGradient: LinearGradient(
colors: [
Color(0xFF222222),
Color(0xFF242424),
Color(0xFF2B2B2B),
Color(0xFF242424),
Color(0xFF222222),
],
stops: [
0.0,
0.2,
0.5,
0.8,
1,
],
begin: Alignment(-2.4, -0.2),
end: Alignment(2.4, 0.2),
tileMode: TileMode.clamp,
),
child: MateriaApp(
...
),
),
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More Customization: #

ListView (Complex Cards)

for more complex shapes you can build your skeleton inside a SkeletonItem widget:
ListView.builder(
physics: NeverScrollableScrollPhysics(),
itemCount: 5,
itemBuilder: (context, index) => Padding(
padding: const EdgeInsets.all(8.0),
child: Container(
padding: const EdgeInsets.all(8.0),
decoration: BoxDecoration(color: Colors.white),
child: SkeletonItem(
child: Column(
children: [
Row(
children: [
SkeletonAvatar(
style: SkeletonAvatarStyle(
shape: BoxShape.circle, width: 50, height: 50),
),
SizedBox(width: 8),
Expanded(
child: SkeletonParagraph(
style: SkeletonParagraphStyle(
lines: 3,
spacing: 6,
lineStyle: SkeletonLineStyle(
randomLength: true,
height: 10,
borderRadius: BorderRadius.circular(8),
minLength: MediaQuery.of(context).size.width / 6,
maxLength: MediaQuery.of(context).size.width / 3,
)),
),
)
],
),
SizedBox(height: 12),
SkeletonParagraph(
style: SkeletonParagraphStyle(
lines: 3,
spacing: 6,
lineStyle: SkeletonLineStyle(
randomLength: true,
height: 10,
borderRadius: BorderRadius.circular(8),
minLength: MediaQuery.of(context).size.width / 2,
)),
),
SizedBox(height: 12),
SkeletonAvatar(
style: SkeletonAvatarStyle(
width: double.infinity,
minHeight: MediaQuery.of(context).size.height / 8,
maxHeight: MediaQuery.of(context).size.height / 3,
),
),
SizedBox(height: 8),
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Row(
children: [
SkeletonAvatar(
style: SkeletonAvatarStyle(width: 20, height: 20)),
SizedBox(width: 8),
SkeletonAvatar(
style: SkeletonAvatarStyle(width: 20, height: 20)),
SizedBox(width: 8),
SkeletonAvatar(
style: SkeletonAvatarStyle(width: 20, height: 20)),
],
),
SkeletonLine(
style: SkeletonLineStyle(
height: 16,
width: 64,
borderRadius: BorderRadius.circular(8)),
)
],
)
],
)),
),
),
);
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Issues and feedback #
For issues, please report here. Contributions are welcome.