Kamran Ahmed
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The intent of this guide is to give you an idea about the Android development landscape and to help guide your learning if you are confused. Before we start, please note that the roadmap is opinionated, and you might have different opinions than those of the author. Having said that, [we would love to hear your opinions](https://github.com/kamranahmedse/roadmap.sh/issues/new) and incorporate them in the roadmap if suitable. |
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There are multiple ways to develop applications for the android; you can go down the path of hybrid application development where [flutter](https://flutter.dev/), [react-native](https://reactnative.dev/), or [NativeScript](https://www.nativescript.org/) are the most common contenders. Flutter uses Dart, whereas React Native and Native Script rely on JavaScript. Answering the question of hybrid vs native is out of the scope of this roadmap. This roadmap is focused on the native Android apps development but if you are interested in learning any hybrid framework, my personal preference is [react-native](https://reactnative.dev) and I would recommend you to checkout the [Frontend Developer Roadmap](/frontend). |
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## Pick a Language |
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For the languages, you can develop android apps either by using Kotlin or Java. |
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[](/roadmaps/android/pick-language.png) |
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Although, you can use both [Kotlin](https://en.wikipedia.org/wiki/Kotlin_(programming_language)) and [Java](https://en.wikipedia.org/wiki/Java_(programming_language)) to develop native android apps, [Google announced in 2019](https://android-developers.googleblog.com/2019/05/google-io-2019-empowering-developers-to-build-experiences-on-Android-Play.html) to make Kotlin the preferred way of developing android applications. If you were to start learning android development today, Kotlin should be your language of choice. |
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## The Fundamentals |
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Install the [Android Studio](https://developer.android.com/studio) and learn the basics of Kotlin to get started. |
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[](/roadmaps/android/the-fundamentals.png) |
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We have also listed down some free resources which you can use for the items listed in the image above. If you have some better ones, please do suggest. Also, you don't need to go through all of them, just go through them and pick what you like. |
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* [Learn the basics of Kotlin](https://blog.teamtreehouse.com/absolute-beginners-guide-kotlin) |
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* [Kotlin Docs](https://kotlinlang.org/docs/reference/basic-syntax.html) and [Official Kotlin Tutorials](https://kotlinlang.org/docs/tutorials/) |
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* [Data Structures and Algorithms](https://www.studytonight.com/data-structures/introduction-to-data-structures). Also [check this](https://www.tutorialspoint.com/data_structures_algorithms/index.htm). |
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* [Kotlin DataStructures](https://kotlinlang.org/docs/reference/collections-overview.html) |
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* [Algorithms and DataStructures in Kotlin](https://github.com/bmaslakov/kotlin-algorithm-club) |
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## Version Control Systems |
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Version control systems record your changes to the codebase and allow you to recall specific versions later. There are multiple Version Control Systems available but [Git](https://git-scm.com/) is the most common one these days. |
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[](/roadmaps/android/git-github.png) |
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Here are some of the resources to get you started. Feel free to google and find something else that you find easier. |
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* [Udacity — Version Control with Git](https://www.udacity.com/course/version-control-with-git--ud123) |
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* [GitHub Hello World](https://guides.github.com/activities/hello-world/) |
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## Building an Application |
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Here is the list of items that you are going to need when developing Android applications. Please note that, this is an exhaustive list, and you don't need to know it all from the get-go. Get an idea of the items listed, and just start building some apps and keep the items listed in the back of your mind and have a deep dive when using them. |
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[](/roadmaps/android/build-an-application.png) |
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To learn more about the items listed in the image above, here are the links to the relevant docs |
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* [Using Activities and Activity Life Cycles](https://developer.android.com/guide/components/activities/intro-activities) |
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* Building Flexible Interfaces using [Fragments](https://developer.android.com/guide/components/fragments) |
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* [Debugging using Android Studio Debugger](https://developer.android.com/studio/debug) |
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* [Handling App Configurations](https://developer.android.com/work/managed-configurations) |
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* [Using Intents and Intent Filters](https://developer.android.com/guide/components/intents-filters) |
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* [Understand Context](https://guides.codepath.com/android/Using-Context) |
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* [Learn about Multithreading](https://developer.android.com/training/multiple-threads) |
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* [Data Privacy](https://www.raywenderlich.com/6901838-data-privacy-for-android) |
