Sunday, July 3, 2022

Convert your flutter button into an animated loading button

A simple implementation of an animated loading button widget for Flutter.

RoundedLoadingButton is a Flutter package with a simple implementation of an animated loading button, complete with success and error animations.

Installation

Add this to your pubspec.yaml:

dependencies:
    rounded_loading_button: ^2.0.8

Usage

Import

import 'package:rounded_loading_button/rounded_loading_button.dart';

Simple Implementation

final RoundedLoadingButtonController _btnController = RoundedLoadingButtonController();

void _doSomething() async {
    Timer(Duration(seconds: 3), () {
        _btnController.success();
    });
}

RoundedLoadingButton(
    child: Text('Tap me!', style: TextStyle(color: Colors.white)),
    controller: _btnController,
    onPressed: _doSomething,
)

The Rounded Loading Button has many configurable properties, including:

  • duration – The duration of the button animation
  • loaderSize – The size of the CircularProgressIndicator
  • animateOnTap – Whether to trigger the loading animation on the tap event
  • resetAfterDuration – Reset the animation after specified duration, defaults to 15 seconds
  • errorColor – The color of the button when it is in the error state
  • successColor – The color of the button when it is in the success state
  • successIcon – The icon for the success state
  • failedIcon – The icon for the failed state

Demo