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[Code Factory] [Intermediate] Flutter Real Practice! State Management, Cache Management, Code Generation, GoRouter, Authentication Logic, etc. Essential Skills to Become an Intermediate!

This course will help junior Flutter developers learn the essential knowledge needed to become intermediate Flutter developers in a short period of time.

(4.9) 175 reviews

3,018 learners

Level Intermediate

Course period Unlimited

  • codefactory
Flutter
Flutter
Hybrid App
Hybrid App
Flutter
Flutter
Hybrid App
Hybrid App

Reviews from Early Learners

What you will gain after the course

  • Flutter

  • Riverpod status management

  • Pagination

  • JWT token management and authentication

  • Optimistic Response

  • JsonSerializable

  • GoRouter

  • Retrofit

  • Dio token management automation

  • OOP in practice

  • Debounce and Throttle

Want to upgrade to an intermediate Flutter developer?
Code Factory's practical lectures you can trust 🖥

A lecture taught directly by the author of Kyobo Bookstore's first half of 2023 best-selling book.

The only app development book ranked in the top 30 in the computer/IT category.

Achieve Super Rookie status in 2022 with just Flutter!

Even large corporations seek out these courses! We guarantee the best lectures, backed by reviews!

🙋‍♂️ Things to note before taking the class


  • This course isn't designed simply to create a "delivery app"! It's not a simple clone coding course, so it might not be suitable for those simply looking to learn how to build a delivery app. The delivery app concept is merely a vehicle for the programming knowledge I'm trying to convey. It contains essential knowledge that can be applied to any app, so please refer to it!
  • This course is significantly more challenging than Code Factory's beginner Flutter course! It contains essential knowledge for practical use, so please take it with the mindset of thoroughly mastering it through repeated repetition. I'm confident that once you fully absorb the material, you'll become a developer ready to start working in the field immediately!
  • This project provides a NestJS-based REST API server, developed by me, to help you gain hands-on experience with real-world server integration. You'll learn essential knowledge for junior developers by implementing API integrations in a real-world setting, using the Swagger server documentation.

What you'll learn 📚


1) Authentication (authentication logic)

Among the most commonly used Token Authentication systems today, we'll study systems that use Refresh Tokens and Access Tokens for authentication. We'll also learn how to automatically refresh tokens using Dio.


2) Pagination

After learning the theories of Page-based Pagination and Cursor-based Pagination, we will delve deeper into how to efficiently solve Cursor Pagination using OOP.


3) JsonSerializable

JsonSerializable eliminates the need to write code to serialize JSON into objects when creating models. Learn the basics of JsonSerializable and how to apply inheritance in conjunction with pagination.


4) Retrofit

Retrofit is one of Flutter's most useful code generation tools. It automates REST API mapping and works seamlessly with JsonSerializable. All API mapping is done using Retrofit.


5) Riverpod and Cache Management

You'll learn how to use all the providers available in Riverpod and apply them in real-world situations. Additionally, you'll learn how to manage multiple providers simultaneously and optimize cache management.

6) GoRouter

GoRouter, a routing library used in apps and web applications, provides useful features like Dynamic Links, Deep Links, Redirects, and Refresh rules. Let's use this to fully configure an authentication system.


7) Debounce and Throttle

Debounce and Throttle are crucial technologies for managing server overload and optimizing applications. In this lecture, we'll learn about the appropriate use cases and usage methods for Debounce and Throttle.


8) Swagger

Learn how to understand API specifications and translate them into front-end code using Swagger, the most widely used documentation tool for server developers to communicate with front-end developers.


9) Optimistic Response

Optimistic Response is a technique that predicts positive responses and proactively updates the cache. This lecture will teach you how to apply it in specific situations.


Introducing,
Project Screen! 🤸‍♀️

#1 Splash Screen

Set up the authentication/verification logic and routing logic required when running the app for the first time.

#2 Login page

This is the login screen.

#3 Restaurant List Page

This is the home screen that paginates restaurant information.
Learn about Pagination and Throttle and apply them in practice.

#4 Restaurant Details Page

You can select the food you want to order from the restaurant's details page, and if you scroll down, you can also see restaurant reviews.
You can check it out. Let's apply multiple Sliver Lists in practice using Custom Scroll View.

