Curriculum

Styling in React Native

Introduction to Styling in React Native

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Starting Course

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Advanced Styling Techniques

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After Intro

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Using Third-Party Libraries for Styling

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Responsive Design and Media Queries

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Detailed Overview of Style Properties in React Native

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Comparing Styling Techniques

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Animations and Transitions

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Final Project

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Final Assessment

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Text lesson

Lesson 3: Working with Images and Backgrounds

Introduction

Images and backgrounds play a significant role in the visual appeal of a mobile app. React Native provides various ways to style and manipulate these elements.

Key Concepts

Image Sizing: Setting width, height, and resizing modes.
Background Colors: Using background colors to enhance visual hierarchy.
Background Images: Setting and styling background images.

Real World Scenario: JUST-Learning App

Consider the course detail screen of the “JUST-Learning” app. It should feature a prominent background image and course thumbnail to attract users.

Example Code:

import React from 'react';

import { StyleSheet, View, Text, Image, ImageBackground } from 'react-native';
const CourseDetail = () => {

  return (

    <ImageBackground source={{ uri: 'https://example.com/background.jpg' }} style={styles.background}>

      <View style={styles.container}>

        <Image source={{ uri: 'https://example.com/course-thumbnail.jpg' }} style={styles.thumbnail} />

        <Text style={styles.title}>Advanced React Native</Text>

        <Text style={styles.description}>Deep dive into advanced topics of React Native.</Text>

      </View>

    </ImageBackground>

  );

};
const styles = StyleSheet.create({

  background: {

    flex: 1,

    resizeMode: 'cover',

    justifyContent: 'center',

    alignItems: 'center',

  },

  container: {

    padding: 16,

    backgroundColor: 'rgba(255, 255, 255, 0.8)',

    borderRadius: 8,

    alignItems: 'center',

  },

  thumbnail: {

    width: 150,

    height: 150,

    borderRadius: 8,

    marginBottom: 16,

  },

  title: {

    fontSize: 24,

    fontWeight: 'bold',

    marginBottom: 8,

  },

  description: {

    fontSize: 16,

    color: '#666',

  },

});

export default CourseDetail;

Best Practices

Use high-quality images to ensure clarity and visual appeal.
Balance background colors and images to avoid clutter.

Benefits and Limitations

Benefits: Well-styled images and backgrounds can significantly enhance the app’s visual appeal.
Limitations: Large images can impact performance and load times.

Conclusion

In this lesson, you learned how to work with images and backgrounds in React Native. These techniques are vital for creating visually engaging and attractive mobile apps.