Flutter Apprentice | raywenderlich.com


Construct for each iOS and Android with Flutter!

Flutter is a brand new and thrilling software program improvement toolkit that permits you to goal a number of platforms without delay, so you may construct apps for iOS, Android and even net and desktop, all from a single codebase.

Just like fashionable net applied sciences, Flutter makes use of a declarative method to UI improvement. You may reap the benefits of “scorching reload” of recent code whereas creating, and your apps will carry out at native velocity due to Flutter’s customized rendering engine.

It’s been the dream of cell builders for years to discover a cross-platform instrument that permits you to construct for each iOS and Android with out having to put in writing and keep two separate codebases. With Flutter and Flutter Apprentice, you may obtain that dream!

Earlier than You Start

This part tells you a number of issues it is advisable know earlier than you get began, reminiscent of what you’ll want for {hardware} and software program, the place to search out the challenge 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 improvement atmosphere 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 tasks, and see the best way to create the person interface of a Flutter app.

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

Welcome to Flutter! This chapter explains what Flutter is, why it is best to use it and the best way to get your improvement atmosphere arrange.


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


Part II: Every part’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 out there in Flutter, and study in regards to the concept of how widgets work behind the scenes.

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

Get began with the elemental widgets to construct your app. Study to use construction and navigation, show, and positional widgets!


Dive into the speculation 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.


Learn 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.

Subjects you’ll study embody Navigator 2.0, go_router and Flutter Internet.

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


Learn to construct a Flutter app that handles deep hyperlinks for each cell and net apps.


Part IV: Networking, Persistence and State

Most apps work together with the community to retrieve knowledge after which persist that knowledge regionally in some type of cache, reminiscent of 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 purchasing checklist.

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

Lastly, this part can even dive deeper into the essential matter of app state, which determines the place and the way your person interface shops and refreshes knowledge within the person interface as a person interacts along with your app.

This chapter will train you the best way to save easy knowledge to your gadget’s native storage on each Android and iOS gadgets. Use this to save lots of flags, IDs, numbers and extra.


This chapter will train you the best way to serialize knowledge from JSON strings to Dart mannequin courses. That is mandatory when utilizing REST APIs to obtain knowledge from the web.


This chapter will train you the best way to retrieve knowledge from the web and retailer it in mannequin courses, which you will use to show recipes within the app you have created to this point.


This chapter will train you the best way to use the Chopper package deal to retrieve knowledge from the web. Not like the built-in networking strategies in Dart, this package deal makes it simple to do all the mandatory duties wanted for REST API communication.


This chapter explains what state administration is and the best way to implement it with the Supplier package deal. You’ll learn to hear and react to knowledge modifications in numerous elements of the widget tree.


This chapter will train you what streams are, the best way to use them in your Flutter app and the way they assist talk knowledge modifications all through your app.


This chapter will train you the best way to save complicated knowledge to your gadget’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 the best way to use platform-specific belongings in your apps.

While you make multiplatform apps, it is advisable add or construct issues particular to 1 platform or one other. This chapter covers widespread issues to incorporate and the best way to implement them.


You are lastly prepared to arrange 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 learn to create and use a Firebase Cloud Firestore. You’ll learn to use it so as to add and retrieve knowledge. Then you’ll find out about authentication and the best way to safe your knowledge.

On this chapter, you’ll learn to create and use a Firebase Cloud Firestore. You’ll study to leverage it so as to add and retrieve knowledge. Then you’ll find out about authentication and the best way to safe your knowledge.


Appendices

On this part, you’ll discover the options to the challenges introduced 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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