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Hilt Dependency Injection in Android with Kotlin (Udemy.com)

Hilt with Kotlin in theory and practice in an Android application

Created by: Catalin Stefan

Last updated February 2026

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What you will learn

  • Hilt
  • Unit Testing
  • Dependency Injection
  • Modules
  • Components
  • Field Injection
  • Constructor injection
  • Method injection
  • Qualifiers
  • ViewModel injection

How it compares

Against the other 149 rated Udemy courses in Mobile Development on CourseDuck:

  • Rating4.5 out of 5higher than 62% of them
  • Reviews679#12 of 150 by number of reviews
  • Length2.3 hoursshorter than 87% of them
  • Last updatedFebruary 2026more recently than 73% of them

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Course Description

Dependency Injection is now an indispensable component of Android development. All well built, large projects use it to make development easier and more practical.

Hilt is the next generation dependency injection framework from Google. It's built on top of Dagger and simplifies DI greatly. Android development has been steadily relied upon Dependency Injection, and Hilt is now the fastest and simplest way to implement it in your projects.

This course will

  • take you from a complete beginner in the technology

  • explain in detail the theoretical aspects of Hilt injection

  • exhaustively go through all the components that make Hilt such a successful library

  • implement it in a practical application

After this course you will have the knowledge and experience to use Hilt in all your app development projects, and will allow your apps to grow and expand seamlessly.

We will learn about:

  • Modules

  • Constructor injection

  • Field injection

  • Method injection

  • Components

  • Qualifiers

  • Standard qualifiers

  • ViewModel injection

  • Unit testing

We will build everything in Kotlin.

We cover a lot of ground in this course, and we will implement the concepts practically so that you get not only theoretical knowledge but practical experience as well. Whether you start with zero experience in dependency injection or you already know a little bit about it through dagger, this course will show you how to use it with Hilt.

Sign up today, and let's learn how to use Hilt to build a modern Android Application.

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Instructor Details

Catalin Stefan

I am an avid learner and teaching enthusiast. I love creating videos and courses that enrich people's lives and help them have a better experience, both personally and professionally. 

I am an expert mobile application developer with over 10 years development experience. I enjoy making courses related to AI, software development and mobile apps, and want to share the knowledge I have acquired.

I create courses based on my professional experience. I hope to teach people skills that help them in their careers, allow them to acquire new skills and improve their personal relationships.

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Reviews

4.5

679 ratings on Udemy

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By Gaurav Kumar on 2/21/2026

This course it best for people who want to use Hilt in their app. This course doesn't covers in-depth of how hilt works in the background. Also this doesn't contains dagger2 and its inner working. Overall good course to get started with DI with hilt.

By Anastasiya Barska on 6/4/2025

Ok, I'm a big fan of Catalin from my previous experience, and this course helped me get started with Hilt. I like the right balance of theory and practice, and also the structured approach, and right enough of context he gives. As a suggestion - I would add some metadata as to when this was filmed and if there are any changes since then. Just from versions in build.gradle I could deduct that it's rather old and I wonder what could have changed and if it was considered in the videos.

By Vladimir on 5/29/2025

Dagger2 and Hilt were very difficult topics for me to master and understand, until I found the courses of this teacher. Very simply, as clearly as possible, with a lot of examples, the author explains complex topics so that they become simple. Thanks to the teacher for his hard work!

By Yasmine Raafat Noaman on 8/31/2023

Thank you very much. You made the concepts very easy to understand and very concise. Also, the agenda of each section was a great addition that made every part's scope clear.

By Prasanth on 6/17/2023

Thank you for creating a great course. Its very helpful to start coding with Hilt. One small suggestion, it would be great if you can show how to replace @Inject DatabaseAdapter in MainActivity with my FakeDatabaseAdapter.

By Strahinja Živković on 11/7/2022

Generally ok, easy to grasp, but very basic. Usually people take courses to understand the topic more deeply, and here a lot of details and practical implementations are omitted. Should be explicitly noted that the course is for beginners.

By Filip Tudic on 10/23/2022

it's awesome but needs to be updated: - @HiltViewModel is now available - make sure to explain more about "by viewModels" since in your course it's explained as part of viewmodels marked as hilt based and it's not. "by viewModels" can be used in non hilt projects and it's not a hilt functionality

By Marcelo Germano on 5/8/2022

The course was very useful for me to start and understand Hilt. In general I follow Catalin Stefan's courses because he clearly explains the concepts involved. Mr. Stefan, I would like you to develop a course on Android application testing. Thank you very much.

By Ygor Santos on 10/19/2021

The course follows the Android documentation with incremental examples. I wish it covered more realistic use cases, but you could easily use the project as a base for that. I was not too fond of the mini Catalin during the slides though.

By Devrath on 1/5/2021

A very good course for all the Android Native developers who want to learn Hilt. Thank you Catalin Stefan for this nice tutorial. Surely I will use it in my projects to build better android applications

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Overall Score : 90 / 100