count_down_timer 0.0.6

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  • 80

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';

CountDownWidget(
        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)),
      )

API #

propertydescriptiondefaultValue
startSecondsint60
onTapCallbackFunction (timer)
enableTSTextStyle : clickable TextStyleTextStyle(color: const Color(0xff000000))
disableTSTextStyle : unclickable TextStyleTextStyle(fontSize: 16, color: const Color(0xff999999))
verifyStrString
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/count_down_timer.dart

library count_down_timer;

import 'dart:async';

import 'package:flutter/widgets.dart';
import 'package:flutter/material.dart';

///author xiejianlong
///description count down widget
///date 2019/6/11 14:53
///modify
enum CountDown { EN, ZH }

class CountDownWidget extends StatefulWidget {
  final int startSeconds;
  final TextStyle enableTS, disableTS;
  final String verifyStr;
  final CountDown language;

  /// click callback
  final Function onTapCallback;

  CountDownWidget(
      {this.startSeconds: 60,
        this.onTapCallback,
        this.enableTS:
        const TextStyle(fontSize: 16, color: const Color(0xff00ff00)),
        this.disableTS:
        const TextStyle(fontSize: 16, color: const Color(0xff999999)),
        this.verifyStr,
        this.language: CountDown.ZH});

  @override
  _CountDownState createState() {
    // TODO: implement createState
    return _CountDownState();
  }
}

class _CountDownState extends State<CountDownWidget> {
  Timer _timer;
  int _seconds;
  bool _enable = true;

  TextStyle _inkWellStyle;

  String _verifyStr;

  @override
  void initState() {
    // TODO: implement initState
    super.initState();
    _verifyStr = widget.language == CountDown.ZH ? '获取验证码' : 'Send';
    _seconds = widget.startSeconds;
    _inkWellStyle = widget.enableTS;
  }

  @override
  void dispose() {
    // TODO: implement dispose
    super.dispose();
    _cancelTimer();
  }

  @override
  Widget build(BuildContext context) {
    // TODO: implement build
    return InkWell(
      child: Text(
        '$_verifyStr',
        style: _inkWellStyle,
      ),
      onTap: (_enable && (_seconds == widget.startSeconds))
          ? () {
        _startTimer();
      }
          : null,
    );
  }

  void _startTimer() {
    _timer = Timer.periodic(Duration(seconds: 1), (timer) {
      if (_seconds == 0) {
        _cancelTimer();
        _seconds = widget.startSeconds;
        _verifyStr = widget.language == CountDown.ZH ? '重新发送' : 'Resend';
        _enable = true;
        _inkWellStyle = widget.enableTS;
        setState(() {});
        return;
      }

      _enable = false;
      _inkWellStyle = widget.disableTS;
      _seconds--;
      _verifyStr = '${_seconds}s';
      setState(() {});
      widget.onTapCallback(timer);
    });
  }

  void _cancelTimer() {
    _timer?.cancel();
  }
}

Use this package as a library

1. Depend on it

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


dependencies:
  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';
  
Popularity:
Describes how popular the package is relative to other packages. [more]
64
Health:
Code health derived from static analysis. [more]
100
Maintenance:
Reflects how tidy and up-to-date the package is. [more]
90
Overall:
Weighted score of the above. [more]
80
Learn more about scoring.

We analyzed this package on Mar 27, 2020, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.7.1
  • pana: 0.13.6
  • Flutter: 1.12.13+hotfix.8

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.

Dependencies

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 1.1.8
sky_engine 0.0.99
typed_data 1.1.6
vector_math 2.0.8
Dev dependencies
flutter_test