کتاب الکترونیکی React Native Notes For Professionals

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About …………………………………………………………………………………………………………………………………………………………….. 1

Chapter 1: Getting started with React Native …………………………………………………………………………………… 2

Section 1.1: Setup for Mac …………………………………………………………………………………………………………………………… 2

Section 1.2: Setup for Linux (Ubuntu) ………………………………………………………………………………………………………….. 8

Section 1.3: Setup for Windows …………………………………………………………………………………………………………………. 10

Chapter 2: Hello World …………………………………………………………………………………………………………………………… 12

Section 2.1: Editing index.ios.js or index.android.js ……………………………………………………………………………………… 12

Section 2.2: Hello world! ……………………………………………………………………………………………………………………………. 12

Chapter 3: Props ………………………………………………………………………………………………………………………………………. 13

Section 3.1: PropTypes ……………………………………………………………………………………………………………………………… 13

Section 3.2: What are props? ……………………………………………………………………………………………………………………. 14

Section 3.3: Use of props ………………………………………………………………………………………………………………………….. 14

Section 3.4: Default Props ………………………………………………………………………………………………………………………… 15

Chapter 4: Multiple props rendering …………………………………………………………………………………………………. 16

Section 4.1: render multiple variables ………………………………………………………………………………………………………… 16

Chapter 5: Modal …………………………………………………………………………………………………………………………………….. 17

Section 5.1: Modal Basic Example ……………………………………………………………………………………………………………… 17

Section 5.2: Transparent Modal Example ………………………………………………………………………………………………….. 18

Chapter 6: State ………………………………………………………………………………………………………………………………………. 20

Section 6.1: setState ………………………………………………………………………………………………………………………………….. 20

Section 6.2: Initialize State ………………………………………………………………………………………………………………………… 22

Chapter 7: Routing ………………………………………………………………………………………………………………………………….. 23

Section 7.1: Navigator component …………………………………………………………………………………………………………….. 23

Chapter 8: Styling ……………………………………………………………………………………………………………………………………. 24

Section 8.1: Conditional Styling …………………………………………………………………………………………………………………. 24

Section 8.2: Styling using inline styles ……………………………………………………………………………………………………….. 24

Section 8.3: Styling using a stylesheet ………………………………………………………………………………………………………. 24

Section 8.4: Adding multiple styles ……………………………………………………………………………………………………………. 24

Chapter 9: Layout ……………………………………………………………………………………………………………………………………. 26

Section 9.1: Flexbox …………………………………………………………………………………………………………………………………… 26

Chapter 10: Components ……………………………………………………………………………………………………………………….. 35

Section 10.1: Basic Component ………………………………………………………………………………………………………………….. 35

Section 10.2: Stateful Component ……………………………………………………………………………………………………………… 35

Section 10.3: Stateless Component ……………………………………………………………………………………………………………. 35

Chapter 11: ListView ………………………………………………………………………………………………………………………………… 37

Section 11.1: Simple Example ……………………………………………………………………………………………………………………… 37

Chapter 12: RefreshControl with ListView ………………………………………………………………………………………… 38

Section 12.1: Refresh Control with ListView Full Example ……………………………………………………………………………. 38

Section 12.2: Refresh Control ……………………………………………………………………………………………………………………. 39

Section 12.3: onRefresh function Example …………………………………………………………………………………………………. 39

Chapter 13: WebView ……………………………………………………………………………………………………………………………… 41

Section 13.1: Simple component using webview …………………………………………………………………………………………. 41

Chapter 14: Command Line Instructions ………………………………………………………………………………………….. 42

Section 14.1: Check version installed ………………………………………………………………………………………………………….. 42

Section 14.2: Initialize and getting started with React Native project ………………………………………………………….. 42

Section 14.3: Upgrade existing project to latest RN version ……………………………………………………………………….. 42

Section 14.4: Add android project for your app …………………………………………………………………………………………. 42

Section 14.5: Logging ……………………………………………………………………………………………………………………………….. 43

Section 14.6: Start React Native Packager ………………………………………………………………………………………………… 43

Chapter 15: HTTP Requests ………………………………………………………………………………………………………………….. 44

Section 15.1: Using Promises with the fetch API and Redux ………………………………………………………………………… 44

Section 15.2: HTTP with the fetch API ………………………………………………………………………………………………………… 44

Section 15.3: Networking with XMLHttpRequest …………………………………………………………………………………………. 45

Section 15.4: WebSockets …………………………………………………………………………………………………………………………. 45

Section 15.5: Http with axios ……………………………………………………………………………………………………………………… 45

Section 15.6: Web Socket with Socket.io …………………………………………………………………………………………………….. 47

