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Description:

swipe image gallery

Swipe Image Gallery #

A scrollable, dismissable by swiping, zoomable gallery on which you can add a dynamic overlay.
While it is intended for an image gallery different types of widgets can also be used.
Installation #
Add swipe_image_gallery as a dependency in your pubspec.yaml file.
Usage
With a List of Image Widgets #
final assets = const [
Image(image: AssetImage('assets/1.jpeg')),
Image(image: AssetImage('assets/2.jpeg')),
Image(image: AssetImage('assets/3.jpeg')),
Image(image: AssetImage('assets/4.jpeg')),
];

...

SwipeImageGallery(
context: context,
children: assets,
).show();
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With a List of Widgets #
final widgets = [
Container(
color: Colors.white,
child: Center(
child: Text('First Page', style: TextStyle(fontSize: 24.0)),
),
),
Container(
color: Colors.grey,
child: Center(
child: Text('Second Page', style: TextStyle(fontSize: 24.0)),
),
),
];

...

SwipeImageGallery(
context: context,
children: widgets,
).show();
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Using Builder #
final urls = [
'https://via.placeholder.com/400',
'https://via.placeholder.com/800',
'https://via.placeholder.com/900x350',
'https://via.placeholder.com/1000',
'https://via.placeholder.com/100',
];

...

SwipeImageGallery(
context: context,
itemBuilder: (context, index) {
return Image.network(urls[index]);
},
itemCount: urls.length,
).show();

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Add an Overlay #
You can find the OverlayExample widget here.
StreamController<Widget> overlayController =
StreamController<Widget>.broadcast();

@override
void dispose() {
overlayController.close();
super.dispose();
}

...

SwipeImageGallery(
context: context,
children: remoteImages,
onSwipe: (index) {
overlayController.add(OverlayExample(
title: '${index + 1}/${remoteImages.length}',
));
},
overlayController: overlayController,
initialOverlay: OverlayExample(
title: '1/${remoteImages.length}',
),
).show();
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Hero Animation #
final heroProperties = [
ImageGalleryHeroProperties(tag: 'imageId1'),
ImageGalleryHeroProperties(tag: 'imageId2'),
];

final assets = const [
Image(image: AssetImage('assets/1.jpeg')),
Image(image: AssetImage('assets/2.jpeg')),
];

...

Row(
children: [
Expanded(
child: InkWell(
onTap: () => SwipeImageGallery(
context: context,
children: assets,
heroProperties: heroProperties,
).show(),
child: Hero(
tag: 'imageId1',
child: Image(
image: AssetImage('assets/1.jpeg'),
),
),
),
),
Expanded(
child: InkWell(
onTap: () => SwipeImageGallery(
context: context,
children: assets,
initialIndex: 1,
heroProperties: heroProperties,
).show(),
child: Hero(
tag: 'imageId2',
child: Image(
image: AssetImage('assets/2.jpeg'),
),
),
),
),
],
),
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For more detailed examples you can check out the example project.