#5 Shopping Cart Page

This is the shopping cart screen where you can check the food you have selected.
Learn and apply the Optimistic Response and Debounce features.

#6 Food List Tab

This is a page where you can view a list of foods.
Learn about pagination generalization and advanced cache management features.

#7 Order List Wrap

Let's generalize Pagination into a tab where you can view orders.

#8 Profile tab

This is the profile tab with a logout function.


A word from the lecture 🎙

Since Flutter's release, I've personally worked on numerous projects, both large and small. Recently, during numerous interviews for recruitment and consulting purposes, I've noticed that many front-end developers focus too much on simply creating UIs. While creating a visually appealing UI is certainly one of the most crucial skills for a front-end developer, possessing a solid understanding of computer science, project management, and writing clean code is equally important.

This course will help Flutter developers with limited practical experience learn the considerations they need to consider when writing code to ensure smooth collaboration and maintainability . Unlike the Flutter beginner course, this course focuses on the essential knowledge and best practices for intermediate Flutter developers, centered around a single project. We deliberately introduce pitfalls throughout the project, allowing students to overcome them and experience firsthand how to write better code. The course focuses on developing junior-level Flutter developers to a practical level. We'll apply essential knowledge such as authentication systems, refreshes, access token management, global state management, pagination, debounce, and throttling to real-world projects.


I recommend this to these people 🖐

I've just gotten rid of the Flutter beginner tag.
Anyone who wants to level up their knowledge

I know a little bit about Flutter programming.
Those who feel overwhelmed when trying to start a project


We've collected course reviews 📜


Best communication 🧑🏼‍🏫

I connect with students through Q&A sessions on YouTube Live every week!

If you would like to receive YouTube live push notifications, please subscribe to the Code Factory YouTube channel below!

> Go to Code Factory YouTube channel


Code Factory Writing Books

Must Have Code Factory's Flutter Programming book is one I personally wrote after investing a lot of time in it!
There are some contents that overlap with the beginner's course, and there are also lectures on Firebase and advertising that are not in the beginner's course!
Recommended for those who like eBooks or physical books!
The book is available at major bookstores such as Kyobo Bookstore, Yes24, and Aladdin!
Please click on the image below to move!


Q&A 💬

Q. Do I have to take the Code Factory Flutter beginner course?

If you already have the knowledge equivalent to Code Factory's Flutter beginner course, you don't need to take any additional courses. However, this course assumes you've already taken the course, so it won't repeat concepts already covered. If you don't have at least the basic knowledge equivalent to Code Factory's Flutter beginner course, this course will be difficult to follow, so please take the beginner course first!

Q. Is this a course on creating a delivery app?

The project we're working on is a delivery app. However, this course has absolutely nothing to do with the UI/UX or functional flow of a delivery app. It merely uses the "concept" as a medium for conveying knowledge, and it focuses on acquiring the general knowledge that junior Flutter developers need to become intermediate Flutter developers. Don't take this course if you're simply looking for "how to build a delivery app"!

Q. What level of developer will I become after taking this course?

In short, I believe this is a practical, immediately applicable level. Based on my extensive experience with various projects and interviews over the years, I've included essential knowledge that I believe Flutter developers should possess.


Want more Code Factory lectures?

[Introduction] Dart Language
Complete conquest in 4 hours

  • Dart programming language
  • object-oriented programming
  • functional programming
  • Asynchronous programming

[Beginner] Flutter 3.0 App Development
- Escape the beginner level with 10 projects!

  • Master the Dart language
  • Creating Beautiful UIs with Flutter
  • SQLite Database Utilization Guide
  • Creating a video player app

[Intermediate] Flutter in Practice!
Essential Skills to Become a Master

  • GoRouter
  • JsonSerializable
  • Dio token management automation
  • Debounce and Throttle

Other ✔️

(1) Other channels where you can get help and learn!

🏭 Code Factory YouTube
🔥 Code Factory Discord
💬 Code Factory Kakao Open Talk

(2) Images shared for lecture purposes

The images I provide in this lecture are ones I purchased myself. I purchased the rights to create and distribute my works, but you must never distribute the images to others or on the internet! Copyright infringement can lead to legal issues, so please do not use these images for any purpose other than your study.

