Pulse animation for Flutter with source code

Pulsator for Flutter

The Pulsator Flutter package brings a captivating pulsating animation to your Flutter applications.

Installation

To integrate the Pulsator package into your Flutter project, add the following dependency to your pubspec.yaml file:

dependencies:
  pulsator: ^1.0.0

After making the modification, run the following command in your terminal:

flutter pub get

Introduction

The Pulsator package introduces two primary widgets: Pulsator and PulseIcon.

Pulsator Widget

The Pulsator widget allows you to create pulsating animations with customizable styles. You can control the number of pulses, animation duration, repetition, and more. This widget is perfect for adding dynamic visual effects to specific areas of your app.

Pulsator(
  style: PulseStyle(color: Colors.blue),
  count: 5,
  duration: Duration(seconds: 4),
  repeat: 0,
  startFromScratch: false,
  autoStart: true,
  fit: PulseFit.contain,
  child: YourContentWidget(),
)

PulseIcon Widget

The PulseIcon widget simplifies the process of displaying an icon with a pulsing effect. It allows you to customize the pulse and icon properties effortlessly.

PulseIcon(
  icon: Icons.favorite,
  pulseColor: Colors.red,
  iconColor: Colors.white,
  iconSize: 44,
  innerSize: 54,
  pulseSize: 116,
  pulseCount: 4,
  pulseDuration: Duration(seconds: 4),
)

Features

• Customizable Styles: Tailor the pulse animation to your preferences with adjustable color, size, and gradient configurations.
• Dynamic Pulse Effects: Create dynamic and visually appealing pulsating animations that draw attention to specific elements in your UI.
• Icon Integration: Easily incorporate pulsating effects into your icons using the PulseIcon widget for a more engaging user experience.
• Flexible Configuration: Fine-tune the pulse behavior by adjusting parameters such as count, duration, repetition, and more.

Usage

Explore the various properties and customization options provided by the Pulsator and PulseIcon widgets to seamlessly integrate pulsating animations into your Flutter application. Experiment with different configurations to achieve the desired visual impact and enhance the overall user experience.

Juicy examples

Code	Preview

License

This project is licensed under the MIT License – see the LICENSE file for details.

Contributing

Please read CONTRIBUTING.md for details on my code of conduct, and the process for submitting pull requests to me.

The docs, please!

Pulsator Widget properties

Property	Type	Description
style	PulseStyle	Pulse style configuration. Required.
count	int	Number of pulses visible at a time. Default is 3.
duration	Duration	Duration of a single pulse animation. Default is 2 seconds.
repeat	int	Number of times pulses will repeat. If 0, pulses will repeat forever. Default is 0.
startFromScratch	bool	Whether the animation should start from the beginning. Default is true.
autoStart	bool	Whether the animation should start automatically when the widget is created. Default is true.
fit	PulseFit	How the pulse should be scaled to fit the widget size. Default is PulseFit.contain.
child	Widget?	The child of the widget that is rendered on top of the pulses. Default is null.

Events

Event	Description
onCreated	Invoked when the animation controller is created.
onCompleted	Invoked when the animation is completed.

PulseIcon Widget properties Pulsator Flutter package

Property	Type	Description
icon	IconData	The icon to display. Required.
pulseColor	Color	The color of the pulse. Required.
iconColor	Color	The color of the icon. Default is white.
iconSize	double	The size of the icon. Default is 24.
pulseSize	double	The size of the pulse. Default is 64.
innerColor	Color?	The color of the inner, non-pulsing circle. Default is null.
innerSize	double?	The size of the inner, non-pulsing circle. Default is null.
pulseCount	int	The number of pulses to display. Default is 3.
pulseDuration	Duration	The duration of a single pulse animation. Default is 4 seconds.

PulseStyle properties

Property	Type	Description
color	Color	Main pulse color. Default is Colors.red.
borderColor	Color?	Pulse border color. If null, no border will be rendered. Default is null.
borderWidth	double?	Pulse border width. If null, no border will be rendered. Default is null.
gradientStyle	PulseGradientStyle?	If set, the pulse will be rendered as a gradient. Default is null.
pulseCurve	Curve	Pulse scale animation curve. Default is Curves.linear.
opacityCurve	Curve	Pulse opacity animation curve. Default is Curves.linear.
fadeOpacity	bool	Whether the opacity should be animated from 1.0 to 0.0. Default is true.
startSize	double	The size of the pulse when it begins, as a fraction of the pulse radius. Default is 0.0.

PulseGradientStyle properties

Property	Type	Description
radius	double	The radius of the gradient, as a fraction pulse radius. Default is 0.5.
start	double	The start point of the gradient, as a fraction of the pulse radius. Default is 0.0.
end	double	The end point of the gradient, as a fraction of the pulse radius. Default is 1.0.
startColor	Color?	The start color of the gradient. If null, the pulse color will be used with the opacity set to 0.0. Default is null.
reverseColors	bool	Whether the gradient colors should be reversed. If true, the gradient will start from end and end at start. Default is false.

PulseFit enum

Value	Description
contain	The pulse will be scaled to fit the widget size.
cover	The pulse will be scaled to fill the widget size.

Resources Used:

• YouTube
• Dart & Flutter Packages

You can check out the entire code of this App here:

Get Full Source Code

View Github

Conclusion

This was all about a quick go through the basic flutter App UI Screen. If you need any assistance regarding flutter app development, you can consult a flutter developer from FlutterDesk. We would love to be of help. Still, if you feel any difficult while dealing with Flutter app development projects, you can reach out to us or hire Flutter developers to outsource any of your app development project.

Do like & share my Facebook page. if you find this post helpful. Thank you!!

Happy coding! 😉

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