React Native Shimmer Placeholder

Placeholder for both IOS and Android

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Get Started

Installation

Step 1: Install react-native-linear-gradient (dependence)

npm i react-native-linear-gradient --save && react-native link react-native-linear-gradient

or

yarn add react-native-linear-gradient && react-native link react-native-linear-gradient

Step 2: Install this package

npm i react-native-shimmer-placeholder --save

or

yarn add react-native-shimmer-placeholder

That's all!

For who using Expo

Just install direct this package

npm install https://github.com/tomzaku/react-native-shimmer-placeholder.git#expo --save

Usage

Simple

import ShimmerPlaceHolder from 'react-native-shimmer-placeholder'

<ShimmerPlaceHolder autoRun={true} />
<ShimmerPlaceHolder autoRun={true} visible={isFetched}>
  <Text>
    Wow, awesome here.
  </Text>
</ShimmerPlaceHolder>

Connect more components

componentDidMount() {
  this.runPlaceHolder();
}
runPlaceHolder() {
  if (Array.isArray(this.loadingAnimated) && this.loadingAnimated.length > 0) {
    Animated.parallel(
      this.loadingAnimated.map(animate => {
        if (animate&&animate.getAnimated) {
          return animate.getAnimated();
        }
        return null;
      }),
      {
        stopTogether: false,
      }
    ).start(() => {
        this.runPlaceHolder();
    })
  }
}
_renderRows(loadingAnimated, numberRow, uniqueKey) {
  let shimmerRows = [];
  for(let index = 0; index < numberRow; index++ ){
    shimmerRows.push(
      <ShimmerPlaceHolder
          key={`loading-${index}-${uniqueKey}`}
          ref={(ref) => loadingAnimated.push(ref)}
          style={{ marginBottom: 7 }}
      />
    )
  }
  return (
    <View>
      {shimmerRows}
    </View>
  )
}
render() {
  this.loadingAnimated = [];
  return(
    {this._renderRows(this.loadingAnimated, 3, '3rows')}
  )
}

More Detail see this

Props

Prop	Description	Type	Default
visible	visible child components	boolean	false
style	Styles applied to the container of Shimmer Placeholder		{backgroundColor: '#ebebeb',overflow: 'hidden'}
width	With of row	number	200
duration	Duration of shimmer over a row	number	300
height	height of row	number	15
widthShimmer	percent of line placeholder	number	1.0
reverse	Reverse direction	boolean	true
autoRun	Run shimmer animated at begin	boolean	false
isInteraction	Defines whether or not the shimmer animation creates an interaction handle on the InteractionManager	boolean	true
colorShimmer	Color of the shimmer.	string	['#ebebeb', '#c5c5c5', '#ebebeb']
backgroundColorBehindBorder	If you use border in style you have to set background behide(to force Android work).	string	'white'

Methods

Method	Description	Type
getAnimated	get Animated of Placeholder	Animated

Contribute

Any help this module will be approciate!

License

MIT