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Catalin Stefan

This course will teach you everything you need to know about Android development and building mobile apps.

I have over 10 years of professional Android development experience, and I have gathered all of that knowledge into this simple to follow, extensive and well documented video course.

There are many Android development resources online to choose from, but this course is special, as it provides you not only with a complete theoretical discussion on Android related topics, but also loads of exercises and interesting projects to build and practice your knowledge on.

Read more

This course will teach you everything you need to know about Android development and building mobile apps.

I have over 10 years of professional Android development experience, and I have gathered all of that knowledge into this simple to follow, extensive and well documented video course.

There are many Android development resources online to choose from, but this course is special, as it provides you not only with a complete theoretical discussion on Android related topics, but also loads of exercises and interesting projects to build and practice your knowledge on.

We will start with an introduction to the Kotlin language fundamentals. We discuss all concepts that you need in order to get up and running with the language.

Following on from that, we start to pick apart all concepts related to building apps. We discuss each concept in detail, its multiple aspects, and we implement it in an example application. After each section, we have a project that we build together and that puts in practice what we just learned. In this way, at the end of the course, you will not only have all the knowledge and expertise to build an Android app, but also a complete portfolio of finished apps that you can show a potential employer or collaborator.

We also discuss advanced concepts related to planning and growing your app. We will look in detail at several architectural patterns and discuss their respective pros and cons, so that you can make an informed decision when starting your own project. We will see how we can build apps in a way that is scalable and easy to grow and maintain.

We discuss project management and delivery, how to set up development, staging and production environments. How to set up testing environment to reduce bugs and issues as much as possible.

Finally, we will talk about all the modern libraries and tools that are used professionally by Android developers. How can we make out development life easier and automate certain tasks? How can we easily create a backend environment and API that we can use in our app? We will talk extensively on all these topics.

All this and much more is all included in this one course.

By the end of this course you will:

  • Be able to work professionally as an Android developer

  • Build a portfolio of Apps to showcase your skills

  • Join any team, add value to any project

  • Know the tools and libraries that are most commonly used in modern app development

  • Have the knowledge and skills to build your own apps and publish them on the playstore

The goal is to take you from any level of development you are at now, and turn you into an expert, professional Android developer.

So sign up today and let's start learning how to build Android mobile apps.

Enroll now

What's inside

Learning objectives

  • Android app development
  • Kotlin fundamentals
  • Jetpack compose
  • Android libraries and tools
  • Build scalable, robust apps
  • Create, build and publish android apps
  • Architectures and best practices
  • Comprehensive portfolio of apps
  • Join any team, add value to any project
  • Mvvm, retrofit, coroutines, navigation, ui and much more

Syllabus

Introduction
Important message about Udemy reviews
Engage on social media
How this course is structured
Read more
How to take this course
How to ask questions
Kotlin
Section intro
Installation and hello world
Comments
Optional: Switch theme
Variables
Strings
Exercise: Variables and Strings
Solution: Variables and Strings
Primitive data types
Type conversions
Arithmetic operations
Exercise: Arithmetic operations
Solution: Arithmetic operations
Logical operations
Exercise: Logical operations
Solution: Logical operations
Nullability
Exceptions
List
Exercise: List
Solution: List
Set
Exercise: Set
Solution: Set
Map
Exercise: Map
Solution: Map
If conditional
Exercise: If conditional
Solution: If conditional
When block
Exercise: When conditional
Solution: When conditional
For loops
Exercise: For loops
Solution: For loops
While loops
Exercise: While loops
Solution: While loops
Break and continue
Functions
Exercise: Functions
Solution: Functions
More functions
Lambdas
Object Oriented Programming
Class concepts
Exercise: Classes
Solution: Classes
The 4 principles
Interfaces
Exercise: Interfaces
Solution: Interfaces
Standard functions
Other types of classes
Extensions
Packages
Generics
Exercise: Generics
Solution: Generics
Other concepts
Coroutines
Import
Concepts
Suspend functions
Builders
Jobs and results
Exercise: Start 1 million coroutines
Solution: Start 1 million coroutines
Exercise: Prime numbers
Solution: Prime numbers
Android Installation
Section overview
Installation
First app
Jetpack compose
Basic example app
Composable functions
Recomposition
State
State hoisting
Design components
Modifiers
Addressing a common crash
Column, Row, Box
Sizing
Exercise: Build this layout
Solution: Build this layout

