How to useInline Styling in ReactJS

In this approach, The app showcases a title (“Geeksfo­rgeeks”), a paragraph descr­ibing the purpose (“Z Index Examp­le”), and three styled cards. Each card has its own unique backg­round color and text content. To control the stacking order of these cards, the z-Index property is applied, assigning the lowest value to the first card and incre­ase it up to the highest value for the third card.

Example: Suppose in this code if we change the z-Index value to 5 then the card one (Which has the background white) will overlay one card two and card three.

Javascript




import React from "react";
import { View, Text, StyleSheet } from "react-native";
  
export default function App() {
    return (
        <View style={styles.container}>
            <Text style={styles.heading}>
                w3wiki
            </Text>
            <Text style={styles.paragraph}>
                Z Index Example
            </Text>
            <View style={styles.card}>
                <Text style={styles.cardText}>
                    w3wiki
                </Text>
            </View>
            <View style={styles.card2}>
                <Text style={styles.cardText}>
                    Hellow World!!
                </Text>
            </View>
            <View style={styles.card3}>
                <Text style={styles.cardText}>
                    zIndex Native
                </Text>
            </View>
        </View>
    );
}
  
const styles = StyleSheet.create({
    container: {
        flex: 1,
        justifyContent: "center",
        alignItems: "center",
    },
    heading: {
        fontSize: 25,
        color: "green",
        fontWeight: "bold",
        textAlign: "center",
    },
    paragraph: {
        margin: 24,
        fontSize: 18,
        fontWeight: "bold",
        textAlign: "center",
    },
    card: {
        backgroundColor: "#EAEAEA",
        margin: 24,
        marginBottom: 0,
        height: 240,
        borderRadius: 8,
        zIndex: 1, // zIndex applied here
    },
    card2: {
        backgroundColor: "#FFC107",
        margin: 24,
        marginBottom: 0,
        height: 200,
        width: 140,
        marginTop: -150,
        borderRadius: 8,
        zIndex: 2, // zIndex applied here
    },
    card3: {
        backgroundColor: "#6ED4C8",
        margin: 24,
        marginBottom: 12,
        height: 100,
        marginTop: -100,
        borderRadius: 8,
        zIndex: 3, // zIndex applied here
    },
    cardText: {
        fontSize: 16,
        padding: 10,
        textAlign: "center",
    },
});


Step 3: To run the React native application, open the command prompt or terminal and enter the command listed below.

npx expo start
  • To run on Android:
npx react-native run-android
  • To run on iOS:
npx react-native run-ios

Output:

How to Use Z-Index In React Native ?

The CSS property called z-Index allows us to control the stacking order of elements on a web page. This concept works similarly in React Native, where the z-Index attribute enables the specif­ication of element display order on the screen. By assigning a higher value to an element’s z-index, Elements with a higher z-index value appear on top of elements with lower values. In this article, we will see the working of the Z-index attribute in React Native.

Syntax

<Component style={{ zIndex: value }} />

Here, the Component is the component you want to apply the zIndex to, and the value is the integer representing the stacking order.

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Approach 1: Using Inline Styling

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In this approach, The app showcases a title (“Geeksfo­rgeeks”), a paragraph descr­ibing the purpose (“Z Index Examp­le”), and three styled cards. Each card has its own unique backg­round color and text content. To control the stacking order of these cards, the z-Index property is applied, assigning the lowest value to the first card and incre­ase it up to the highest value for the third card....