About The Tutorial –

In this tutorial, we are going to learn “How To Show App Intro Slider in React Native“.

What is app intro functionality –

We use the app intro slider to show the basic information about the app the first time when you start the app.

So it’s basically used for introducing your app. here you showcase your attractive feature.

To create an app Intro Slider we are going to use the react-native-app-intro-slider library. here you find a AppIntroSlider component that is very easy to integrate.

So these are the 3 – types of app intro slider that meet your requirement implement that one in your app.

So let’s start to implement these.

Step 1 – Installation

First, we need to install the third-party npm plugin.

npm install react-native-app-intro-slider            
                or
yarn add react-native-app-intro-slider

Step 2 – Import

After installing the npm plugin successfully, now we need to import that plugin into your file.

import AppIntroSlider from 'react-native-app-intro-slider';

Step 3 – Set up the data

Now we are going to create a formate for data, which we show in this app intro, you can customize it based on your requirements.

const slides = [
  {
    key: 1,
    title: 'Title 1',
    text: 'Description.\nSay something cool',
    image: require('./assets/1.jpg'),
    backgroundColor: '#59b2ab',
  },
  {
    key: 2,
    title: 'Title 2',
    text: 'Other cool stuff',
    image: require('./assets/2.jpg'),
    backgroundColor: '#febe29',
  },
  {
    key: 3,
    title: 'Rocket guy',
    text: 'I\'m already out of descriptions\n\nLorem ipsum bla bla bla',
    image: require('./assets/3.jpg'),
    backgroundColor: '#22bcb5',
  }
];

Step 4 – Setup States

Here you need to define a variable based on that variable condition you show the slider.

this.state = {
    showRealApp: false
  }

Step 5 – Design the view

Now we set up the view for showing the app slider.

render() {
    if (this.state.showRealApp) {
      return <App />;
    } else {
      return <AppIntroSlider renderItem={this._renderItem}   data={slides} onDone={this._onDone}/>;
    }
  }

Step 6 – Complete code

Here we see the complete code of all three types of intro sliders.

Types of Intro Slider –

This third-party library provides you 3 types of sliders.

1. Simple Intro Slider – Basic

import React from 'react';
import { StyleSheet } from 'react-native';
import AppIntroSlider from 'react-native-app-intro-slider';
 
const slides = [
  {
    key: 1,
    title: 'Title 1',
    text: 'Description.\nSay something cool',
    image: require('./assets/1.jpg'),
    backgroundColor: '#59b2ab',
  },
  {
    key: 2,
    title: 'Title 2',
    text: 'Other cool stuff',
    image: require('./assets/2.jpg'),
    backgroundColor: '#febe29',
  },
  {
    key: 3,
    title: 'Rocket guy',
    text: 'I\'m already out of descriptions\n\nLorem ipsum bla bla bla',
    image: require('./assets/3.jpg'),
    backgroundColor: '#22bcb5',
  }
];
export default class App extends React.Component {
  this.state = {
    showRealApp: false
  }
  _renderItem = ({ item }) => {
    return (
      <View style={styles.slide}>
        <Text style={styles.title}>{item.title}</Text>
        <Image source={item.image} />
        <Text style={styles.text}>{item.text}</Text>
      </View>
    );
  }
  _onDone = () => {
    // User finished the introduction. Show real app through
    // navigation or simply by controlling state
    this.setState({ showRealApp: true });
  }
  render() {
    if (this.state.showRealApp) {
      return <App />;
    } else {
      return <AppIntroSlider renderItem={this._renderItem} data={slides} onDone={this._onDone}/>;
    }
  }
}

2. Configuring buttons – showSkipButton

Here is one twist, you need to show the icon so we need to install the third party for the icon.