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* [Securing Network Data](https://www.raywenderlich.com/5634-securing-network-data-tutorial-for-android) |
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* [Dependency Injection](https://developer.android.com/training/dependency-injection) |
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* [Content Providers](https://developer.android.com/guide/topics/providers/content-providers) |
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* [Glide](https://github.com/bumptech/glide), [Retrofit](https://square.github.io/retrofit/), [Crashlytics](https://firebase.google.com/docs/crashlytics/get-started), [GSON](https://github.com/google/gson) |
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* [Room](https://developer.android.com/topic/libraries/architecture/room), [Navigation](https://developer.android.com/guide/navigation/navigation-getting-started), [Work Manager](https://developer.android.com/topic/libraries/architecture/workmanager), [LiveData](https://developer.android.com/topic/libraries/architecture/livedata), [Data Binding](https://developer.android.com/topic/libraries/data-binding) |
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* [RxJava](https://github.com/ReactiveX/RxJava), [RxKotlin](https://github.com/ReactiveX/RxKotlin) |
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* [Memory Management Overview](https://developer.android.com/topic/performance/memory-overview) |
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* [Diving deeper into context-oriented programming in Kotlin](https://proandroiddev.com/diving-deeper-into-context-oriented-programming-in-kotlin-3ecb4ec38814) |
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I would highly recommend watching [this free course](https://www.udacity.com/course/developing-android-apps-with-kotlin--ud9012) from google on Developing Android Apps with Kotlin. Also, here are some of the resources to learn more about the topics listed above. |
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* [Developing Android Apps with Kotlin](https://www.udacity.com/course/developing-android-apps-with-kotlin--ud9012) |
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* [Android Developer Guides](https://developer.android.com/guide) |
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* [Raywenderlich](https://www.raywenderlich.com) |
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## Wrap Up |
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That wraps it up for the android developer roadmap. Again, remember to not be exhausted by the list; just learn the basics and start working on some project, rest of the learnings will come along the way. Good luck! |
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For any suggestions, improvements and feedback, feel free to [submit an issue](https://github.com/kamranahmedse/roadmap.sh) or reach out to me on twitter [@kamranahmedse](https://twitter.com/kamranahmedse). |
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<br /><br /><br /> |
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{ |
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"seo": { |
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"title": "Android Developer Roadmap: Learn to become an Android developer", |
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"description": "Community driven, articles, resources, guides, interview questions, quizzes for android development. Learn to become a modern Android developer by following the steps, skills, resources and guides listed in this roadmap.", |
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"keywords": [ |
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"guide to becoming an android developer", |
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"android developer roadmap", |
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"android roadmap", |
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"become android developer", |
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"android developer skills", |
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"android skills test", |
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"skills for android development", |
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"learn android development", |
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"what is android", |
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"android quiz", |
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"android interview questions" |
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] |
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}, |
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"title": "Android Developer", |
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"description": "Step by step guide to becoming an Android developer", |
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"featuredDescription": "Step by step guide to becoming a modern Android Developer in 2020", |
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"isTextHeavy": true, |
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"featured": true, |
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"path": "./landscape.md", |
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"resources": "./resources.md", |
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"versions": [ |
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"latest", |
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"2018", |
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"2017" |
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], |
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"author": { |
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"name": "Kamran Ahmed", |
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"url": "https://twitter.com/kamranahmedse" |
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} |
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} |
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> **We are still preparing the resources**. Please check back later or [subscribe to get notified](/signup). |
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While we prepare the list, follow this simple advice to learn anything |
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> Just **pick a project and start working on it**, you will learn all that you need along the way. |
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**→** [All Roadmaps](/roadmaps) • [Programming guides](/guides) • [Subscribe](/signup) |
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