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Covers modern libraries and tools used professionally by Android developers, which can help learners stay current with industry standards
Includes a complete portfolio of finished apps that learners can show a potential employer or collaborator, demonstrating practical skills
Explores architectural patterns and discusses their respective pros and cons, enabling learners to make informed decisions when starting their own projects
Discusses project management and delivery, including setting up development, staging, and production environments, which are essential for real-world projects
Teaches Kotlin fundamentals, which are necessary for modern Android development using Jetpack Compose
Requires learners to install Android Studio, which may require a computer with sufficient processing power and storage, potentially posing a barrier for some learners

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Save Kotlin and Android Jetpack Compose masterclass to your list so you can find it easily later:
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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Kotlin and Android Jetpack Compose masterclass with these activities:
Review Kotlin Fundamentals
Solidify your understanding of Kotlin fundamentals before diving into Android development with Jetpack Compose. A strong foundation in Kotlin will make learning Compose much easier.
Show steps
  • Review Kotlin syntax and data types.
  • Practice writing basic Kotlin functions and classes.
  • Work through online Kotlin tutorials or exercises.
Read 'Kotlin in Action'
Deepen your understanding of Kotlin with a comprehensive book. This will help you grasp the nuances of the language and write more efficient code.
Show steps
  • Read the first few chapters covering basic syntax and data structures.
  • Work through the examples provided in the book.
  • Try implementing some of the examples in your own projects.
Build a Simple UI with Jetpack Compose
Gain hands-on experience with Jetpack Compose by building a simple UI. This will help you understand the basics of composable functions, state management, and layout.
Show steps
  • Set up a new Android project with Jetpack Compose.
  • Create a simple layout with text and buttons.
  • Implement basic state management to update the UI.
  • Experiment with different composable functions and modifiers.
Four other activities
Expand to see all activities and additional details
Show all seven activities
Complete Jetpack Compose Tutorials
Reinforce your understanding of Jetpack Compose by completing online tutorials. This will expose you to different use cases and best practices.
Show steps
  • Find online tutorials for Jetpack Compose.
  • Follow the tutorials step-by-step.
  • Modify the code to experiment with different features.
Read 'Clean Architecture' by Robert Martin
Learn about software architecture principles to build scalable and maintainable Android apps. This will help you understand the underlying principles behind architectural patterns like MVVM.
View Clean Architecture on Amazon
Show steps
  • Read the book and take notes on the key concepts.
  • Reflect on how these concepts apply to Android development.
  • Try applying these principles in your own projects.
Write a Blog Post on MVVM Architecture
Solidify your understanding of MVVM architecture by writing a blog post explaining the concepts. This will force you to articulate your knowledge and identify any gaps.
Show steps
  • Research MVVM architecture in Android development.
  • Outline the key concepts and benefits of MVVM.
  • Write a clear and concise blog post explaining MVVM.
  • Include code examples to illustrate the concepts.
Contribute to a Jetpack Compose Library
Deepen your understanding of Jetpack Compose by contributing to an open-source library. This will expose you to real-world code and best practices.
Show steps
  • Find an open-source Jetpack Compose library on GitHub.
  • Identify a bug or feature to work on.
  • Fork the repository and make your changes.
  • Submit a pull request with your changes.

