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Flutter Apprentice | raywenderlich.com


Construct for each iOS and Android with Flutter!

Flutter is a brand new and thrilling software program growth toolkit that permits you to goal a number of platforms directly, so you possibly can construct apps for iOS, Android and even internet and desktop, all from a single codebase.

Much like trendy internet applied sciences, Flutter makes use of a declarative strategy to UI growth. You may reap the benefits of “scorching reload” of recent code whereas growing, and your apps will carry out at native velocity because of Flutter’s customized rendering engine.

It’s been the dream of cell builders for years to discover a cross-platform device that permits you to construct for each iOS and Android with out having to jot down and preserve two separate codebases. With Flutter and Flutter Apprentice, you possibly can obtain that dream!

Earlier than You Start

This part tells you a couple of issues you have to know earlier than you get began, comparable to what you’ll want for {hardware} and software program, the place to seek out the venture recordsdata for this e-book, and extra.

Part I: Construct Your First Flutter App

The chapters on this part will introduce you to Flutter, get you up and operating with a Flutter growth surroundings and stroll you thru constructing your first Flutter app.

You’ll find out about the place Flutter got here from and why it exists, perceive the construction of Flutter initiatives, and see how you can create the consumer interface of a Flutter app.

You’ll additionally get your first introduction to the important thing part present in Flutter consumer interfaces: Widgets!

Welcome to Flutter! This chapter explains what Flutter is, why you need to use it and how you can get your growth surroundings arrange.


On this chapter, you’ll construct your first Flutter app from scratch and get the grasp of fundamentals.


Part II: Every thing’s a Widget

On this part you’ll begin to construct a full-featured recipe app named Fooderlich. You’ll acquire an understanding of and use a variety of widgets obtainable in Flutter, and be taught in regards to the concept of how widgets work behind the scenes.

You’ll then dive deeper into format widgets, scrollable widgets and interactive widgets.

Get began with the basic widgets to construct your app. Be taught to use construction and navigation, show, and positional widgets!


Dive into the idea behind widgets. Get a greater understanding of how widgets are rendered, how their lifecycle works and which instruments to make use of to debug them.


Scrollable content material is a should in any app. On this chapter, you will find out about utilizing checklist and grid widgets to show content material vertically and horizontally.


Discover ways to incorporate controls and enter widgets to set off updates by working with widgets like textual content fields, sliders, coloration pickers, enter chips and dismissable widgets.


Part III: Navigating Between Screens

You’ll proceed engaged on the Fooderlich app on this part, studying about navigating between screens and dealing with deep hyperlinks.

Matters you’ll be taught embody Navigator 2.0, go_router and Flutter Internet.

Learn the way Navigator 2.0 differs from Navigator 1.0 and how you can use it so as to add navigation declaratively.


Discover ways to construct a Flutter app that handles deep hyperlinks for each cell and internet apps.


Part IV: Networking, Persistence and State

Most apps work together with the community to retrieve information after which persist that information regionally in some type of cache, comparable to a database. On this part, you’ll construct a brand new app that permits you to search the Web for recipes, bookmark recipes, and save their elements right into a procuring checklist.

You’ll find out about making community requests, parsing the community JSON response, and saving information in a SQLite database. You’ll additionally get an introduction to utilizing Dart streams.

Lastly, this part may also dive deeper into the essential subject of app state, which determines the place and the way your consumer interface shops and refreshes information within the consumer interface as a consumer interacts along with your app.

This chapter will train you how you can save easy information to your system’s native storage on each Android and iOS gadgets. Use this to avoid wasting flags, IDs, numbers and extra.


This chapter will train you how you can serialize information from JSON strings to Dart mannequin courses. That is essential when utilizing REST APIs to obtain information from the web.


This chapter will train you how you can retrieve information from the web and retailer it in mannequin courses, which you will use to show recipes within the app you’ve got created to date.


This chapter will train you how you can use the Chopper package deal to retrieve information from the web. Not like the built-in networking strategies in Dart, this package deal makes it straightforward to do all the required duties wanted for REST API communication.


This chapter explains what state administration is and how you can implement it with the Supplier package deal. You’ll discover ways to pay attention and react to information adjustments in several elements of the widget tree.


This chapter will train you what streams are, how you can use them in your Flutter app and the way they assist talk information adjustments all through your app.


This chapter will train you how you can save complicated information to your system’s native retailer utilizing the SQLite database system constructed into Android and iOS.


Part V: Deployment

Constructing an app for you personal gadgets is nice; sharing your app with the world is even higher!

On this part you’ll go over the steps and course of wanted to launch your apps to the iOS App Retailer and Google Play Retailer. You’ll additionally see how you can use platform-specific property in your apps.

Whenever you make multiplatform apps, you have to add or construct issues particular to at least one platform or one other. This chapter covers widespread issues to incorporate and how you can implement them.


You are lastly prepared to organize your Flutter app for the Google Play Retailer. This chapter covers the discharge and deployment course of.


No multiplatform app is full with out an iOS model. This chapter covers the discharge and deployment course of for the Apple App Retailer.


Part VI: Working With Firebase Cloud Firestore

On this part you’ll discover ways to create and use a Firebase Cloud Firestore. You’ll discover ways to use it so as to add and retrieve information. Then you’ll find out about authentication and how you can safe your information.

On this chapter, you’ll discover ways to create and use a Firebase Cloud Firestore. You’ll be taught to leverage it so as to add and retrieve information. Then you’ll find out about authentication and how you can safe your information.


Appendices

On this part, you’ll discover the options to the challenges offered within the e-book chapters.

That is the answer to the primary problem of Chapter 5.


That is the answer to the second problem of Chapter 5.


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