react-native-sk-countdown

##What is it react-native-sk-countdown is a simple countdown component for React Native, pure js implementation

##How to use it

1. npm install react-native-sk-countdown@latest --save

2. Write this in index.ios.js / index.android.js

/**
 * Sample React Native App
 * https://github.com/facebook/react-native
 */
'use strict';
import React, {
  AppRegistry,
  StyleSheet,
  Text,
  View
} from 'react-native';

var {CountDownText} = require('react-native-sk-countdown');

var test = React.createClass({
  render: function(){
    return (
      <View style={styles.container}>
        <Text style={styles.tip}>{'CountDown in seconds \n 以秒为单位的倒计时'}</Text>
        <View style={styles.row}>
          <CountDownText
            style={styles.cd}
            countType='seconds' // 计时类型：seconds / date
            auto={true} // 自动开始
            afterEnd={() => {}} // 结束回调
            timeLeft={10} // 正向计时 时间起点为0秒
            step={-1} // 计时步长，以秒为单位，正数则为正计时，负数为倒计时
            startText='获取验证码' // 开始的文本
            endText='获取验证码' // 结束的文本
            intervalText={(sec) => sec + '秒重新获取'} // 定时的文本回调
          />
        </View>
        <Text style={styles.tip}>{'CountDown in timestamp \n 以日期-时间为单位的倒计时'}</Text>
        <View style={styles.row}>
          <CountDownText // 倒计时
            style={styles.cd}
            countType='date' // 计时类型：seconds / date
            auto={true} // 自动开始
            afterEnd={() => {}} // 结束回调
            timeLeft={10} // 正向计时 时间起点为0秒
            step={-1} // 计时步长，以秒为单位，正数则为正计时，负数为倒计时
            startText='' // 开始的文本
            endText='' // 结束的文本
            intervalText={(date, hour, min, sec) => date + '天' + hour + '时' + min + '分' + sec} // 定时的文本回调
          />
        </View>
      </View>
    )
  }
});


const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'space-around',
    alignItems: 'center',
    backgroundColor: '#F5FCFF',
  },
  row: {
    padding: 7,
    backgroundColor: 'red',
    borderRadius: 7,
  },
  tip: {
    fontSize: 20,
  },
  cd: {
    textAlign: 'center',
    color: 'white',
    fontSize: 20,
  },
});

AppRegistry.registerComponent('test', () => test);

##Properties

Any Text property and the following:

Prop	Description	Default
countType	Countdown type, one of 'seconds' and 'date'.	None
auto	Whether to start countdown right now.	false
timeLeft	Seconds lefted to countdown.	None
step	Number to increment in each step.	-1
startText	Text before countdown.	None
endText	Text after countdown.	None
intervalText	A function to reture a text during countdown.	None
afterEnd	A callback function after countdown.	None

##Methods

Method	Description	Params
start	start countdown.	None
end	finish countdown.	None