Spoiler Animation for Flutter
A Flutter package to create spoiler animations similar to the one used in Telegram, allowing you to hide sensitive or spoiler-filled content until it's tapped or clicked.
Demo
Features
- Spoiler Animation: Blur effect hides content until revealed.
- Customizable: Adjust blur intensity, animation duration, and more.
- Easy Integration: Simple API for adding spoiler animations to your Flutter applications.
- Platform Agnostic: Works seamlessly across different platforms supported by Flutter.
Installation
To use this package, add spoiler_widget
as a dependency in your pubspec.yaml
file.
dependencies:
spoiler_widget: ^1.0.5
Then, run flutter pub get
to install the package.
Usage
Import the package into your Dart code:
import 'package:spoiler_widget/spoiler_widget.dart';
Wrap the content you want to hide with a SpoilerTextWidget
widget:
SpoilerTextWidget(
text: 'This is a spoiler! Tap to reveal.',
),
Wrap the content you want to hide with a SpoilerWidget
widget:
SpoilerWidget(
child: CachedNetworkImage(imageUrl: url),
),
Example
Here's a simple example demonstrating how to use the package:
import 'package:flutter/material.dart';
import 'package:spoiler_widget/spoiler_widget.dart';
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
final text = 'This is a spoiler! Tap to reveal.';
final url =
'https://img.freepik.com/premium-photo/drawing-female-superhero-female-character_1308175-151081.jpg?w=1800';
bool enable = true;
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: Text('Spoiler Animation Example'),
),
body: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
SpoilerTextWidget(
configuration: TextSpoilerConfiguration(
isEnabled: enable,
maxParticleSize: 0.7,
particleDensity: 2.5,
speedOfParticles: 0.2,
fadeRadius: 3,
fadeAnimation: true,
enableGesture: true,
selection: const TextSelection(baseOffset: 0, extentOffset: 18),
style: const TextStyle(
fontSize: 50,
color: Colors.white,
),
),
text: text,
),
ClipRect(
child: SpoilerWidget(
configuration: WidgetSpoilerConfiguration(
isEnabled: enable,
maxParticleSize: 0.7,
particleDensity: 5,
speedOfParticles: 0.2,
fadeRadius: 3,
fadeAnimation: true,
enableGesture: true,
imageFilter: ImageFilter.blur(sigmaX: 30.0, sigmaY: 30.0),
),
child: CachedNetworkImage(imageUrl: url),
),
),
],
),
),
);
}
}
API Reference
SpoilerAnimation
A widget that creates a spoiler animation to hide content until revealed.
SpoilerAnimation Properties
Property | Type | Description |
---|---|---|
particleDensity |
double |
The density of particles used in the animation. |
speedOfParticles |
double |
The speed of particles in the animation. |
particleColor |
Color |
The color of particles in the animation. |
maxParticleSize |
double |
The maximum size of particles in the animation. |
fadeAnimation |
bool |
Determines whether to apply a fade animation effect. |
fadeRadius |
double |
The radius of the fade effect. |
enable |
bool |
Determines whether the animation is enabled. |
enableGesture |
bool |
Determines whether gesture recognition is enabled. |
style |
TextStyle? |
The text style to be applied to the spoiler text. |
text |
String |
The text content to be hidden by the spoiler animation. |
selection |
TextSelection? |
The text selection within the spoiler text. |
FAQ
Q: Can I customize the appearance of the spoiler animation?
A: Yes, you can adjust parameters like blur intensity and animation duration to customize the appearance and behavior of the spoiler animation.
Q: Does this package work on all Flutter platforms?
A: Yes, the package works on iOS, Android, and web platforms without any additional configuration.
License
This package is licensed under the MIT License. See the LICENSE file for details.