Build Kotlin Multiplatform Mobile Apps for iOS and Android from Udemy

Welcome to the future of mobile development. This is a short and concise course that will quickly get you into the world of iOS and Android development with Kotlin Multi-platform technology. Kotlin Multi-platform technology has just became stable. Building native mobile applications for both iOS and Android, with a shared logic written in Kotlin, is just one step away from you.

If you are an experienced Kotlin or Android developer and want to explore cross platform development, this is the right course for you. This course is adapted for beginners, which is why you will be able to follow along easily .

You will learn how to write shared code for your mobile apps to maximize efficiency and code reuse. You will explore the fundamentals and principles of multi-platform development, and gain practical insights into creating a single code-base for your mobile projects .

Along the way I'm going to explain a Swift syntax, and you will see how both Swift and Kotlin are very similar to each other. This is a short and concise course adapted to get you introduced with the topic quickly and efficiently without wasting a minute of your time .

It's filled with lots of important information that you are going to need, to understand how this technology works behind the scenes. As with all other courses of mine, this one will also include one project that we are going to build while learning this amazing technology.

So what are you waiting for?

Let's go.

What's inside

Learning objectives

Kotlin multi-platform technology
Build android and ios app with shared kotlin logic
Native app performance
The use of kotlin multi-platform libraries
Build app with jetpack compose and swiftui

Actual/expect mechanism explained
Targets/source sets explained
Shared ktor networking library
Comparison between kotlin/swift
Skie by touchlab

Kotlin multi-platform technology
Build android and ios app with shared kotlin logic
Native app performance
The use of kotlin multi-platform libraries
Build app with jetpack compose and swiftui
Actual/expect mechanism explained
Targets/source sets explained
Shared ktor networking library
Comparison between kotlin/swift
Skie by touchlab

Syllabus

Introduction

Course Requirements

What is Kotlin Multiplatform?

Understanding the Multiplatform Project Structure

Target vs Source Sets

Expect/Actual Mechanism explained

Choosing an IDE

Preparing the Environment

Create and Explore a KMP for Mobile Project Template

Here you can download the repository: https://github.com/stevdza-san/KMMApp

Shared Module

Add Dependencies

Create DTO's

Create RequestState wrapper

Implement ProductsApi

Android App

Create a ProductCard

Fetch and Display the Data (Android)

iOS App

Create a ProductView

Fetch and Display the Data (iOS)

Good to know

Know what's good

, what to watch for

, and possible dealbreakers

Explores Kotlin Multiplatform, which allows for sharing code between iOS and Android, potentially increasing development efficiency

Uses Jetpack Compose and SwiftUI, which are modern UI frameworks for Android and iOS development, respectively

Explains the 'actual/expect' mechanism, which is a core concept in Kotlin Multiplatform for platform-specific implementations

Requires developers to understand the differences between targets and source sets, which is essential for configuring multiplatform projects

Compares Kotlin and Swift syntax, which may be helpful for developers transitioning between the two languages

Uses Ktor Networking library, which may require additional setup and configuration for developers unfamiliar with it

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 Build Kotlin Multiplatform Mobile Apps for iOS and Android with these activities:

Review Kotlin Fundamentals

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Solidify your understanding of Kotlin syntax and core concepts before diving into multiplatform development. This will make it easier to grasp the shared logic implementation.

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Review Kotlin documentation on variables, functions, and classes.
Complete online Kotlin tutorials or exercises.
Write small Kotlin programs to practice basic concepts.

Brush up on Swift Syntax

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Familiarize yourself with Swift syntax to better understand the iOS-specific code and appreciate the similarities between Kotlin and Swift. This will aid in cross-platform comprehension.

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Read Swift documentation on basic syntax and data types.
Compare Swift code snippets with equivalent Kotlin code.
Practice writing simple Swift functions and classes.

Read 'Head First Kotlin'

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Reinforce your understanding of Kotlin fundamentals with a visually engaging guide. This will make it easier to grasp the concepts used in multiplatform development.

View Excel Cookbook on Amazon

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Read the chapters covering Kotlin basics and object-oriented programming.
Complete the exercises and quizzes provided in the book.
Apply the concepts learned to your multiplatform project.

Four other activities

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Show all seven activities

Read 'Kotlin in Action'

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Deepen your understanding of Kotlin with a comprehensive guide. This will help you write more efficient and maintainable shared code.

View Kotlin in Action, Second Edition on Amazon

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Read the chapters relevant to Kotlin's core features.
Work through the examples provided in the book.
Apply the concepts learned to your multiplatform project.

Follow Kotlin Multiplatform Tutorials

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Reinforce your learning by following along with practical Kotlin Multiplatform tutorials. This will expose you to different approaches and best practices.

