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Android App Developer Roadmap

You will learn how to develop applications for the Android platform.

Some knowledge of object-oriented programming will be helpful, but not required.

What you’ll learn

  • Java programming language

  • Kotlin programming language

  • Using Android Studio

  • How to develop Android applications using Java or Kotlin

  • Android Material Design

Overview

Android is one of the most widely used mobile platforms today with over 2 billion monthly active users and millions of apps on the Play Store. Android accounts for over 85% of the total mobile traffic on websites.

As an Android developer, you will have a chance to cater to this huge audience by creating mobile apps/games. You can work as an indie developer and publish your own apps or work for one of the existing publishers. There is no shortage of opportunities!

Java Programming Language

Head first series of books are popular because of their unique approach to explaining. If you want to dive deep, Derek Banas’s tutorial is a massive one that covers many aspects of the language.

Head First Java (amazon.com)
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Submitted by Robert 4 years ago 13.3k+ views
Paid Book
Java Video Tutorial by Derek Banas (youtube.com)
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Submitted by Micha? 3 years ago 14.6k+ views
Free Video

Resource

Coding Exercises

Kotlin Programming Language

Kotlin docs are neatly organized and a useful resource for beginners. If you prefer learning by doing, you can follow the second tutorial in this list.

Kotlin Tutorial (official docs) (kotlinlang.org)
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Submitted by Saurabh 1 year ago 3.5k+ views
Free Beginner
Learn Kotlin while developing an Android App (medium.com)
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Submitted by Pawan 1 year ago 9.4k+ views
Free Beginner

Resource

Kotlin vs. Java

Android Development

Stanford has made its Android Development course available to the general public, so we recommend you capitalize on that. If you don’t want to take a full-fledged course, you can go for the official Android Developer guides.

Android App Development by Stanford (web.stanford.edu)
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Submitted by Shobhit 4 years ago 3.2k+ views
Free Video
Training for Android developers (developer.android.com)
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Submitted by Vipul 4 years ago 5.9k+ views
Free

Resource

Open Source Apps

Android Studio

This video series covers how-tos of Android Studio. You can go through all the videos or skip to the part you are looking for.

Android development with Android Studio (youtube.com)
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Submitted by Anil 1 year ago 276 views
Free Video

Material Design

This tutorial will teach you how to beautify your app by following Google’s material design guidelines and adding animation effects, widgets, toolbars, etc.

Android Material Design Tutorial (youtube.com)
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Submitted by Tiago 3 years ago 9.3k+ views
Free Video

All In One

This course covers almost every aspect of Android development using the latest version: 8.0 Oreo, from the language (Java) to publishing your app on the play store.

The Complete Android Oreo Developer Course - Build 23 Apps (udemy.com)
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Submitted by Vaibhav 10 months ago 1.1k+ views
Paid Exercises/Practice-programs Video Beginner Android O

How to follow this roadmap?

  1. If you want to take one course that teaches you everything you need to publish your first app, skip to the ‘All In One’ section.

  2. Start with learning Java. Most projects and tutorials you will find on the web will be using Java.

  3. You can choose to learn Kotlin or skip this section. Kotlin is interoperable with Java, so it won’t hurt to experiment with it. Check out ‘Java vs Kotlin’ to see the advantages of Kotlin. Note: Kotlin became the official language for Android in 2017.

  4. Now that you know the language, you can start with Android development. Both tutorials in ‘Android Development’ section require familiarity with Java. Post completion, you can check out some open source apps and try to implement on your own.

  5. If you are using Android Studio as your development environment, you can refer the ‘Android Studio’ section in case you get stuck or want to explore.

  6. ‘Material Design’ section is optional. You can come back to this section once you are comfortable writing apps or skip it entirely.

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