“React Slider de barra de progreso nativo” Código de respuesta

React Slider de barra de progreso nativo

import React, { Component } from 'react';

import { defaultString } from '../String/defaultStringValue';
import {
  View,
  Text,
  StyleSheet,
  Image,
  Slider,
  TouchableOpacity,
} from 'react-native';

function pad(n, width, z = 0) {
  n = n + '';
  return n.length >= width ? n : new Array(width - n.length + 1).join(z) + n;
}

const minutesAndSeconds = (position) => ([
  pad(Math.floor(position / 60), 2),
  pad(position % 60, 2),
]);

const SeekBar = ({
  trackLength,
  currentPosition,
  onSeek,
  onSlidingStart,
}) => {
  const elapsed = minutesAndSeconds(currentPosition);
  const remaining = minutesAndSeconds(trackLength - currentPosition);
  return (
    <View style={styles.container}>
      <View style={{ flexDirection: 'row' }}>
        <Text style={[styles.text, { color: defaultString.darkColor }]}>
          {elapsed[0] + ":" + elapsed[1]}
        </Text>
        <View style={{ flex: 1 }} />
        <Text style={[styles.text, { width: 40, color: defaultString.darkColor }]}>
          {trackLength > 1 && "-" + remaining[0] + ":" + remaining[1]}
        </Text>
      </View>
      <Slider
        maximumValue={Math.max(trackLength, 1, currentPosition + 1)}
        onSlidingStart={onSlidingStart}
        onSlidingComplete={onSeek}
        value={currentPosition}
        minimumTrackTintColor={defaultString.darkColor}
        maximumTrackTintColor={defaultString.lightGrayColor}
        thumbStyle={styles.thumb}
        trackStyle={styles.track}
      />
    </View>
  );
};

export default SeekBar;

const styles = StyleSheet.create({
  slider: {
    marginTop: -12,
  },
  container: {
    paddingLeft: 16,
    paddingRight: 16,
    paddingTop: 16,
  },
  track: {
    height: 2,
    borderRadius: 1,
  },
  thumb: {
    width: 10,
    height: 10,
    borderRadius: 5,
    backgroundColor: defaultString.darkColor,
  },
  text: {
    color: 'rgba(255, 255, 255, 0.72)',
    fontSize: 12,
    textAlign: 'center',
  }
});