Responsive React Native Animated Bar

Install

npm install react-native-animated-bar --save

yarn add react-native-animated-bar

Live Demo

https://snack.expo.io/Hk03E4Avb

Configuration Options

• height - Configure the height. Default: 10. AutoSize height of bar set to null (height={null})
• borderColor - Configures the border color. Default: #000.
• borderWidth - Configures the width of the border. Default: 1.
• borderRadius - Configures border radius. Default: 0.
• barColor - Configures the color of the progress bar. Default: #FFF.
• fillColor - Configures color behind progress bar. Default: rgba(0,0,0,.5).
• duration - Configures length of time in milliseconds the change in progress should take. Default: 100.
• animate - Configures whether or not change in progress should be animated. Default: true
• onAnimate - Callback listener for the animated value. Default: undefined
• style - Pass in any styling for the outer containing view. This defines the general layout of the bar for column, row, and the height prop.
• wrapStyle - Add arbitrary styling to the wrapping view. This is where borderColor, borderWidth, and borderRadius stylings are applied.
• fillStyle - Add arbitrary styling to inner fill(behind the bar), this is what fillColor is applied to.
• barStyle - Add arbitrary styling to the bar, this si what barColor is applied to.

Any color above can be an animated interpolated value

Example Usage

import React, { Component } from 'react';
import {
  AppRegistry,
  StyleSheet,
  Text,
  View
} from 'react-native';

import AnimatedBar from "react-native-animated-bar";

export default class example extends Component {
  render() {
    return (
      <View style={styles.container}>
        <AnimatedBar />
      </View>
    );
  }
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
  },
});

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

The Big Examples

import React, { Component } from "react";
import { AppRegistry, StyleSheet, Text, View } from "react-native";

import AnimatedBar from "react-native-animated-bar";

export default class example extends Component {
  state = {
    progress: 0,
  };

  componentDidMount() {
    const interval = setInterval(() => {
      if (this.state.progress > 0.9) return clearInterval(interval);

      this.setState(state => {
        return {
          progress: state.progress + 0.1,
        };
      });
    }, 1000);
  }

  render() {
    return (
      <View style={styles.container}>
        <View>
          <Text>No configuration</Text>
          <AnimatedBar progress={this.state.progress} />
        </View>

        <View>
          <Text>Config Options</Text>
          <AnimatedBar
            progress={this.state.progress}
            height={50}
            borderColor="#DDD"
            fillColor="tomato"
            barColor="red"
            borderRadius={5}
          />
        </View>

        <View>
          <Text>No Animation. No Border</Text>
          <AnimatedBar
            progress={this.state.progress}
            height={20}
            borderColor="#DDD"
            barColor="tomato"
            borderRadius={5}
            borderWidth={0}
            animate={false}
          />
        </View>
        <View>
          <Text>Auto Sizing in a Column</Text>
          <AnimatedBar
            progress={this.state.progress}
            height={null}
            borderColor="#DDD"
            barColor="tomato"
            borderRadius={5}
            borderWidth={5}
            duration={500}
          >
            <View style={[styles.row, styles.center]}>
              <Text style={[styles.barText, { fontSize: 30 }]}>
                {Math.round(this.state.progress * 100)}%
              </Text>
            </View>
          </AnimatedBar>
        </View>

        <View>
          <Text>Longer duration on transition</Text>
          <AnimatedBar
            progress={this.state.progress}
            height={20}
            borderColor="#DDD"
            barColor="tomato"
            borderRadius={5}
            borderWidth={5}
            duration={500}
          />
        </View>
        <View style={styles.row}>
          <Text style={styles.rowText}>Progress with Children: </Text>
          <AnimatedBar
            progress={this.state.progress}
            height={40}
            borderColor="#DDD"
            barColor="tomato"
            borderRadius={5}
            borderWidth={5}
            duration={500}
            row
          >
            <View style={[styles.row, styles.center, { flex: 1 }]}>
              <Text style={styles.barText}>
                {Math.round(this.state.progress * 100)}%
              </Text>
            </View>
          </AnimatedBar>
        </View>

        <View style={styles.row}>
          <Text style={styles.rowText}>Auto Sizing to Children on Row: </Text>
          <AnimatedBar
            progress={this.state.progress}
            height={null}
            borderColor="#DDD"
            barColor="tomato"
            borderRadius={5}
            borderWidth={5}
            duration={500}
            row
          >
            <View style={[styles.row, styles.center]}>
              <Text style={[styles.barText, { fontSize: 30 }]}>
                {Math.round(this.state.progress * 100)}%
              </Text>
            </View>
          </AnimatedBar>
        </View>
      </View>
    );
  }
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    paddingTop: 30,
    paddingHorizontal: 30,
    justifyContent: "space-around",
  },
  rowText: {
    marginRight: 20,
  },
  row: {
    flexDirection: "row",
  },
  center: {
    justifyContent: "center",
    alignItems: "center",
  },
  barText: {
    backgroundColor: "transparent",
    color: "#FFF",
  },
});

AppRegistry.registerComponent("example", () => example);