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Description:
protonimage
protonimage #
Protonimage is a Flutter package that provides a customizable image widget with built-in shimmer loading effect.
A Flutter plugin for preloading images.
Android
iOS
Linux
macOS
Web
Windows
Support
SDK 16+
12.0+
Any
10.14+
Any
Windows 10+
About #
Protonimage offers a convenient way to display images in your Flutter applications with the added benefit of a shimmer loading effect, giving your UI a polished and professional look. It allows you to easily load images from network URLs, customize the appearance, and control the loading process.
Screenshots #
Shimmer
Feed
Features #
Customizable Shimmer Effect: Easily add a shimmer loading effect to your images.
Flexible Configuration: Adjust height, aspect ratio, border radius, and more.
Network Image Support: Load images from network URLs effortlessly.
Fit Options: Control how the image is inscribed into the widget with BoxFit.
Fallback Background Color: Specify a fallback color while the image is loading.
Tested: The widget is thoroughly tested with unit tests to ensure reliability.
Installation #
With Dart:
dart pub add protonimage
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With Flutter:
flutter pub add protonimage
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This will add a line like this to your package's pubspec.yaml (and run an implicit flutter pub get):
dependencies:
protonimage: ^1.0.0 # Replace with the latest version
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Alternatively, your editor might support flutter pub get. Check the docs for your editor to learn more.
Import it #
Now in your Dart code, you can use:
import 'package:protonimage/protonimage.dart';
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Usage #
The easiest way to use this library via top-level function format(date):
Quick Usage #
import 'package:flutter/material.dart';
import 'package:protonimage/protonimage.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('ProtonImage Example'),
),
body: Center(
child: ProtonImage(
path: 'https://example.com/image.jpg',
height: 200,
radius: 20,
),
),
);
}
}
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Customization #
ProtonImage(
path: 'https://example.com/image.jpg',
height: 200,
radius: 20,
aspectRatio: 16 / 9,
baseColor: Colors.white24,
highlightColor: Colors.white54,
backgroundColor: Colors.white,
)
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Customization Options #
The "Customization Options" section outlines properties to customize image widgets, covering image source, dimensions, border radius, aspect ratio, shimmer effect colors, loading background color, and gradient overlay.
Property
Description
path
The URL or path of the image to be displayed.
height
The height of the image widget.
radius
The border radius for rounded corners.
aspectRatio
The aspect ratio of the image (width/height).
baseColor
The base color of the shimmer effect.
highlightColor
The highlight color of the shimmer effect.
backgroundColor
The background color while the image is loading.
overlayGradient
The gradient overlay to be applied on the image.
Image Overlay #
ProtonImage(
path: 'https://example.com/image2.jpg',
height: 200,
radius: 20,
overlayGradient: LinearGradient(
begin: Alignment.bottomRight,
stops: const [0.1, 0.8],
colors: [
Colors.black45.withOpacity(.1),
Colors.black45.withOpacity(.0),
],
),
)
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Available Gradients Overlay #
Gradient Type
Description
LinearGradient
A linear gradient that transitions along a straight line.
RadialGradient
A radial gradient that transitions outward from the center.
SweepGradient
A gradient that follows the perimeter of a circle.
Popular Aspect Ratios #
Aspect Ratio
Description
1:1
Square
16:9
Widescreen
4:3
Standard TV
3:2
Classic Photography
21:9
Ultra-Widescreen
9:16
Portrait (for mobile)
3:4
Portrait (for photography)
Examples #
For more examples and usage, please refer to the example directory.
Contributing #
Contributions are welcome! If you encounter any issues or have suggestions for improvements, please open an issue or submit a pull request on GitHub.
License
For personal and professional use. You cannot resell or redistribute these repositories in their original state.
Files In This Product:
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