(3) How to ask questions

One of the most effective ways to improve your programming skills quickly is to learn how to ask the right questions. Because of the nature of programming, it's difficult to review entire code snippets. So, if you upload the entire code for a problematic widget and then say, "This doesn't work!", I won't be able to provide an answer.
When asking a question, please organize it into the three steps below so that we can communicate and respond much faster!

1️⃣ How do I think it should work?
2️⃣ How it works now
3️⃣ Where exactly is the code and what problems are occurring (if there are even examples👏)

Recommended for
these people

Who is this course right for?

  • Those who are confident that they can repeatedly take and absorb difficult concepts

  • Anyone who wants to upgrade their flutter development skills

  • Anyone who has completely absorbed the Code Factory Flutter beginner course

  • For those who want to experience practical projects

  • Junior developer without senior engineer in the company

Need to know before starting?

  • Flutter Junior Developer Level Knowledge

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Curriculum

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147 lectures ∙ (21hr 6min)

Course Materials:

Lecture resources
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Reviews

All

175 reviews

4.9

175 reviews

  • jamescode73422님의 프로필 이미지
    jamescode73422

    Reviews 2

    Average Rating 5.0

    5

    29% enrolled

    This is a lecture that is almost perfect. Although the title of the lecture is [Intermediate], it is not an exaggeration to say [Intermediate-Advanced] because the lecture content is solid. Since most of the content can be applied directly to actual work, it is a lecture that is perfect for current Flutter developers as well as those preparing for employment. Honestly, it is really cheap to learn this quality lecture at this price. Not only me, who has been developing for more than 15 years, but also anyone who has worked in the field for 1-2 years will probably know what I mean. If someone who explains this in detail were to work at a company, I would sincerely and childishly advise them, “Even if you give all your salary to that person, come learn for just one year.” There is no faster growth than learning from a good mentor. In order to really grow as a developer, you definitely need the attitude and passion of a learner, but it would be even better if a veteran who has already walked that path could guide you to the best course. Flutter has been a hot topic for several years, but there is still a shortage of intermediate to advanced personnel. I think that if you listen to this lecture repeatedly and master everything yourself, you will be able to work happily under really good conditions. Your skills will improve to the point where you can quickly create not only company projects but also the apps you want to create. I bought almost every book sold in bookstores to study Flutter, and I also came across a lot of online clone coding. I also took lectures on other platforms that really explained Flutter step by step. But this is the most useful. It is the most practical and cost-effective. I sincerely advise you to learn this first and fill in the gaps. I would like to express my sincere gratitude to the instructor, and I look forward to the [advanced] lecture coming out in the future.

    • codefactory
      Instructor

      Thank you ㅠㅠ I think I work harder to create lectures because of the students who always support me. I will definitely make an even better lecture next time!!

  • sbw91303643님의 프로필 이미지
    sbw91303643

    Reviews 4

    Average Rating 3.0

    5

    69% enrolled

    I started learning Flutter by taking a Flutter course on another site. I won’t mention the site or the instructor, but when I think about it now, I can only say that the instructor’s level was too low. I had a lot of complaints while taking that course. It felt like I was just practicing typing, and the answers to my questions were not very satisfying. Even though I took all the courses, all I gained was my typing skills. Nothing more or less. After that, I Googled on my own and applied for a 1:1 tutoring class on Soom* to try a personal project. If I look at the code now, it’s really… incredibly crude and messy to the point where I wonder why it was written like that. In the end, I just spent money and didn’t learn properly. Since my personal project wasn’t progressing well, I started looking for other courses, and that’s when I found Code Factory’s course. At that time, I was debating between Code Factory's lecture and another lecture (since there were two lectures by Copac, I was a little worried... hahaha). I can't help but think that it was really lucky that I ended up taking Copac's lecture. Whether it was the 4-hour Dart lecture or the beginner's lecture, I had a hard time because of the build speed or setting errors while using Windows.. Other than that, I never felt so frustrated because of the lecture. Now I'm using a MacBook, so it's really refreshing hahaha I took the beginner's lecture once, and honestly, there were many parts that I didn't understand, so I asked questions several times and googled a lot to figure out how to proceed. In the meantime, I also changed my personal project and am working on it again. I realized that my skills had really improved after taking the beginner's lecture right after I took the intermediate lecture. When I first started taking the beginner's course, I was busy following along, comparing, and understanding the code, but when I saw that I could follow along just by listening to the instructor without looking at the screen in the beginning of the intermediate course, in the basic parts of creating the UI or screen, I realized that the beginner's course was really effective! (Come to think of it, I had no idea about Future/Stream Builder, but now I'm using it in my personal project without any problems.) There's still a lot of content left, and I haven't even started the difficult parts, but I'm confident that if I trust the instructor and follow the intermediate course, I'll level up before I know it. It's the beginning of the intermediate course, but I'll follow along well without falling behind and become a developer like Copac's disciple who can create clean codes on my own!