npm i react-native-vector-icons

import React from 'react';
import Icon from 'react-native-vector-icons/Ionicons';
import { StyleSheet, View } from 'react-native';
import AppIntroSlider from 'react-native-app-intro-slider';
 
const styles = StyleSheet.create({
  buttonCircle: {
    width: 40,
    height: 40,
    backgroundColor: 'rgba(0, 0, 0, .2)',
    borderRadius: 20,
    justifyContent: 'center',
    alignItems: 'center',
  },
  //[...]
});
 
// slides = [...]
 
export default class App extends React.Component {
  _renderItem = ({ item }) => {
    return (
      <View style={styles.slide}>
        <Text style={styles.title}>{item.title}</Text>
        <Image source={item.image} />
        <Text style={styles.text}>{item.text}</Text>
      </View>
    );
  }
  _renderNextButton = () => {
    return (
      <View style={styles.buttonCircle}>
        <Ion
          name="md-arrow-round-forward"
          color="rgba(255, 255, 255, .9)"
          size={24}
        />
      </View>
    );
  };
  _renderDoneButton = () => {
    return (
      <View style={styles.buttonCircle}>
        <Ion
          name="md-checkmark"
          color="rgba(255, 255, 255, .9)"
          size={24}
        />
      </View>
    );
  };
  render() {
    return (
      <AppIntroSlider
        data={slides}
        renderDoneButton={this._renderDoneButton}
        renderNextButton={this._renderNextButton}
      />
    );
  }
}

3. Custom Buttons – bottomButtonandshowSkipButton

Step 7 – Run the app

Now you can run your app and see your sliders.

react-native run-android

react-native run-ios

Step 8 – Props

Name	Type	Default	Description
data	object	None, required	An array of objects (they should either contain a unique key-prop or you should pass a keyExtractor-function to the component)
renderItem	function	None, required	FlatList’s renderItem. Receives ({item, index, dimensions}) where dimensions contains height and width of the slides
onSlideChange	function	void	Called when user goes changes slide (by swiping or pressing next/prev). Function called with arguments (index: number, lastIndex: number)
renderPagination	function		Function to render a custom pagination/button component on top of slides. Receives the index of the currently active slide
onDone	function	void	Called when user ends the introduction by pressing the done button
onSkip	function	Scrolls to the end	Called when user presses the skip button
bottomButton	boolean	false	Enable to show a full-width button under pagination
dotStyle	style	{backgroundColor: ‘rgba(0, 0, 0, .2)’}	Style of inactive pagination dots
dotClickEnabled	boolean	true	Whether users can navigate using the pagination dots
activeDotStyle	style	{backgroundColor: ‘rgba(255, 255, 255, .9)’}	Style of active pagination dot
skipLabel	string	Skip	Custom label for Skip button
doneLabel	string	Done	Custom label for Done button
nextLabel	string	Next	Custom label for Next button
prevLabel	string	Back	Custom label for Prev button
showSkipButton	boolean	false	Enable to show a skip button to the left of pagination dots. When bottomButton == true the skip button is a small text under the full-width next button
showPrevButton	boolean	false	Enable to show a previous button. If showSkipButton is true, the skip button will be displayed on the first page and prev button on subsequent one
showNextButton	boolean	true	Disable to hide the next button
showDoneButton	boolean	true	Disable to hide the done button
renderNextButton	function	renders a Text-component	Use to supply your own next button. Has no effect if using renderPagination.
renderPrevButton	function	renders a Text-component	Use to supply your own prev button . Has no effect if using renderPagination
renderDoneButton	function	renders a Text-component	Use to supply your own done button. Has no effect if using renderPagination
renderSkipButton	function	renders a Text-component	Use to supply your own skip button. Has no effect if using renderPagination

Step 9 – Methods

Method Name	Arguments	Description
goToSlide	number	Change to slide with specified index
getListRef	none	Returns the Flat List ref

So we completed the react-native drag and drop functionality which is “How To Show App Intro Slider in React Native“

You can find my next post here.

You can find my post on medium as well click here please follow me on medium as well.

If have any query or issues, please feel free to ask.

For more info – https://www.npmjs.com/package/react-native-app-intro-slider

Happy Coding Guys.