A simple and smooth content loader for react native

react-native-masked-loader

Creating butter smooth content and skeleton loader in react native.

react-native-skeleton-loader is using react-native-masked-view and react-native-svg. you can simply create your SVG elements with an arbitry color and pass it to the library;

Platforms Supported

iOS

Android

Getting Started

$ yarn add react-native-masked-loader react-native-masked-view react-native-svg

$ npm install --save react-native-masked-loader react-native-masked-view react-native-svg

for IOS

$ cd ios
  pod install

Example 1	Example 2

Props

Type	Required	Description
MaskedElement	Yes
duration	No	animation duration in millisecond the default is 1200
delay	No	delay in millisecond for every round of animation default is zero
forColor	No	the animated gradient color default is #CBCBCB
forColorOpacity	No	its recommended to use this when you have backgroundImage, the default is 1
backColor	No	the backgound of maked view the default is #E0E0E0
backgroundImage	No	the backgoundImage => backgoundImage={uri:'imageUrl'}
dir	No	animation direction the default is "ltr", ltr/rtl/top/bottom

Usage

import React from 'react';
import { View, StyleSheet } from 'react-native';
import Svg, { Rect } from 'react-native-svg';
import ContentLoader from 'react-native-masked-loader';

const styles = StyleSheet.create({
  container: {
    backgroundColor: '#fff',
    padding: '35px 24px 0 24px',
    height: 285,
  }
});

function getMaskedElement() {
  return (
    <Svg height={250} width="100%" fill={'black'}>
      <Rect x="0" y="0" rx="8" ry="8" width="50%" height="16" />
      <Rect x="0" y="30" rx="9" ry="9" width="100%" height="128" />
      <Rect x="0" y="172" rx="4" ry="4" width="100%" height="8" />
      <Rect x="0" y="188" rx="4" ry="4" width="100%" height="8" />
      <Rect x="0" y="204" rx="4" ry="4" width="100%" height="8" />
    </Svg>
  );
}

export default function BOSLoader() {
  const MaskedElement = getMaskedElement();
  return (
    <View style={styles.container}>
      <ContentLoader MaskedElement={MaskedElement} />
    </View>
  );
}

Advance Usage

import React from 'react';
import { View, StyleSheet, ScrollView } from 'react-native';
import Svg, { Rect, Circle } from 'react-native-svg';
import ContentLoader from 'react-native-masked-loader';

const styles = StyleSheet.create({
  container_1: {
    backgroundColor: '#fff',
    paddingHorizontal: 24,
    paddingVertical: 30,
    height: 285
  },
  container_2: {
    backgroundColor: '#fff',
    height: 145,
  },
  cardLoaderContainer: {
    width: '100%',
    flexDirection: 'row',
    paddingBottom: 20
  },
  cardCircleWrapper:{
    paddingTop: 20,
    paddingLeft: 33,
    width: 147
  },
  cardContextWrapper:{
    flex: 1,
    padding: 20,
    paddingLeft: 22,
    paddingBottom: 0
  }
});



function getMaskedElement_1() {
  return (
    <Svg height={250} width="100%" fill={'black'}>
      <Rect x="0" y="0" rx="8" ry="8" width="50%" height="16" />
      <Rect x="0" y="30" rx="9" ry="9" width="100%" height="128" />
      <Rect x="0" y="172" rx="4" ry="4" width="100%" height="8" />
      <Rect x="0" y="188" rx="4" ry="4" width="100%" height="8" />
      <Rect x="0" y="204" rx="4" ry="4" width="100%" height="8" />
    </Svg>
  );
}


function getMaskedElement_2() {

  return (
    <>
      <View style={styles.cardLoaderContainer}>
        <View style={styles.cardCircleWrapper}>
           <Svg height={105} width="100%" fill={'black'}>
              <Circle cx="52" cy="52" r="52" />
            </Svg>
        </View>
        <View style={styles.cardContextWrapper}>
          <Svg height={105} width="100%" fill={'black'}>
            <Rect x="0" y="0" rx="7" ry="7" width="100%" height="12" />
            <Rect x="0" y="29" rx="7" ry="7" width="100%" height="12" />
            <Rect x="0" y="53" rx="7" ry="7" width="100%" height="12" />
            <Rect x="0" y="77" rx="7" ry="7" width="50%" height="12" />
          </Svg>
        </View>
      </View>
    </>
  );
}

export default function LoaderComponent() {

  const MaskedElement_1 = getMaskedElement_1();
  const MaskedElement_2 = getMaskedElement_2();

  return (
    <ScrollView>

      {/* Basic Example with direction */}
      <View style={styles.container_1}>
        <ContentLoader MaskedElement={MaskedElement_1} dir={'rtl'} duration={2000} forColor="#cfcfcf" backColor="gray"/>
      </View>

      {/* diffrent svg mask item */}
      <View style={styles.container_2}>
        <ContentLoader MaskedElement={MaskedElement_2} />
      </View>

      {/* background image with forcolor opacity */}
      <View style={styles.container_1}>
        <ContentLoader 
          MaskedElement={MaskedElement_1} 
          forColorOpacity={0.8} 
          backgroundImage={{uri:'https://i.pinimg.com/originals/11/f7/75/11f7754f6c4b3994c2656c09283d3c13.jpg'}}
        />
      </View>

    </ScrollView>
  );
}