Chapter 16: Platform Module ……………………………………………………………………………………………………………….. 49

Section 16.1: Find the OS Type/Version ……………………………………………………………………………………………………… 49

Chapter 17: Images …………………………………………………………………………………………………………………………………. 50

Section 17.1: Image Module ……………………………………………………………………………………………………………………….. 50

Section 17.2: Image Example …………………………………………………………………………………………………………………….. 50

Section 17.3: Conditional Image Source …………………………………………………………………………………………………….. 50

Section 17.4: Using variable for image path ………………………………………………………………………………………………. 50

Section 17.5: To fifit an Image …………………………………………………………………………………………………………………….. 51

Chapter 18: Custom Fonts …………………………………………………………………………………………………………………….. 52

Section 18.1: Custom fonts for both Android and IOS …………………………………………………………………………………. 52

Section 18.2: Steps to use custom fonts in React Native (Android) …………………………………………………………….. 53

Section 18.3: Steps to use custom fonts in React Native (iOS) ……………………………………………………………………. 53

Chapter 19: Animation API …………………………………………………………………………………………………………………….. 56

Section 19.1: Animate an Image ………………………………………………………………………………………………………………… 56

Chapter 20: Android – Hardware Back Button ……………………………………………………………………………….. 57

Section 20.1: Detect Hardware back button presses in Android …………………………………………………………………. 57

Section 20.2: Example of BackAndroid along with Navigator ……………………………………………………………………. 57

Section 20.3: Hardware back button handling using BackHandler and Navigation Properties (without

using deprecated BackAndroid & deprecated Navigator) ………………………………………………………………….. 58

Section 20.4: Example of Hardware back button detection using BackHandler …………………………………………. 59

Chapter 21: Run an app on device (Android Version) …………………………………………………………………… 60

Section 21.1: Running an app on Android Device ……………………………………………………………………………………….. 60

Chapter 22: Native Modules …………………………………………………………………………………………………………………. 61

Section 22.1: Create your Native Module (IOS) ………………………………………………………………………………………….. 61

Chapter 23: Linking Native API …………………………………………………………………………………………………………….. 63

Section 23.1: Outgoing Links ……………………………………………………………………………………………………………………… 63

Section 23.2: Incomming Links ………………………………………………………………………………………………………………….. 63

Chapter 24: ESLint in React Native ……………………………………………………………………………………………………. 65

Section 24.1: How to start …………………………………………………………………………………………………………………………. 65

Chapter 25: Integration with Firebase for Authentication ………………………………………………………….. 66

Section 25.1: Authentication In React Native Using Firebase ………………………………………………………………………. 66

Section 25.2: React Native – ListView with Firebase …………………………………………………………………………………… 66

Chapter 26: Navigator Best Practices ……………………………………………………………………………………………….. 69

Section 26.1: Navigator …………………………………………………………………………………………………………………………….. 69

Section 26.2: Use react-navigation for navigation in react native apps ……………………………………………………… 71

Section 26.3: react-native Navigation with react-native-router-flflux …………………………………………………………… 72

Chapter 27: Navigator with buttons injected from pages ………………………………………………………….. 74

Section 27.1: Introduction ………………………………………………………………………………………………………………………….. 74

Section 27.2: Full commented example …………………………………………………………………………………………………….. 74

Chapter 28: Create a shareable APK for android ………………………………………………………………………….. 77

Section 28.1: Create a key to sign the APK ………………………………………………………………………………………………… 77

Section 28.2: Once the key is generated, use it to generate the installable build: ……………………………………….. 77

Section 28.3: Generate the build using gradle …………………………………………………………………………………………… 77

Section 28.4: Upload or share the generated APK …………………………………………………………………………………….. 77

Chapter 29: PushNotifification ……………………………………………………………………………………………………………….. 78

Section 29.1: Push Notifification Simple Setup ……………………………………………………………………………………………… 78

Section 29.2: Navigating to scene from Notifification ………………………………………………………………………………….. 80

Chapter 30: Render Best Practises …………………………………………………………………………………………………….. 82

Section 30.1: Functions in JSX …………………………………………………………………………………………………………………… 82

Chapter 31: Debugging …………………………………………………………………………………………………………………………… 83

Section 31.1: Start Remote JS Debugging in Android …………………………………………………………………………………. 83

Section 31.2: Using console.log() ……………………………………………………………………………………………………………….. 83

Chapter 32: Unit Testing ……………………………………………………………………………………………………………………….. 84

Section 32.1: Unit Test In React Native Using Jest ……………………………………………………………………………………… 84

Credits ………………………………………………………………………………………………………………………………………………………… 85

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