count_down_timer 0.0.6

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  • Changelog
  • Example
  • Installing
  • 83

count_down_timer #

A new Flutter countdown project that can be used to send SMS verification code scenarios

How to Use #

# add this line to your dependencies
count_down_timer: ^0.0.6
import 'package:count_down_timer/count_down_timer.dart';

        startSeconds: 6,
        onTapCallback: (timer) {
          print('onTapCallback:current is ${timer.tick}s');
        language: CountDown.EN,
        verifyStr: "Send",
        enableTS: TextStyle(color: const Color(0xff000000)),
        disableTS: TextStyle(color: const Color(0xff999999)),


onTapCallbackFunction (timer)
enableTSTextStyle : clickable TextStyleTextStyle(color: const Color(0xff000000))
disableTSTextStyle : unclickable TextStyleTextStyle(fontSize: 16, color: const Color(0xff999999))
languageCountDown.EN or CountDown.ZH

GitHub #

  • TODO: Describe initial release.

[0.0.1] - TODO: Add release date.

[0.0.2] - TODO: Add release date.

[0.0.3] - TODO: Add release date.

add property String type: verifyStr

[0.0.4] - TODO: Add release date.

[0.0.5] - TODO: Add release date.

add property enmu type: language

[0.0.6] - TODO: release date:2019.08.10.

upgrade Dart SDK


example #

import 'package:flutter/material.dart';

import 'count_down_timer.dart';

///author xiejianlong
///date 2019/6/13 17:28

void main() => runApp(Example());

class Example extends StatelessWidget {
  // This widget is the root of your application.
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'CountDownWidget Demo',
      theme: ThemeData(
        // This is the theme of your application.
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
      home: CountDownWidget(
        startSeconds: 60,
        onTapCallback: (timer) {
          print('onTapCallback:current is ${timer.tick}s');
        language: CountDown.EN,
        verifyStr: "Send",
        enableTS: TextStyle(color: const Color(0xff00ff00)),
        disableTS: TextStyle(color: const Color(0xff999999)),

Use this package as a library

1. Depend on it

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

  count_down_timer: ^0.0.6

2. Install it

You can install packages from the command line:

with Flutter:

$ flutter pub get

Alternatively, your editor might support flutter pub get. Check the docs for your editor to learn more.

3. Import it

Now in your Dart code, you can use:

import 'package:count_down_timer/count_down_timer.dart';
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Learn more about scoring.

We analyzed this package on Oct 18, 2019, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.5.1
  • pana: 0.12.21
  • Flutter: 1.9.1+hotfix.4


Detected platforms: Flutter

References Flutter, and has no conflicting libraries.

Maintenance suggestions

Package is pre-v0.1 release. (-10 points)

While nothing is inherently wrong with versions of 0.0.*, it might mean that the author is still experimenting with the general direction of the API.


Package Constraint Resolved Available
Direct dependencies
Dart SDK >=2.1.0 <3.0.0
flutter 0.0.0
Transitive dependencies
collection 1.14.11 1.14.12
meta 1.1.7
sky_engine 0.0.99
typed_data 1.1.6
vector_math 2.0.8
Dev dependencies