react-native-countdown-timer-text

``JavaScript
import {CountDownText} from 'react-native-countdown-timer-text';

style={styles.cd}
countType='seconds'
auto={true}
afterEnd={() => {}}
timeLeft={10}
step={-1}
startText='Start'
endText='End'
intervalText={(sec) => sec + '秒重新获取'}
/>

style={styles.cd}
countType='date'
auto={true}
afterEnd={() => {}}
timeLeft={10}
step={-1}
startText=''
endText=''
intervalText={(date, hour, min, sec) => date + '天' + hour + '时' + min + '分' + sec}
/>
``