https://github.com/taixw2/flutter_countdown

An easy way to use count down
https://github.com/taixw2/flutter_countdown

Last synced: 5 days ago
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An easy way to use count down

• Host: GitHub
• URL: https://github.com/taixw2/flutter_countdown
• Owner: taixw2
• License: mit
• Created: 2018-11-16T01:38:19.000Z (almost 6 years ago)
• Default Branch: master
• Last Pushed: 2020-02-19T03:58:49.000Z (over 4 years ago)
• Last Synced: 2024-05-28T22:15:59.076Z (6 months ago)
• Language: Dart
• Size: 166 KB
• Stars: 7
• Watchers: 2
• Forks: 4
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

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README

        
# flutter_countdown

An easy way to use count down

## How to use flutter_countdown

1. Open the `pubspec.yaml` file, and add `flutter_countdown: ` unde `dependencies`:

```

  dependencies:

    flutter:

      sdk: flutter

    # ...

    # ...

    flutter_countdown: ^0.1.3

```

2. install it from terminal: Run `flutter packages get`

## Example

![example](./show.gif)

``` dart

import "package:flutter/material.dart";

import 'package:flutter_countdown/countdown.dart';

void main() {

  runApp(Example());

}

class Example extends StatelessWidget {

  final int beginCount = 5;

  

  @override

  Widget build(BuildContext context) {

    return new Scaffold(

      body: new Card(

          child: new Center(

        child: CountDown(

          renderSemanticLabel: (count) {

            if (count == beginCount) {

              return "点击获取验证码";

            }

            return "$count 秒后重试";

          },

          beginCount: beginCount,

          endCount: 0,

          onPress: (ctr) {

            if (ctr.isAnimating) {

              return  Future.value(false);

            }

            return Future.value(true);

          }

        ),

      )),

    );

  }

}

```

### link

[stackoverflow](https://stackoverflow.com/questions/44302588/flutter-create-a-countdown-widget#answer-44309043)