Android Developer Roadmap

A complete roadmap to learn Android App Development. This roadmap will help you in becoming a complete Android Developer.

Note: All the resources to learn all of the concepts in the roadmap will be provided on:

• Outcome School Blog
• YouTube Channel by Amit Shekhar

About me

Hi, I am Amit Shekhar, Founder @ Outcome School • IIT 2010-14 • I have taught and mentored many developers, and their efforts landed them high-paying tech jobs, helped many tech companies in solving their unique problems, and created many open-source libraries being used by top companies. I am passionate about sharing knowledge through open-source, blogs, and videos.

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I teach at Outcome School

• AI and Machine Learning
• Android

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Live session on "Android Developer Interview Preparation for Product-based Companies"

I conducted a live session on "Android Developer Interview Preparation for Product-based Companies"

Interacted with over 500 Android Developers.

Guided, motivated, and inspired them to aim higher and achieve more.

Recording Link: https://drive.google.com/file/d/1VWW3litH6vYbNYzNer6XW5x0jzOF4O/view?usp=sharing

Document Link: https://docs.google.com/document/d/14UdD7Gd1j3no583ALx2t2Ggt3G_CECYhenLE-m-bkzA/edit?usp=sharing

Roadmap to learn Android App Development

• Programming

* Java * Kotlin

• Android Studio

* Android Studio IDE Overview * Project Structure * Java/Kotlin * XML * .gradle files

• Android Component

* Activity * Activity Lifecycle * Tasks & Back Stack * Service * Broadcast Receiver * Content Provider

• Intents

* Types of Intent * Implicit * Explicit * Intent Filter

• Static User Interface

* View * Button, ImageView, TextView, EditText etc * ViewGroup * LinearLayout, RelativeLayout, FrameLayout, ConstraintLayout

• Dynamic User Interface

* RecyclerView * ViewPager * Spinner

• CustomView

* Canvas * Bitmap * Paint

• UI Resources

* Drawables * String * Styles

• Fragments

* Fragment Lifecycle * Fragment Manager

• Support User Interface

* ProgressBar * Dialogs * Toast & Snackbar

• Storage

* Shared Preferences * DataStore * File Systems * Database * RoomDB

• Build

* Gradle * Debug / Release Configuration

• Threading

* Thread * Handler/Looper * ThreadPoolExecutor * RxJava * Coroutines/Flow * WorkManager

• Debugging

* Memory profiling * Logging * Systrace * Exceptions * Error Handling

• Memory Leak

* Detecting and Fixing Memory Leaks * Context

• 3rd Party Library

* Image Loading * Glide * Picasso * Dependency Injection * Dagger * Networking * Fast Android Networking Library * Retrofit * MultiThreading * RxJava * Coroutines * Kotlin Flow API

• Coroutines - You can learn these topics here: Master Kotlin Coroutines

* coroutines * suspend * launch, async-await, withContext * dispatchers * scope, context, job * lifecycleScope, viewModelScope, GlobalScope * suspendCoroutine, suspendCancellableCoroutine * coroutineScope, supervisorScope

• Kotlin Flow API - You can learn these topics here: Kotlin Flow API

* Flow Builder, Operator, Collector * flowOn, dispatchers * Operators such as filter, map, zip, flatMapConcat, retry, debounce, distinctUntilChanged, flatMapLatest * Terminal operators * Cold Flow vs Hot Flow: Cold Flow vs Hot Flow * StateFlow, SharedFlow, callbackFlow, channelFlow

• Data Format

* JSON * GSON * Flat Buffer * Protocol Buffer

• Networking

* GET/POST/DELETE/PUT/PATCH * OkHttp, Interceptor * Caching * Retrofit with Coroutines/Flow * Multipart request * Read, Write Timeout * OAuth 2.0 - Refresh and Access Token * HTTP Status Codes

• Android Jetpack

* Foundation Components * AppCompat * Android KTX * Multidex * Architecture Components * LiveData * ViewModel * DataBinding * Paging * Work Manager * Navigation * Behaviour Components * Download Manager * Media Playback * Notification * Permissions * Preference * Sharing * Slice * UI Component * Animation & Transition * Android Auto * Emoji * Palette * Android TV * Android Wear

• Compose

* State: remember, rememberSaveable, MutableState * Recomposition * State hoisting * Side-effects * Modifier * Theme * Layout, List * Gestures, Animation * CompositionLocal

• Common Design Patterns and Architecture

* Builder Pattern * Singleton * Dependency Injection * Factory * Observer * Repository * MVVM * MVP * MVI * Clean architecture

• Unit Testing

* Local Unit Testing * Instrumentation Testing

• Firebase

* FCM * Crashlytics * Analytics * Remote Config * App Indexing * Dynamic Link

• Security

* Encrypt / Decrypt * Proguard * R8

• App Release

* .keystore file * App Bundle * Playstore

• Keep Learning and Improving

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License

Copyright (C) 2024 Amit Shekhar
Licensed under the Apache License, Version 2.0 (the "License");    you may not use this file except in compliance with the License.    You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software    distributed under the License is distributed on an "AS IS" BASIS,    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.    See the License for the specific language governing permissions and    limitations under the License.

Contributing to Android Developer Roadmap

Just make a pull request. You are in!