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Search for Kotlin Multiplatform tutorials online.
Choose tutorials that cover topics relevant to the course.
Follow the tutorials step-by-step, implementing the code yourself.

Expand the Course Project

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Solidify your understanding by adding new features to the course project. This will challenge you to apply what you've learned in a practical setting.

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Identify a new feature to add to the existing project.
Plan the implementation, considering both Android and iOS aspects.
Implement the feature, writing shared Kotlin code and platform-specific UI code.
Test the feature on both Android and iOS devices.

Contribute to a Kotlin Multiplatform Library

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Deepen your expertise by contributing to an open-source Kotlin Multiplatform library. This will expose you to real-world challenges and best practices.

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Find an open-source Kotlin Multiplatform library on GitHub.
Identify a bug to fix or a feature to implement.
Submit a pull request with your changes.
Respond to feedback from the library maintainers.

Career center

Learners who complete Build Kotlin Multiplatform Mobile Apps for iOS and Android will develop knowledge and skills that may be useful to these careers:

Cross-Platform Developer

A cross platform developer specializes in creating applications that run on multiple operating systems, such as iOS and Android. Individuals in this role benefit greatly from this course, which focuses on Kotlin Multiplatform technology, a tool designed for just that purpose. The course gives a comprehensive overview of building native mobile applications for both iOS and Android with a shared Kotlin logic. The practical focus on creating a single codebase and the understanding of multi platform principles makes this course essential for a cross platform developer. The course further dives into practical aspects such as the use of Kotlin Multiplatform Libraries, the actual/expect mechanism, and shared Ktor networking library.

See salaries and explore the career path for Cross-Platform Developer

Mobile Application Developer

A mobile application developer creates applications for mobile devices, such as smartphones and tablets. This course helps aspiring mobile application developers by introducing Kotlin Multiplatform technology, which allows for building both iOS and Android apps from a single codebase. This approach increases efficiency and code reuse, which is a key aspect of the mobile application development process. The course specifically addresses how to share code for mobile apps, use Kotlin Multiplatform Libraries, and build apps with Jetpack Compose and SwiftUI, all of which are highly relevant to the work of a mobile application developer. The actual/expect mechanism, targets/source sets, and the shared Ktor networking library explored in the course provide a valuable deeper understanding of mobile application development.

See salaries and explore the career path for Mobile Application Developer

Android Developer

An Android developer focuses on building applications for Android devices. This course introduces Kotlin Multiplatform development, a very useful skill for those who want to extend their expertise and explore cross platform solutions beyond Android development. The Android developer will appreciate the course’s emphasis on building native Android apps with shared Kotlin logic, using Jetpack Compose, and utilizing tools like the shared Ktor networking library. This course is a valuable addition to the skill set of an Android developer, who can use their knowledge of the Android ecosystem while learning how to create cross platform applications.

See salaries and explore the career path for Android Developer

iOS Developer

An iOS developer specializes in creating applications for Apple's iOS devices. This course is helpful for iOS developers who want to explore cross platform development using Kotlin Multiplatform, allowing them to expand their skill set beyond the traditional iOS focus. The course emphasizes building native iOS apps with shared Kotlin logic and using SwiftUI, which are directly applicable to iOS development. The course also discusses the similarities between Kotlin and Swift, which are the primary languages in the course, providing a useful perspective for any iOS developer. This course may be useful for any iOS developer looking to broaden their skill set.

See salaries and explore the career path for iOS Developer

Software Engineer

A software engineer is responsible for designing, developing, and maintaining software systems. This course provides valuable insights into mobile development with Kotlin Multiplatform, which contributes to a software engineer's ability to understand and implement cross platform solutions. The course emphasizes code sharing and reuse, which are key considerations in software engineering. A software engineer can apply the knowledge of Kotlin Multiplatform Libraries and the actual/expect mechanism learned in this course to improve the efficiency and scalability of mobile applications. This course may be useful because of the practical experience provided in building mobile applications with shared logic.

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Mobile Solutions Architect

A mobile solutions architect designs the overall architecture of mobile applications. This role often involves making key decisions on technology and platforms, which makes this course highly relevant. The architect role requires a strong understanding of multi platform development, including the ability to create a single codebase for both iOS and Android devices. The course's focus on Kotlin Multiplatform technology, shared logic, the actual/expect mechanism, and targets/source sets directly applies to the planning and design stage of mobile solutions. The course may be useful for a mobile solutions architect who needs to understand the nuances of cross platform development.

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Application Architect

An application architect is responsible for designing the architecture of applications, including mobile applications. This course can be useful for an application architect because it provides a deep dive into Kotlin Multiplatform technology, which is a key consideration in cross platform development. The course covers important elements like the actual/expect mechanism and the shared Ktor networking library, which are topics relevant to architecture design. The course may be helpful for an application architect who must understand the technical details of cross platform mobile application development.

