flutter按钮

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flutter progress按钮是一个免费的开源(MIT许可证)Material Flutter Button,支持各种按钮样式需求。

flutter_progress_button

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flutter_progress_button is a free and open source (MIT license) Material Flutter Button that supports variety of buttons style demands. It is designed to be easy to use and customizable.

Get started

Depend on it

Add this to your package’s pubspec.yaml file:

flutter_progress_button: '^1.0.0'

Install it

You can install packages from the command line:

$ flutter pub get

Alternatively, your editor might support flutter pub get.

Import it

Now in your Dart code, you can use:

import 'package:flutter_progress_button/flutter_progress_button.dart';

How to use

Add ProgressButton to your widget tree:

ProgressButton(
    normalWidget: const Text('I am a button'),
    progressWidget: const CircularProgressIndicator(),
    width: 196,
    height: 40,
    onPressed: () async {
        int score = await Future.delayed(
            const Duration(milliseconds: 3000), () => 42);
        // After [onPressed], it will trigger animation running backwards, from end to beginning
        return () {
        // Optional returns is returning a VoidCallback that will be called
        // after the animation is stopped at the beginning.
        // A best practice would be to do time-consuming task in [onPressed],
        // and do page navigation in the returned VoidCallback.
        // So that user won't missed out the reverse animation.
        };
    },
),

More parameters:

ProgressButton({
    Key key,
    this.defaultWidget,
    this.progressWidget,
    this.onPressed,
    this.type = ProgressButtonType.Raised,
    this.color,
    this.width = double.infinity,
    this.height = 40.0,
    this.borderRadius = 2.0,
    this.animate = true,
}) : super(key: key);

Three types supported:

enum ProgressButtonType {
    Raised,
    Flat,
    Outline,
}

Source

Source code and example of this library can be found in git:

$ git clone https://github.com/jiangyang5157/flutter_progress_button.git

Github主页 👉jiangyang5157/flutter_progress_button

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