Career center

Learners who complete Kotlin and Android Jetpack Compose masterclass will develop knowledge and skills that may be useful to these careers:
Android Developer
An Android Developer specializes in creating applications for the Android platform. This course is a comprehensive resource for learning Android development, covering topics from Kotlin fundamentals to advanced architectural patterns. The course emphasizes practical experience through hands-on projects, providing a solid foundation for any aspiring Android Developer. The course also covers modern tools and libraries that are professionally used in Android app development, helping the transition from student to practitioner.
Mobile Application Developer
A Mobile Application Developer creates applications for mobile devices, encompassing design, development, testing, and deployment. This course is particularly relevant as it covers Android development, including the Kotlin language and Jetpack Compose, essential tools for crafting modern Android apps. The curriculum includes building projects, which translates to a practical portfolio and enhances a developer's ability to contribute to mobile app development teams. The course's focus on architectural patterns also supports the development of scalable and maintainable applications.
Software Engineer
A Software Engineer is involved in the overall design, development, and maintenance of software systems, frequently working in areas such as mobile development. The course helps build a foundation in Android development, covering key concepts like Kotlin programming, Jetpack Compose, and architectural principles to create robust Android applications. For a Software Engineer looking to specialize in mobile, a course that provides a comprehensive curriculum, including best practices and building a portfolio of apps, may be useful.
Mobile Technology Consultant
A Mobile Technology Consultant advises clients on mobile app strategies, technologies, and best practices. This course offers a comprehensive understanding of Android development, and it provides insights into the technologies used by mobile developers, which can be leveraged when consulting with clients about Android projects. The course's practical approach through projects helps strengthen an understanding of development, and this is beneficial for technology consulting. The course may be useful for advising on architectural patterns and best practices.
Mobile Software Architect
A Mobile Software Architect designs the high-level structure of mobile applications, making critical decisions about technology, architecture, and scalability. This course may be useful for building the understanding of the practical aspects of Android development, including architectural patterns and modern tools. As a foundation, the course builds skills with Kotlin and Jetpack Compose, essential for developing complex applications. The course's discussion on architectural patterns and project management helps build a strong base to contribute to sound software architecture.
Mobile Application Tester
A Mobile Application Tester specializes in testing mobile applications to ensure they meet quality standards. This course may be useful for gaining an understanding of mobile application development, allowing a tester to better grasp potential issues with the application. The course emphasis on building functional apps may be useful to a mobile tester, who can take an application through many tests. The course helps the mobile tester understand how apps are built.
Software Development Trainer
A Software Development Trainer teaches others how to develop software applications. This course's comprehensive approach to Android development, including practical exercises, makes it useful for a trainer to understand the process. The trainer may leverage the course materials to better present the development concepts. The trainer may also use the course materials as practical exercises for learning. The course can inform a curriculum for individuals who need to learn about Android development.
Technical Project Manager
A Technical Project Manager oversees technology projects, ensuring that they are completed on time and within budget. While this course focuses on Android development, it may be useful to understand the technical processes involved in mobile app creation. The course's emphasis on project management and delivery may also be useful for project managers to understand the full scope of software development projects. The course also provides a view into the technologies used for development.
Application Development Team Lead
An Application Development Team Lead oversees a team of developers, guiding projects from start to finish. This course offers a detailed look at Android development, from Kotlin to architectural patterns, which helps build an understanding of technical challenges that developers face. The course's focus on building a portfolio of apps and project management also may be useful for a team lead to grasp the entire development process and ensure successful project delivery. The course provides insights into the technologies used by a team.
Quality Assurance Engineer
A Quality Assurance Engineer tests software to identify bugs and defects. This course, which emphasizes creating and testing Android applications, may be useful as it provides a strong view of the development process of an application. The course discusses how to set up a testing environment to reduce bugs, which helps a Quality Assurance Engineer understand the development lifecycle. It also gives the Quality Assurance Engineer the view of the Android developer.
Mobile UI Designer
A Mobile UI Designer focuses on the aesthetics and usability of mobile app interfaces, and this role collaborates closely with developers. While this course is primarily development focused, it may be useful to understand the technical implementation of UI elements, such as what's taught with Jetpack Compose. Moreover, the many projects in this course help expose the UI designer to the development process. This course may be useful to understand the technical tools used to transform UI designs into a working app.
Technical Writer
A Technical Writer creates documentation for software applications. The course material and practical exercises may be useful for someone in this role. They can gain a greater understanding of the technologies involved in Android development. This might help the writer better explain the technical aspects of the app. The course may be useful to those who need to document the technologies used in Android development.
Full-Stack Developer
A Full Stack Developer handles both front-end and back-end aspects of applications, and it is valuable to have some experience with mobile development. This course helps build an understanding of mobile development on the Android platform, which may be useful for a full stack developer. The course covers mobile application architecture and best practices, and this is useful for designing and implementing a full stack application that includes mobile. The course helps with developing a practical understanding of mobile app development.
Startup Founder
A Startup Founder often needs to understand various aspects of the technology their business is based on. This course helps build a foundation in Android development, which may be useful if the startup is in the mobile app space. The course covers the entire app building cycle, and this can help a founder with decisions around product development. The course helps give a founder the perspective of the Android developer.
Backend Developer
A Backend Developer focuses on the server-side logic of applications, this often requires integration with mobile applications. While this course focuses on Android development, it does discuss how to create a backend environment and API for mobile apps, which may be useful. Additionally, having a foundational understanding of client development helps with crafting a better experience for the user. The course helps a backend developer understand the needs of the mobile application.

Reading list

We've selected two books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Kotlin and Android Jetpack Compose masterclass.
Provides a comprehensive guide to Kotlin, covering everything from basic syntax to advanced features. It's particularly useful for understanding Kotlin's features in the context of real-world applications. It serves as both a tutorial and a reference, making it valuable throughout the course. It is commonly used as a textbook at academic institutions.
Provides a deep dive into software architecture principles, which are essential for building scalable and maintainable Android apps. While not specific to Android or Kotlin, the concepts are universally applicable. Reading this book will help you understand the underlying principles behind architectural patterns like MVVM. This book is more valuable as additional reading than it is as a current reference.

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