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Mobile Team Lead

A mobile team lead manages a team of mobile developers, often making technical decisions and guiding projects. This course can help a team lead understand the nuances of cross platform development using Kotlin Multiplatform, enabling them to make better informed decisions. The course’s overview of building native mobile applications for both iOS and Android provides valuable insights into the development process. The course also covers important topics such as the use of Kotlin Multiplatform Libraries and shared Ktor networking library, all of which may be useful for a team lead who needs to manage both iOS and Android developers.

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Software Development Manager

A software development manager oversees the entire software development process. This course can provide helpful insights into Kotlin Multiplatform technology and how it can streamline the development of iOS and Android applications. The course covers topics like the actual/expect mechanism and targets/source sets, which may help in understanding the complexities of cross platform mobile development. The practical experience gained in building mobile applications with shared logic may be useful for any software development manager overseeing projects with both Android and iOS components.

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Full-Stack Developer

A full stack developer works on both the front end and back end of applications. This course can be helpful because it introduces Kotlin Multiplatform, which is useful for building mobile applications and integrating them with other systems. The course emphasizes code re-use and provides a practical introduction to building apps with shared logic, which is a useful skill for full stack development. The course may be useful for any full stack developer looking to expand their skillset into mobile development and use Kotlin Multiplatform Libraries in their projects.

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Mobile Product Manager

A mobile product manager is responsible for the strategy, roadmap, and execution of mobile products. A product manager needs a good understanding of the technology used to develop mobile applications, making this course useful. This course provides an introduction to Kotlin Multiplatform technology, which is a useful tool in developing for both iOS and Android efficiently. The course may be useful by providing a view into the technical aspects of coding for mobile platforms, specifically with the techniques taught in the course. Mobile product managers who have technical literacy can make better decisions, ensuring the feasibility and success of their products.

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Technology Consultant

A technology consultant advises organizations on technology strategies and implementation. This course can be helpful for a technologist who may need to advise on mobile development strategies, especially when it comes to leveraging cross platform tools. The course introduces Kotlin Multiplatform, which is relevant to those interested in improving the efficiency of mobile development by creating single code-bases. This course may be useful for a consultant looking to understand the technical details of cross platform mobile development with Kotlin Multiplatform libraries and how they are practically applied in app development.

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Technical Project Manager

A technical project manager oversees and manages technical projects. This course can be helpful as it provides a good understanding of Kotlin Multiplatform technology, which is useful when managing projects that require mobile capabilities. The course introduces practical concepts in building applications with shared logic that can be beneficial to a project manager. The knowledge of the actual/expect mechanism, targets/source sets, and shared Ktor networking may help in scheduling, resource planning, and coordination of technical teams working on mobile applications, making this course potentially helpful.

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Technical Writer

A technical writer creates documentation and guides for technical products, including software. This course may be useful because it introduces them to the ins and outs of Kotlin Multiplatform technology used in cross platform mobile development. The technical writer can gain a working understanding of the shared logic, libraries, and mechanisms involved in cross platform development. This course may be useful for a technical writer who needs to document mobile applications built using Kotlin Multiplatform, or for those who wish to understand new technical trends in mobile application development.

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Quality Assurance Engineer

A quality assurance engineer is responsible for testing software applications to ensure quality and functionality. This course can provide a useful overview of Kotlin Multiplatform technology, which will help during the testing procedures of cross platform applications. This course introduces coding methodologies, including the sharing of code for mobile apps. This may be useful for any quality assurance engineer who needs to understand both the iOS and Android implementations for mobile apps.

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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 Build Kotlin Multiplatform Mobile Apps for iOS and Android.

Kotlin in Action, Second Edition

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Provides a comprehensive guide to Kotlin, covering everything from basic syntax to advanced features. It's particularly useful for understanding the nuances of Kotlin that are leveraged in multiplatform development. 'Kotlin in Action' is often used as a textbook and reference by Kotlin developers. It adds depth to the course by providing a more thorough exploration of the Kotlin language.

Kotlin in Action, Second Edition

Paperback

$$$

Excel Cookbook

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Offers a visually engaging and approachable introduction to Kotlin. It's particularly helpful for those who prefer a more interactive and less formal learning style. While not specifically focused on multiplatform development, it provides a solid foundation in Kotlin fundamentals. It is more valuable as additional reading for solidifying basic concepts.

Build Kotlin Multiplatform Mobile Apps for iOS and Android

What's inside

Learning objectives

Syllabus

Good to know

Save this course

Activities

Career center

Reading list

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