    • codefactory
      Instructor

      Thank you ㅠㅠ This is a really helpful review for me!! I will work hard to make better lectures!

  • harashow884974님의 프로필 이미지
    harashow884974

    Reviews 4

    Average Rating 4.5

    5

    58% enrolled

    The lecture I've been waiting for has finally come out. I've been running the lecture since it came out, and the content is so rich that it's worth the wait. I'm an Android developer working in the field, and since the end of this year, I've had to do several small projects in a row with Flutter, so I've been taking Dart and Flutter beginner lectures and working on personal projects. There were some parts that I lacked on my own, so I took other Flutter intermediate lectures, but there were so many parts that were disappointing in the lecture composition and level. Fortunately, the intermediate lecture was uploaded right before I started the projects, so I'm listening to it quickly. The content composition is really good and the lecture preparation is perfect. I asked on the bulletin board when the intermediate lecture would be uploaded, and you said it would take time to prepare more thoroughly, but I can understand that you've prepared really well. I'm writing this without any order because I'm grateful, but if anyone is thinking about taking the course, just take it right away!!

    • codefactory
      Instructor

      Thank you! I will try my best to make better lectures!!

  • apswtrare1695님의 프로필 이미지
    apswtrare1695

    Reviews 4

    Average Rating 5.0

    5

    5% enrolled

    I started listening from the beginner level and am listening to the intermediate level. When I suddenly started using Flutter, I was at a loss, but since you covered everything from the basics, I am so grateful and I don't know how to express my gratitude.!! I will also wait for the advanced lectures ><!

  • wonchulcha님의 프로필 이미지
    wonchulcha

    Reviews 9

    Average Rating 5.0

    5

    99% enrolled

    At first, I took the free Dart lecture and became a fan of Code Factory after taking the Flutter beginner's lecture with gratitude. The correct use of widgets, the correct use of callback functions, and the neat code organization that you always do at the end were the biggest lessons for me. I briefly coded in a dBase compiler language called Clipper in my mid-20s, and after 30 years of not developing, I started Flutter again for app development as I was approaching 60. And, I have recently read many free and paid lectures and books to learn the basics of programming. Among those many lectures, I think Code Factory's lecture is the best of the best. I was greatly helped by the beginner's lecture and I have been waiting for the intermediate lecture for a long time, and when the intermediate lecture finally came out I paid right away that day and am studying hard. I am currently about 60% of the way through and I think it is a lecture that is better than I expected. The advantage of Code Factory's lecture is that it clearly explains what you will learn, how to use it, why to use it, when to use it, and where to use it. Most of the other lectures I have seen tend to neglect or skip over certain parts, so I often miss the connection and feel regretful, but Code Factory's lecture is not like that. It seems that you have prepared the lectures a lot. In addition, you seem to have a great talent for teaching. Oh, and~~ As an additional advantage, your voice is also really good. I highly recommend that those who are starting Flutter, or those who are no longer beginners, and even those who think they are intermediate, take Code Factory's beginner/intermediate lectures. Once you take them, you won't regret it. I think you will become a true fan like me, not regretting it but being satisfied. Thanks to Code Factory's lectures, I have gained confidence in programming, so after completing the intermediate Flutter lecture, I plan to study the backend and create a Flutter app using Firebase as my own server. ^^;; I'll end my course review by saying thank you for making such a great lecture once again.

    • codefactory
      Instructor

      Thank you so much for the touching review ㅠ

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